Climate & Weather in Helsinki, 🇫🇮 Finland - Monthly Averages, Forecast & Air Quality
🇫🇮 Helsinki,
Finland
#508
Nomad Score
6.8
Coords
60.1666204, 24.9435408
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CURRENT CONDITIONS
Temperature
16.4°C
/
13.6°C
Feels Like
14.2°C / 11.0°C
Weather
🌧️ Slight rain
Humidity
%
Wind
28.4 km/h
(gusts 48.6)
UV Index
3.3
Sunrise / Sunset
06:52
/
19:35
Daylight
12.7 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Thu 17 Sep | 🌧️ Slight rain | 16.4° | 13.6° | 100% |
| Fri 18 Sep | 🌧️ Moderate rain | 15.3° | 13.5° | 100% |
| Sat 19 Sep | 🌧️ Slight rain | 16.2° | 13.6° | 99% |
| Sun 20 Sep | 🌧️ Moderate drizzle | 16.8° | 12.9° | 90% |
| Mon 21 Sep | 🌧️ Light drizzle | 15.3° | 9.6° | 53% |
| Tue 22 Sep | 🌧️ Moderate drizzle | 17.1° | 7.8° | 10% |
| Wed 23 Sep | ☀️ Clear sky | 15.1° | 7.8° | 22% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| July | Good | 21.7°C | 15.0°C | 12.0 |
| August | Good | 19.9°C | 13.9°C | 13.9 |
| June | Good | 19.4°C | 12.0°C | 10.4 |
| May | Fair | 13.4°C | 5.7°C | 8.3 |
| September | Fair | 15.6°C | 10.3°C | 9.4 |
| April | Fair | 7.2°C | 0.3°C | 9.4 |
| March | Poor | 2.4°C | -3.4°C | 9.1 |
| October | Poor | 9.8°C | 5.5°C | 12.8 |
| February | Poor | -1.2°C | -6.0°C | 10.6 |
| November | Poor | 4.5°C | 0.8°C | 12.8 |
| December | Poor | 0.3°C | -4.0°C | 13.5 |
| January | Poor | -1.0°C | -5.9°C | 15.3 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
31
🟢 Good
US Air Quality Index
European AQI: 24
PM2.5
3.9 µg/m³
PM10
7.3 µg/m³
Ozone
68.0 µg/m³
NO₂
4.8 µg/m³
SO₂
0.3 µg/m³
CO
185.0 µg/m³
UV Index
0.5
Dust
0.0 µg/m³
Pollen
🌾 Grass
0.0
🌳 Birch
0.0
🌿 Ragweed
0.0
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | 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% |