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 August
8-year averages · when to visitBest months: June–August · August: Good
| July | August | September | |
|---|---|---|---|
| Average temperature | ▼ 64°F | 63°F | ▼ 55°F |
| Typical high | ▼ 70°F | 68°F | ▼ 61°F |
| Typical low | ▼ 59°F | 57°F | ▼ 50°F |
| Water temperature | ▲ 66°F | 68°F | ▼ 62°F |
| Precipitation | ▲ 3.0 in | 3.4 in | ▼ 3.1 in |
| Wet days | ▲ 12 d | 13 d | ▼ 12 d |
| Humidity | ▼ 79% | 78% | ▲ 83% |
| Sunshine per day | ▼ 13.7 h | 11.3 h | ▼ 8.6 h |
| Cloud cover | ▲ 24% | 27% | ▲ 33% |
| Midday UV | ▼ 8 | 6 | ▼ 4 |
| Daylight | 18:00 | 15:36 | 12:52 |
| Our take | Good | Good | Acceptable |
August temperatures day by day daily mean + smoothed trend · °F
August precipitation day by day in
August 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: 1:55 PM
Finland · 9 weather points · Climate reference: Helsinki (60.17°N, 24.94°E) · Europe/Helsinki