Weather Score #

See best time to visit

Colombo

Details

Best months

February 66%March 60%January 59%

Months to avoid

August 39%June 40%September 40%

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 #

Colombo experiences its warmest temperatures in April, with a maximum of 88.9°F, while July and August are the coolest months, reaching only up to 84.1°F
Notably, the minimum temperatures remain fairly consistent throughout the year, with the highest minimum in May at 79.2°F
Overall, Colombo's climate is characterized by mild variations in temperature across the months, without extreme fluctuations.

Maximum Temperatures

Minimum Temperatures

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

Conditions #

In Colombo, there is a notable decline in total sun hours from April through October, with May, June, and July experiencing the least amount of sunshine, averaging under 1 hour per day. During this period, precipitation levels surge, particularly in May, indicating a significant rainy season that likely impacts outdoor activities and agriculture.
Conversely, January to March and November to December show higher levels of sunshine paired with lower precipitation, making these months generally more favorable for outdoor activities and tourism. This clear dichotomy in weather patterns highlights the importance of seasonality in Colombo's climate.

Sunny Weather

Period	Colombo
Jan	5.5 hours/day
Feb	6.5 hours/day
Mar	5.5 hours/day
Apr	2.4 hours/day
May	0.6 hours/day
Jun	0.2 hours/day
Jul	0.7 hours/day
Aug	0.4 hours/day
Sep	0.5 hours/day
Oct	0.5 hours/day
Nov	1.9 hours/day
Dec	4.0 hours/day
Average	2.4 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

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

Wind Speed

Humidity

Daylight Hours #

In Colombo, the earliest sunrise occurs in May at 05:54, while the latest sunrise takes place in February at 06:27, showcasing a modest fluctuation of about 33 minutes throughout the year.
Sunset times demonstrate a wider shift, with the earliest sunset at 17:50 in November and the latest at 18:30 in July, resulting in a variation of approximately 40 minutes.
Day length ranges from a shortest duration of 11 hours and 44 minutes in December to a longest duration of 12 hours and 30 minutes in June, indicating a difference of 46 minutes over the course of the year, largely influenced by seasonal changes.
Overall, Colombo experiences relatively consistent day lengths and sunrise times, with more pronounced changes in sunset times across different months.

Sunrise Time

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

Sunset Time

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

Useful Day Length

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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