Average annual temperature is 6.6 °C
Absolute maximum temperature: 24.4 °C
Absolute minimum temperature: -9.7 °C
Number of sunny days: 142 days
Number of rainy days: 176 days
Number of snow days: 47 days
Look at detailed online map of Iniö
* Weather data for Iniö Finland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 3.7 | 4.5 | 3.7 | 8.0 | 13.0 | 19.7 | 19.2 | 24.4 | 18.1 | 15.0 | 8.6 | 5.4 |
| Average daytime temperature (°C) | 1.6 | 0.6 | 0.4 | 4.6 | 8.7 | 15.0 | 17.3 | 18.1 | 16.6 | 8.5 | 3.1 | -0.4 |
| Average temperature (°C) | 0.6 | -0.4 | -0.9 | 2.8 | 7.4 | 13.4 | 16.5 | 17.1 | 15.7 | 7.1 | 1.8 | -1.7 |
| Average night temperature (°C) | -0.4 | -1.6 | -2.4 | 1.1 | 6.1 | 11.9 | 15.6 | 16.1 | 14.9 | 5.6 | 0.1 | -2.9 |
| Absolute minimum temperature (°C) | -7.8 | -7.2 | -9.3 | -5.0 | 0.9 | 6.9 | 13.6 | 14.1 | 12.9 | -0.3 | -9.4 | -9.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 15.0 | 18.0 | 19.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 6.7 | 9.1 | 11.8 | 14.6 | 17.3 | 18.9 | 18.1 | 15.6 | 12.9 | 10.1 | 7.5 | 5.9 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 17.0 | 14.0 | 11.0 | 8.0 | 6.0 | 5.0 |
| Sunshine mean duration (h) | 1.6 | 3.7 | 5.9 | 10.6 | 13.8 | 16.1 | 14.2 | 9.8 | 8.4 | 5.1 | 1.9 | 0.5 |
| Precipitation (mm) | 72 | 37 | 72 | 14 | 25 | 9 | 64 | 180 | 37 | 149 | 81 | 32 |
| Sunny days | 8 | 15 | 9 | 21 | 22 | 25 | 11 | 5 | 13 | 3 | 6 | 4 |
| Rainy days | 18 | 6 | 11 | 9 | 9 | 5 | 20 | 26 | 17 | 28 | 17 | 10 |
| Snow days | 5 | 7 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 17 |
The best time to visit Iniö during the most sunny months:
Months with the longest average daylight duration in Iniö:
The largest precipitation sum in Iniö is at