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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.
Calculations are based on the last 8 years of historical weather data.
Helsinki experiences discomfort temperatures from November to April, with the coldest months being January and February
The temperature rises in May and remains within a comfortable range from June to September
July and August are the warmest months.
Maximum Temperatures
| Period | Helsinki |
|---|---|
| Jan | 30.0°F |
| Feb | 29.5°F |
| Mar | 35.8°F |
| Apr | 43.9°F |
| May | 55.0°F |
| Jun | 65.1°F |
| Jul | 69.3°F |
| Aug | 67.8°F |
| Sep | 59.7°F |
| Oct | 48.9°F |
| Nov | 41.0°F |
| Dec | 34.2°F |
| Average | 48.4°F |
Minimum Temperatures
| Period | Helsinki |
|---|---|
| Jan | 22.5°F |
| Feb | 21.4°F |
| Mar | 27.7°F |
| Apr | 34.0°F |
| May | 42.8°F |
| Jun | 52.9°F |
| Jul | 57.7°F |
| Aug | 57.4°F |
| Sep | 51.1°F |
| Oct | 42.6°F |
| Nov | 35.6°F |
| Dec | 27.9°F |
| Average | 39.5°F |
Helsinki experiences a significant range in sunshine hours throughout the year, with peak sunlight in June and minimal sunlight in December
Precipitation is relatively consistent, hovering around 0.06-0.11 inches each month, with slightly higher precipitation in July and August
The city has very low sun hours during the winter months (November to February).
Sunny Weather
| Period | Helsinki |
|---|---|
| Jan | 1.0 hours/day |
| Feb | 2.0 hours/day |
| Mar | 3.1 hours/day |
| Apr | 4.8 hours/day |
| May | 7.6 hours/day |
| Jun | 9.3 hours/day |
| Jul | 7.4 hours/day |
| Aug | 5.7 hours/day |
| Sep | 4.3 hours/day |
| Oct | 2.2 hours/day |
| Nov | 1.3 hours/day |
| Dec | 0.8 hours/day |
| Average | 4.1 hours/day |
Precipitation Levels
| Period | Helsinki |
|---|---|
| Jan | 0.1in |
| Feb | 0.1in |
| Mar | 0.1in |
| Apr | 0.1in |
| May | 0.1in |
| Jun | 0.1in |
| Jul | 0.1in |
| Aug | 0.1in |
| Sep | 0.1in |
| Oct | 0.1in |
| Nov | 0.1in |
| Dec | 0.1in |
| Average | 0.1in |
Wind Speed
| Period | Helsinki |
|---|---|
| Jan | 14.4mph |
| Feb | 13.3mph |
| Mar | 13.3mph |
| Apr | 12.4mph |
| May | 11.6mph |
| Jun | 12.1mph |
| Jul | 11.3mph |
| Aug | 11.9mph |
| Sep | 12.6mph |
| Oct | 14.4mph |
| Nov | 14.4mph |
| Dec | 14.2mph |
| Average | 13.0mph |
Humidity
| Period | Helsinki |
|---|---|
| Jan | 88.8% |
| Feb | 88.1% |
| Mar | 84.1% |
| Apr | 75.2% |
| May | 68.0% |
| Jun | 70.4% |
| Jul | 74.0% |
| Aug | 76.1% |
| Sep | 78.8% |
| Oct | 82.6% |
| Nov | 84.8% |
| Dec | 87.1% |
| Average | 79.8% |
In Helsinki, the earliest sunrise occurs in June at 03:57, while the latest sunrise is in December at 09:16.
Conversely, the latest sunset is also in June at 22:44, with the earliest sunset in December at 15:15.
This results in a noticeable variation in day length, where the shortest day is just 5 hours and 58 minutes in December, compared to the longest day at 18 hours and 46 minutes in June.
Overall, Helsinki experiences extreme differences in daylight hours throughout the year, highlighting the challenges and beauty of living in high-latitude regions.
Sunrise Time
| Period | Helsinki |
|---|---|
| Jan | 9:05 |
| Feb | 7:59 |
| Mar | 6:40 |
| Apr | 6:02 |
| May | 4:41 |
| Jun | 3:58 |
| Jul | 4:26 |
| Aug | 5:36 |
| Sep | 6:49 |
| Oct | 7:57 |
| Nov | 8:20 |
| Dec | 9:17 |
| Average | 6:42 |
Sunset Time
| Period | Helsinki |
|---|---|
| Jan | 15:54 |
| Feb | 17:10 |
| Mar | 18:30 |
| Apr | 20:40 |
| May | 21:55 |
| Jun | 22:44 |
| Jul | 22:25 |
| Aug | 21:11 |
| Sep | 19:40 |
| Oct | 18:02 |
| Nov | 15:50 |
| Dec | 15:16 |
| Average | 19:06 |
Useful Day Length
| Period | Helsinki |
|---|---|
| Jan | 6:49 hours |
| Feb | 9:11 hours |
| Mar | 11:30 hours |
| Apr | 13:40 hours |
| May | 14:55 hours |
| Jun | 15:44 hours |
| Jul | 15:25 hours |
| Aug | 14:11 hours |
| Sep | 12:40 hours |
| Oct | 10:05 hours |
| Nov | 7:31 hours |
| Dec | 5:59 hours |
| Average | 11:30 hours |
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