Finland climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Helsinki | 32° | 30° | 36° | 46° | 57° | 66° | 70° | 68° | 61° | 50° | 41° | 34° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Helsinki | 16 | 11 | 11 | 10 | 9 | 10 | 12 | 13 | 12 | 14 | 13 | 15 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Helsinki | 33° | 32° | 34° | 40° | 50° | 61° | 66° | 68° | 62° | 52° | 44° | 38° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Helsinki climate in May
8-year averages · when to visitBest months: June–August · May: Acceptable
| April | May | June | |
|---|---|---|---|
| Average temperature | ▲ 39°F | 50°F | ▲ 61°F |
| Typical high | ▲ 46°F | 57°F | ▲ 66°F |
| Typical low | ▲ 32°F | 43°F | ▲ 54°F |
| Water temperature | ▲ 40°F | 50°F | ▲ 61°F |
| Precipitation | ▲ 1.8 in | 2.0 in | ▲ 2.1 in |
| Wet days | ▼ 10 d | 9 d | ▲ 10 d |
| Humidity | ▼ 78% | 68% | ▲ 73% |
| Sunshine per day | ▲ 10.0 h | 12.8 h | ▲ 14.8 h |
| Cloud cover | ▼ 32% | 26% | ▼ 21% |
| Midday UV | ▲ 5 | 7 | ▲ 8 |
| Daylight | 14:38 | 17:15 | 18:47 |
| Our take | Acceptable | Acceptable | Good |
May temperatures day by day daily mean + smoothed trend · °F
May precipitation day by day in
May UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 8:25 PM
Finland · 9 weather points · Climate reference: Helsinki (60.17°N, 24.94°E) · Europe/Helsinki