Weather Score #

Best time to visit:Bangkok Chiang Mai Nakhon Ratchasima Khon Kaen Hat Yai Chon Buri Phatthaya Si Racha Nonthaburi

Bangkok

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Best months

March 89%January 84%February 84%

Months to avoid

October 51%July 52%September 52%

Chiang Mai

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Best months

March 95%February 92%April 85%

Months to avoid

August 43%July 47%September 48%

Chon Buri

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Best months

January 81%February 77%December 75%

Months to avoid

September 48%July 49%October 50%

Hat Yai

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Best months

March 74%February 66%April 64%

Months to avoid

November 40%December 41%October 47%

Khon Kaen

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Best months

February 86%March 84%January 80%

Months to avoid

September 48%October 49%July 51%

Nakhon Ratchasima

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Best months

February 87%March 82%January 81%

Months to avoid

October 44%September 46%July 50%

Nonthaburi

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Best months

March 88%February 85%January 84%

Months to avoid

September 51%October 51%July 52%

Phatthaya

Details

Best months

January 72%April 72%March 71%

Months to avoid

September 46%July 48%October 48%

Si Racha

Details

Best months

January 72%March 69%December 69%

Months to avoid

September 45%July 46%August 47%

Heat Seeker Score

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures #

Temperatures in all cities are generally within a comfortable range, with minimum temperatures staying above 61.8F and maximum temperatures going up to 99.6F
Cities like Chiang Mai, Nakhon Ratchasima and Khon Kaen experience the widest temperature variations throughout the year
The hottest temperatures are observed in March and April across most locations, occasionally reaching discomfort levels above 86.0F
Hat Yai has lowest max temperature in November and December, but also has lowest min temperature in February.

Maximum Temperatures

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	90.9°F	86.2°F	87.8°F	87.4°F	84.6°F	89.6°F	86.2°F	85.1°F	90.9°F
Feb	92.8°F	92.5°F	93.0°F	92.5°F	88.0°F	90.7°F	86.9°F	85.8°F	93.0°F
Mar	95.2°F	99.3°F	97.0°F	97.0°F	92.1°F	92.3°F	88.5°F	87.4°F	95.4°F
Apr	96.3°F	100.4°F	97.7°F	98.6°F	92.1°F	93.2°F	90.1°F	88.9°F	96.6°F
May	94.6°F	95.5°F	93.7°F	94.6°F	90.1°F	91.9°F	89.4°F	88.5°F	94.6°F
Jun	92.1°F	89.2°F	91.4°F	92.1°F	88.9°F	90.0°F	88.0°F	86.9°F	92.1°F
Jul	89.6°F	87.3°F	88.3°F	88.9°F	88.5°F	87.8°F	86.7°F	85.5°F	89.4°F
Aug	90.3°F	85.5°F	88.3°F	88.7°F	88.7°F	88.0°F	86.5°F	85.3°F	90.3°F
Sep	89.2°F	86.7°F	86.4°F	87.4°F	87.1°F	87.3°F	85.6°F	85.1°F	89.1°F
Oct	88.3°F	86.2°F	84.6°F	86.0°F	86.5°F	87.1°F	85.6°F	85.1°F	88.2°F
Nov	88.3°F	85.5°F	83.5°F	85.6°F	83.7°F	87.1°F	85.5°F	84.9°F	88.3°F
Dec	89.2°F	84.0°F	84.2°F	84.9°F	83.1°F	88.3°F	85.6°F	84.9°F	89.2°F
Average	91.4°F	89.9°F	89.4°F	87.8°F	90.3°F	89.7°F	91.4°F	87.1°F	86.1°F

