|
Typical Helsinki May Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 14.5 °C | |
| Average daily low | 6.4 °C | |
| Average monthly precipitation | 3.8 cm | |
| Daily chance of precipitation | 35.8% | |
|
Helsinki May Weather Records 1951–2024 |
||
|---|---|---|
| Highest temperature | 27.6 °C | May 29, 1963 |
| Lowest temperature | -3.1 °C | May 12, 1999 |
| Highest daily low | 17.4 °C | May 31, 1961 |
| Lowest daily high | 1.3 °C | May 7, 1953 |
| Hottest average high temperature | 19.0 °C | 2018 |
| Coldest average high temperature | 9.8 °C | 1955 |
| Most daily precipitation | 4.0 cm | May 26, 2021 |
| Most monthly precipitation | 8.5 cm | 1958 |
| Day | Average (°C) | Record (°C) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| May 1 | 11.7 | 3.9 | 19.3 | -2.7 |
| May 2 | 11.9 | 4.0 | 21.0 | -2.7 |
| May 3 | 12.1 | 4.2 | 25.0 | -3.1 |
| May 4 | 12.3 | 4.3 | 20.2 | -0.9 |
| May 5 | 12.5 | 4.5 | 24.4 | -1.5 |
| May 6 | 12.7 | 4.8 | 22.6 | -1.5 |
| May 7 | 12.9 | 4.9 | 24.7 | -1.9 |
| May 8 | 13.2 | 5.1 | 21.8 | -1.4 |
| May 9 | 13.3 | 5.3 | 24.1 | -0.8 |
| May 10 | 13.5 | 5.5 | 23.5 | -1.3 |
| May 11 | 13.7 | 5.7 | 22.0 | -1.6 |
| May 12 | 13.8 | 5.8 | 23.2 | -3.1 |
| May 13 | 14.0 | 5.9 | 24.6 | -0.7 |
| May 14 | 14.1 | 6.1 | 25.0 | 0.2 |
| May 15 | 14.4 | 6.3 | 27.5 | 0.4 |
| May 16 | 14.5 | 6.4 | 24.7 | -0.6 |
| May 17 | 14.7 | 6.6 | 23.5 | -0.7 |
| May 18 | 15.0 | 6.8 | 24.1 | 0.1 |
| May 19 | 15.1 | 7.0 | 23.9 | 1.5 |
| May 20 | 15.3 | 7.2 | 24.7 | 0.4 |
| May 21 | 15.5 | 7.3 | 24.5 | 1.0 |
| May 22 | 15.6 | 7.5 | 22.9 | -0.4 |
| May 23 | 15.8 | 7.6 | 25.1 | -0.5 |
| May 24 | 15.9 | 7.8 | 26.3 | 1.4 |
| May 25 | 16.1 | 7.9 | 25.4 | 2.0 |
| May 26 | 16.3 | 8.1 | 23.4 | 1.9 |
| May 27 | 16.4 | 8.3 | 24.0 | 2.4 |
| May 28 | 16.6 | 8.5 | 23.3 | 0.4 |
| May 29 | 16.8 | 8.7 | 27.6 | 1.4 |
| May 30 | 16.9 | 8.9 | 25.4 | -0.4 |
| May 31 | 17.1 | 9.1 | 26.3 | 1.5 |
| Years | Station | Coordinates |
|---|---|---|
| 1951–2024 | Helsinki Kaisaniemi Aws | location |