FI
Helsinki climate and weather
Current conditions
11.5° / 10.9°
Moderate drizzle
- Feels like
- 6.1° / 5.0°
- Humidity
- —
- Wind
- 39.6 km/h (gusts 62.3)
- UV index
- 1.3
- Sunrise / sunset
- 07:30 / 16:37
- Daylight
- 9.1 hrs
7-day forecast
| Date | Weather | High | Low | Feels like | Precip | Rain | Wind | UV |
|---|---|---|---|---|---|---|---|---|
| Tue 27 Oct | Moderate drizzle | 11.5° | 10.9° | 6.1° / 5.0° | 1.6 mm | 63% | 39.6 km/h | 1.3 |
| Wed 28 Oct | Overcast | 11.0° | 9.9° | 5.6° / 4.6° | 0.0 mm | 55% | 37.1 km/h | 0.6 |
| Thu 29 Oct | Moderate drizzle | 11.5° | 9.4° | 9.6° / 5.9° | 3.3 mm | 71% | 27.4 km/h | 1.3 |
| Fri 30 Oct | Light drizzle | 9.3° | 5.7° | 7.0° / 2.7° | 0.9 mm | 30% | 14.7 km/h | 1.0 |
| Sat 31 Oct | Overcast | 8.2° | 5.0° | 4.2° / 1.6° | 0.0 mm | 2% | 14.9 km/h | 1.1 |
| Sun 1 Nov | Overcast | 8.7° | 5.2° | 5.9° / 2.9° | 0.0 mm | 18% | 12.7 km/h | 0.2 |
Air quality
29
Good
US Air Quality Index
European AQI: 23
- PM2.5
- 3.5 µg/m³
- PM10
- 5.0 µg/m³
- Ozone (O₃)
- 65.0 µg/m³
- NOâ‚‚
- 3.1 µg/m³
- SOâ‚‚
- 0.5 µg/m³
- CO
- 164.0 µg/m³
- UV index
- 0.1
- Dust
- 0.0 µg/m³
Pollen
- Grass
- 0.0
- Birch
- 0.0
- Ragweed
- 0.0
Climate through the year
Now: October
Average high and low, °C Rainfall, mm
Temperature by month
Precipitation and rain days
Sunshine, UV and humidity
Best months to visit
| Month | Rating | Avg high | Avg low | Rain days | Sun (hrs) | Humidity |
|---|---|---|---|---|---|---|
| July | Good · 74 | 21.7°C | 15.0°C | 12.0 | 434.0 | 74.9% |
| August | Good · 64 | 19.9°C | 13.9°C | 13.9 | 347.2 | 79.7% |
| June | Good · 61 | 19.4°C | 12.0°C | 10.4 | 447.0 | 71.1% |
| May | Fair · 39 | 13.4°C | 5.7°C | 8.3 | 390.6 | 69.1% |
| September | Fair · 36 | 15.6°C | 10.3°C | 9.4 | 261.0 | 80.7% |
| April | Fair · 36 | 7.2°C | 0.3°C | 9.4 | 294.0 | 75.5% |
| March | Poor · 29 | 2.4°C | -3.4°C | 9.1 | 210.8 | 83.6% |
| October | Poor · 23 | 9.8°C | 5.5°C | 12.8 | 155.0 | 83.3% |
| February | Poor · 15 | -1.2°C | -6.0°C | 10.6 | 86.8 | 86.0% |
| November | Poor · 15 | 4.5°C | 0.8°C | 12.8 | 57.0 | 87.4% |
| December | Poor · 15 | 0.3°C | -4.0°C | 13.5 | 37.2 | 86.6% |
| January | Poor · 6 | -1.0°C | -5.9°C | 15.3 | 43.4 | 87.7% |
Monthly climate data
| Month | High | Low | Mean | Feels high | Feels low | Precip | Rain days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | -1.0° | -5.9° | -3.2° | -6.1° | -11.4° | 78.3 mm | 15.3 | 43.8 cm | 43.4 hrs | 6.8 hrs | — | 87.7% | 25.7 km/h | 85.5% |
| Feb | -1.2° | -6.0° | -3.4° | -5.9° | -11.2° | 59.7 mm | 10.6 | 27.9 cm | 86.8 hrs | 9.1 hrs | — | 86.0% | 22.9 km/h | 81.7% |
| Mar | 2.4° | -3.4° | -0.4° | -2.2° | -8.2° | 40.6 mm | 9.1 | 16.0 cm | 210.8 hrs | 11.8 hrs | — | 83.6% | 21.8 km/h | 65.7% |
| Apr | 7.2° | 0.3° | 3.7° | 3.2° | -4.2° | 51.2 mm | 9.4 | 10.7 cm | 294.0 hrs | 14.6 hrs | — | 75.5% | 21.7 km/h | 59.1% |
| May | 13.4° | 5.7° | 9.8° | 10.5° | 2.3° | 48.5 mm | 8.3 | 0.5 cm | 390.6 hrs | 17.2 hrs | — | 69.1% | 20.8 km/h | 56.0% |
| Jun | 19.4° | 12.0° | 16.1° | 18.1° | 10.1° | 52.7 mm | 10.4 | 0.0 cm | 447.0 hrs | 18.8 hrs | — | 71.1% | 20.6 km/h | 47.8% |
| Jul | 21.7° | 15.0° | 18.6° | 21.2° | 14.1° | 69.7 mm | 12.0 | 0.0 cm | 434.0 hrs | 18.0 hrs | — | 74.9% | 20.3 km/h | 53.1% |
| Aug | 19.9° | 13.9° | 17.0° | 19.0° | 12.6° | 97.9 mm | 13.9 | 0.0 cm | 347.2 hrs | 15.6 hrs | — | 79.7% | 21.2 km/h | 60.6% |
| Sep | 15.6° | 10.3° | 13.0° | 13.6° | 8.0° | 72.7 mm | 9.4 | 0.0 cm | 261.0 hrs | 12.9 hrs | — | 80.7% | 20.9 km/h | 65.4% |
| Oct | 9.8° | 5.5° | 7.7° | 6.2° | 1.4° | 80.2 mm | 12.8 | 0.4 cm | 155.0 hrs | 10.1 hrs | — | 83.3% | 25.3 km/h | 72.6% |
| Nov | 4.5° | 0.8° | 2.8° | 0.4° | -3.6° | 71.9 mm | 12.8 | 13.2 cm | 57.0 hrs | 7.5 hrs | — | 87.4% | 24.2 km/h | 85.0% |
| Dec | 0.3° | -4.0° | -1.7° | -4.4° | -9.2° | 67.1 mm | 13.5 | 27.7 cm | 37.2 hrs | 6.0 hrs | — | 86.6% | 23.5 km/h | 84.2% |