Minimum Temperatures

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	76.1°F	61.7°F	66.6°F	65.3°F	72.0°F	74.1°F	75.7°F	76.5°F	75.7°F
Feb	78.6°F	65.1°F	72.0°F	70.3°F	71.8°F	77.2°F	78.1°F	78.6°F	78.3°F
Mar	81.5°F	71.8°F	77.0°F	76.6°F	73.0°F	80.1°F	80.2°F	81.1°F	81.3°F
Apr	83.1°F	76.1°F	79.0°F	80.1°F	75.0°F	81.5°F	82.0°F	82.8°F	82.9°F
May	83.1°F	76.1°F	78.8°F	80.1°F	76.1°F	81.9°F	82.2°F	82.9°F	82.9°F
Jun	81.5°F	74.5°F	77.0°F	78.6°F	75.0°F	81.1°F	81.3°F	82.0°F	81.5°F
Jul	80.1°F	73.6°F	76.1°F	77.2°F	74.7°F	80.2°F	80.6°F	81.1°F	79.9°F
Aug	79.9°F	72.7°F	75.6°F	76.5°F	74.7°F	79.9°F	80.4°F	81.1°F	79.9°F
Sep	79.0°F	72.3°F	74.8°F	75.6°F	74.5°F	78.8°F	79.9°F	80.4°F	78.8°F
Oct	77.9°F	70.5°F	72.3°F	72.7°F	74.5°F	77.0°F	78.4°F	79.2°F	77.7°F
Nov	76.3°F	67.3°F	69.3°F	70.0°F	73.8°F	75.2°F	77.0°F	77.9°F	76.1°F
Dec	75.2°F	63.3°F	66.4°F	65.8°F	72.9°F	73.6°F	75.2°F	76.1°F	75.0°F
Average	79.4°F	70.4°F	78.4°F	74.0°F	74.1°F	73.7°F	79.2°F	79.3°F	80.0°F

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions #

Chiang Mai consistently records the highest total sun hours during the dry season, particularly in January and February, while experiencing a significant drop in sun hours and an increase in precipitation during the monsoon months of June to September.
In contrast, cities like Bangkok, Nakhon Ratchasima, and Khon Kaen show more stable sun hour levels with lower extremes compared to Chiang Mai, but they also witness increased rainfall during the same monsoon period.
Hat Yai, on the other hand, has the lowest sun hours overall, particularly during November, indicating a harsher rainy season compared to other cities.
Interestingly, despite varying rainfall patterns, cities closer to coastal areas like Chon Buri and Pattaya tend to have more consistent sunshine with milder precipitation rates, contributing to relatively enjoyable weather year-round compared to the inland cities.

