Average temperature in January is 0.1 °C
Average daytime temperature is 2 °C
Average night temperature is -1.8 °C
Absolute maximum temperature: 6 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 12
Number of rainy days: 16
Number of snow days: 3
Precipitation sum: 67 mm
* Weather data for Sund Åland is based on climate observations for 2023 year
| January (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 1 | 2.6 | 1.9 | -0.4 | -3.5 | -3.2 | -0.1 | 1.9 | 1.6 | 2.8 | 5 | 4 | 4.3 | 4.3 | 3.6 | 3.3 | 2.8 | 3.1 | 1.7 | 2 | -1.6 | -1.4 | -1.7 | 2.5 | 6 | 3.8 | 0.7 | 1.8 | 4.9 | 4.5 | 2.6 |
| Apparent max temperature | -2.6 | -1 | -1.6 | -4.2 | -9.7 | -8.5 | -5.3 | -3.1 | -2.7 | -1.3 | 0.3 | 0.3 | 0.8 | 1.8 | -1 | -1.6 | -1.2 | -1.5 | -1.8 | -1.1 | -4.7 | -5.4 | -6.8 | -1.3 | 1.7 | 0.8 | -3 | -2.2 | -0.2 | -0.1 | -2.2 |
| Mean temperature | -1.8 | -0.1 | 0 | -1.8 | -6.1 | -4.5 | -2 | 1 | 1 | 1.2 | 3.7 | 3.2 | 3.2 | 3.4 | 3 | 1.5 | 1.4 | 1.9 | -0.8 | -2.1 | -3.7 | -2.4 | -3.5 | 0.6 | 4.3 | 1.4 | -2.2 | -0.3 | 1.4 | 2.7 | -0.3 |
| Apparent mean temperature | -7.7 | -9.4 | -6 | -9.2 | -12.6 | -11.1 | -10.6 | -5.8 | -4.9 | -4.9 | -3.7 | -1.6 | -1.4 | -1.6 | -6.1 | -4.3 | -4.9 | -4 | -8.1 | -8.5 | -8.5 | -7.4 | -9.5 | -6.6 | -1.9 | -4.9 | -8 | -6.8 | -5 | -4.7 | -9.1 |
| Minimum temperature | -3.8 | -5.7 | -1.6 | -3 | -8.1 | -5.7 | -3.8 | -0.7 | 0.4 | 0 | 2.9 | 1.3 | 2.4 | 1.7 | 1.3 | -0.2 | 0.5 | -0.1 | -4.6 | -4.5 | -5.3 | -3 | -4.7 | -1.3 | 2.2 | -0.8 | -4 | -1.7 | -0.8 | 1.1 | -5.3 |
| Apparent min temperature | -5.6 | -3.8 | -4.4 | -6.5 | -11.7 | -10.1 | -8 | -4.2 | -3.7 | -3 | -1.4 | -0.7 | -0.5 | 0.4 | -2.5 | -3 | -3.2 | -2.6 | -4.2 | -5.6 | -7.1 | -6.2 | -8.5 | -3.6 | 0.2 | -2.7 | -6.1 | -5.1 | -3.1 | -2.8 | -5.3 |
| January | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 5.9 | 6 | 6 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.3 | 6.4 | 6.4 | 6.5 | 6.5 | 6.6 | 6.6 | 6.7 | 6.8 | 6.8 | 6.9 | 7 | 7.1 | 7.1 | 7.2 | 7.3 | 7.4 | 7.4 | 7.5 | 7.6 | 7.7 | 7.8 | 7.8 |
| Sunshine duration (h) | 3.4 | 0 | 0 | 0.1 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3.3 | 0 | 4.7 | 0 | 2 | 4.1 | 3.3 | 2.5 | 2 | 0.1 | 5.5 | 5.6 | 0.1 | 3 | 4.2 | 6 |
| Precipitation (mm) | 0 | 9.3 | 3.6 | 0.3 | 0 | 0.7 | 3.2 | 10.4 | 7.1 | 7.5 | 3.1 | 1.9 | 2.6 | 2.6 | 8.9 | 0.8 | 2.9 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0 | 0.2 | 0 | 1.3 | 0 |
| Precipitation hours | 0 | 17 | 8 | 3 | 0 | 6 | 23 | 23 | 21 | 12 | 6 | 3 | 8 | 9 | 9 | 4 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 5 | 0 |
| Wind speed (m/s) | 11.4 | 17.6 | 22.3 | 23.3 | 23.7 | 26.3 | 26.2 | 23.1 | 22.4 | 18.9 | 35.5 | 20.8 | 18.4 | 15.4 | 39.2 | 25.7 | 24.6 | 21.2 | 9.8 | 9.4 | 8.4 | 12 | 18.2 | 19.1 | 21.1 | 18.9 | 15.3 | 22.3 | 24.6 | 25.9 | 24.2 |
In January 2023, the highest daytime temperature in Sund was 6°C.
While the minimum temperature at night dropped to -8.1°C.
The average nighttime and daytime temperatures during January in Sund are -1.8°C and 2°C respectively.
The precipitation sum in January is about 67 mm.