Sunny Weather

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	8.7 hours/day	9.7 hours/day	9.0 hours/day	8.9 hours/day	3.2 hours/day	8.6 hours/day	8.4 hours/day	8.7 hours/day	8.7 hours/day
Feb	8.4 hours/day	10.6 hours/day	8.2 hours/day	8.7 hours/day	5.8 hours/day	7.6 hours/day	7.5 hours/day	7.7 hours/day	8.3 hours/day
Mar	8.9 hours/day	10.6 hours/day	6.5 hours/day	7.0 hours/day	6.9 hours/day	6.7 hours/day	7.5 hours/day	7.7 hours/day	8.8 hours/day
Apr	8.1 hours/day	8.9 hours/day	5.7 hours/day	6.4 hours/day	4.4 hours/day	6.7 hours/day	7.5 hours/day	7.3 hours/day	8.0 hours/day
May	4.6 hours/day	5.0 hours/day	3.2 hours/day	3.2 hours/day	2.0 hours/day	4.0 hours/day	4.7 hours/day	4.6 hours/day	4.4 hours/day
Jun	2.2 hours/day	1.4 hours/day	2.6 hours/day	2.3 hours/day	2.1 hours/day	2.8 hours/day	3.5 hours/day	3.4 hours/day	2.2 hours/day
Jul	1.2 hours/day	0.8 hours/day	1.2 hours/day	1.2 hours/day	2.3 hours/day	1.3 hours/day	1.8 hours/day	1.8 hours/day	1.2 hours/day
Aug	1.4 hours/day	0.4 hours/day	1.5 hours/day	1.2 hours/day	2.2 hours/day	1.9 hours/day	2.5 hours/day	2.3 hours/day	1.3 hours/day
Sep	1.2 hours/day	1.6 hours/day	0.9 hours/day	1.2 hours/day	1.1 hours/day	1.3 hours/day	1.8 hours/day	1.8 hours/day	1.2 hours/day
Oct	1.8 hours/day	2.5 hours/day	1.7 hours/day	2.6 hours/day	1.2 hours/day	2.3 hours/day	2.6 hours/day	2.8 hours/day	1.9 hours/day
Nov	3.7 hours/day	4.6 hours/day	3.7 hours/day	4.8 hours/day	0.5 hours/day	4.2 hours/day	4.3 hours/day	4.7 hours/day	3.8 hours/day
Dec	6.1 hours/day	7.1 hours/day	6.6 hours/day	7.4 hours/day	1.4 hours/day	6.9 hours/day	7.1 hours/day	7.3 hours/day	6.2 hours/day
Average	4.7 hours/day	5.3 hours/day	4.5 hours/day	2.8 hours/day	4.6 hours/day	4.2 hours/day	4.7 hours/day	4.9 hours/day	5.0 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	0.0in	0.0in	0.0in	0.0in	0.1in	0.0in	0.0in	0.0in	0.0in
Feb	0.0in	0.0in	0.0in	0.0in	0.1in	0.0in	0.0in	0.0in	0.0in
Mar	0.0in	0.0in	0.0in	0.0in	0.1in	0.1in	0.0in	0.1in	0.0in
Apr	0.1in	0.1in	0.1in	0.1in	0.2in	0.1in	0.1in	0.1in	0.1in
May	0.2in	0.2in	0.2in	0.2in	0.3in	0.2in	0.2in	0.2in	0.2in
Jun	0.1in	0.2in	0.2in	0.2in	0.2in	0.2in	0.2in	0.2in	0.1in
Jul	0.2in	0.3in	0.3in	0.3in	0.1in	0.2in	0.2in	0.2in	0.2in
Aug	0.2in	0.4in	0.2in	0.3in	0.2in	0.2in	0.2in	0.2in	0.2in
Sep	0.4in	0.4in	0.4in	0.4in	0.3in	0.4in	0.3in	0.4in	0.4in
Oct	0.4in	0.3in	0.3in	0.2in	0.4in	0.3in	0.4in	0.4in	0.4in
Nov	0.1in	0.1in	0.1in	0.1in	0.6in	0.1in	0.1in	0.1in	0.1in
Dec	0.0in	0.0in	0.0in	0.0in	0.4in	0.0in	0.0in	0.0in	0.0in
Average	0.1in	0.2in	0.2in	0.2in	0.2in	0.2in	0.2in	0.2in	0.2in

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	9.0mph	4.3mph	9.6mph	9.5mph	10.6mph	10.5mph	11.9mph	12.3mph	8.9mph
Feb	11.1mph	5.2mph	9.3mph	10.2mph	11.5mph	11.6mph	12.5mph	13.7mph	11.0mph
Mar	13.1mph	6.1mph	9.9mph	10.6mph	10.1mph	12.3mph	13.4mph	15.3mph	12.9mph
Apr	13.0mph	6.3mph	10.1mph	10.9mph	7.1mph	11.8mph	13.2mph	15.0mph	12.9mph
May	11.4mph	5.6mph	9.3mph	9.4mph	6.4mph	10.4mph	12.1mph	13.6mph	11.3mph
Jun	11.4mph	5.0mph	11.6mph	10.8mph	6.9mph	11.6mph	14.1mph	14.5mph	11.4mph
Jul	11.1mph	4.4mph	12.1mph	10.6mph	7.7mph	11.6mph	14.4mph	14.4mph	11.1mph
Aug	10.8mph	3.9mph	11.0mph	10.0mph	8.3mph	11.0mph	13.8mph	13.9mph	10.7mph
Sep	9.2mph	3.7mph	8.4mph	7.8mph	7.6mph	9.3mph	12.2mph	12.5mph	9.1mph
Oct	7.6mph	3.5mph	8.7mph	8.8mph	6.4mph	8.1mph	10.0mph	10.4mph	7.5mph
Nov	8.1mph	3.4mph	10.3mph	9.6mph	7.3mph	9.3mph	11.6mph	11.9mph	7.9mph
Dec	8.4mph	3.7mph	11.1mph	10.1mph	9.6mph	10.5mph	12.9mph	12.6mph	8.3mph
Average	10.4mph	4.6mph	10.7mph	8.3mph	9.9mph	10.1mph	10.3mph	12.7mph	13.3mph

Humidity

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	48.3%	53.3%	49.9%	49.8%	83.2%	55.8%	65.2%	65.6%	48.4%
Feb	55.7%	39.6%	45.8%	45.0%	78.4%	62.0%	70.7%	71.3%	55.5%
Mar	58.0%	34.1%	47.1%	43.3%	76.0%	64.0%	72.0%	72.8%	57.7%
Apr	56.6%	42.6%	50.7%	45.0%	77.7%	62.9%	70.6%	71.0%	56.1%
May	60.0%	62.3%	62.5%	58.3%	80.8%	67.0%	73.3%	72.1%	60.0%
Jun	61.6%	76.2%	69.0%	66.8%	80.9%	68.7%	74.9%	72.5%	61.8%
Jul	67.5%	81.3%	74.9%	73.8%	81.0%	71.9%	76.4%	74.3%	67.7%
Aug	66.7%	84.8%	76.7%	76.2%	79.8%	71.4%	76.6%	74.4%	67.0%
Sep	71.5%	83.5%	81.8%	79.6%	82.0%	74.6%	77.3%	75.3%	71.9%
Oct	72.6%	82.1%	82.1%	76.5%	83.5%	75.0%	77.4%	75.1%	73.1%
Nov	65.8%	77.1%	75.5%	66.6%	87.9%	70.0%	73.8%	71.6%	66.3%
Dec	52.9%	69.6%	62.3%	57.8%	86.6%	58.6%	66.3%	65.3%	53.2%
Average	61.4%	65.5%	66.8%	81.5%	61.6%	64.9%	61.6%	72.9%	71.8%

Daylight Hours #

In examining the sunrise and sunset times along with day lengths of the cities mentioned, Chiang Mai stands out with the longest day duration at 13 hours and 14 minutes in June, significantly longer than other cities like Hat Yai, which has a maximum of 12 hours and 31 minutes. Additionally, Khon Kaen records the earliest sunrise at 5:36 AM in June, while Bangkok, Nakhon Ratchasima, and others consistently show latest sunrise times around 6:40 AM in January.
Among the cities, Nakhon Ratchasima and Si Racha experience the latest sunset times, both reaching 18:46 in July, which is indicative of the minimal variability in sunset times compared to sunrise. Overall, all cities exhibit similar seasonal patterns in sunrise and sunset timings, with early sunrises and longer days peaking in June and progressively shorter days towards the end of the year.

Sunrise Time

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	6:44	6:59	6:40	6:40	6:34	6:42	6:42	6:42	6:45
Feb	6:41	6:52	6:35	6:34	6:35	6:38	6:38	6:38	6:41
Mar	6:25	6:31	6:19	6:16	6:24	6:23	6:23	6:23	6:25
Apr	6:05	6:07	5:58	5:54	6:10	6:04	6:04	6:04	6:05
May	5:52	5:50	5:44	5:39	6:02	5:51	5:52	5:52	5:52
Jun	5:51	5:47	5:43	5:37	6:03	5:50	5:51	5:50	5:51
Jul	5:58	5:56	5:50	5:44	6:09	5:57	5:58	5:58	5:58
Aug	6:05	6:05	5:57	5:53	6:12	6:03	6:04	6:04	6:05
Sep	6:07	6:11	6:00	5:57	6:08	6:05	6:05	6:05	6:07
Oct	6:09	6:19	6:04	6:02	6:05	6:07	6:07	6:07	6:09
Nov	6:18	6:31	6:13	6:13	6:09	6:16	6:15	6:16	6:18
Dec	6:34	6:49	6:29	6:29	6:22	6:31	6:31	6:31	6:34
Average	6:12	6:18	6:12	6:12	6:06	6:06	6:12	6:12	6:12

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	18:10	18:08	18:01	17:56	18:20	18:08	18:10	18:09	18:10
Feb	18:23	18:24	18:15	18:11	18:29	18:21	18:22	18:22	18:22
Mar	18:28	18:34	18:22	18:19	18:29	18:26	18:26	18:26	18:28
Apr	18:31	18:41	18:26	18:24	18:26	18:29	18:29	18:29	18:31
May	18:37	18:51	18:33	18:32	18:28	18:35	18:35	18:35	18:38
Jun	18:46	19:02	18:42	18:42	18:34	18:44	18:43	18:43	18:47
Jul	18:49	19:04	18:44	18:44	18:38	18:46	18:46	18:46	18:49
Aug	18:39	18:50	18:34	18:32	18:32	18:37	18:37	18:37	18:39
Sep	18:19	18:26	18:13	18:10	18:17	18:17	18:17	18:17	18:19
Oct	17:59	18:01	17:52	17:47	18:03	17:57	17:58	17:57	17:59
Nov	17:48	17:47	17:40	17:35	17:58	17:47	17:48	17:47	17:48
Dec	17:54	17:50	17:45	17:40	18:05	17:53	17:54	17:53	17:53
Average	18:24	18:30	18:18	18:24	18:12	18:18	18:24	18:18	18:18

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Bangkok	Chiang Mai	Nakhon Ratchasima	Khon Kaen	Hat Yai	Chon Buri	Phatthaya	Si Racha	Nonthaburi
Jan	11:10 hours	11:08 hours	11:01 hours	10:56 hours	11:20 hours	11:08 hours	11:10 hours	11:09 hours	11:10 hours
Feb	11:23 hours	11:24 hours	11:15 hours	11:11 hours	11:29 hours	11:21 hours	11:22 hours	11:22 hours	11:22 hours
Mar	11:28 hours	11:34 hours	11:22 hours	11:19 hours	11:29 hours	11:26 hours	11:26 hours	11:26 hours	11:28 hours
Apr	11:31 hours	11:41 hours	11:26 hours	11:24 hours	11:26 hours	11:29 hours	11:29 hours	11:29 hours	11:31 hours
May	11:37 hours	11:51 hours	11:33 hours	11:32 hours	11:28 hours	11:35 hours	11:35 hours	11:35 hours	11:38 hours
Jun	11:46 hours	12:02 hours	11:42 hours	11:42 hours	11:34 hours	11:44 hours	11:43 hours	11:43 hours	11:47 hours
Jul	11:49 hours	12:04 hours	11:44 hours	11:44 hours	11:38 hours	11:46 hours	11:46 hours	11:46 hours	11:49 hours
Aug	11:39 hours	11:50 hours	11:34 hours	11:32 hours	11:32 hours	11:37 hours	11:37 hours	11:37 hours	11:39 hours
Sep	11:19 hours	11:26 hours	11:13 hours	11:10 hours	11:17 hours	11:17 hours	11:17 hours	11:17 hours	11:19 hours
Oct	10:59 hours	11:01 hours	10:52 hours	10:47 hours	11:03 hours	10:57 hours	10:58 hours	10:57 hours	10:59 hours
Nov	10:48 hours	10:47 hours	10:40 hours	10:35 hours	10:58 hours	10:47 hours	10:48 hours	10:47 hours	10:48 hours
Dec	10:54 hours	10:50 hours	10:45 hours	10:40 hours	11:05 hours	10:53 hours	10:54 hours	10:53 hours	10:53 hours
Average	11:24 hours	11:30 hours	11:18 hours	11:24 hours	11:12 hours	11:18 hours	11:24 hours	11:18 hours	11:18 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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