Average temperature in January is -0.9 °C
Average daytime temperature is 0.8 °C
Average night temperature is -2.8 °C
Absolute maximum temperature: 4.2 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 9
Number of rainy days: 18
Number of snow days: 4
Precipitation sum: 94 mm
* Weather data for Pärnu Estonia is based on climate observations for 2023 year
| Gennaio (°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 | 4.2 | 1.6 | 3.9 | 0.7 | -3.2 | -7.7 | -9.1 | -1.5 | -1.2 | 2.1 | 1.8 | 3 | 4.1 | 4 | 3.4 | 3.2 | 2.4 | 2.7 | 1.4 | 0.4 | -3.6 | -3.1 | -0.6 | 1.4 | 2.4 | 1.8 | -0.4 | 1.6 | 2.1 | 2.9 | 2.6 |
| Apparent max temperature | -0.2 | -3.3 | -1.6 | -3.1 | -9.7 | -11.9 | -15.6 | -7.6 | -7.8 | -3.3 | -3.6 | -3.9 | -0.9 | -1 | -2.8 | -3.3 | -2.6 | -1.3 | -3.3 | -2.3 | -6.6 | -7.3 | -6 | -3.5 | -3.8 | -1.4 | -4 | -3.2 | -3.2 | -3.8 | -3.1 |
| Mean temperature | 1.9 | -0.3 | 0.9 | -0.4 | -7.7 | -9.9 | -10.1 | -5 | -2.8 | -0.4 | 1 | 1.5 | 3.5 | 3.4 | 2.5 | 2.4 | 1 | 1.6 | 0.2 | -1.5 | -5.1 | -4 | -4.4 | 0.1 | 1.6 | 1.1 | -1.8 | -1 | 1.2 | 1.7 | 0.8 |
| Apparent mean temperature | -5.4 | -7.7 | -6.5 | -9.2 | -16.7 | -16.9 | -17.9 | -16.3 | -11.2 | -10.6 | -6.7 | -6.4 | -4.6 | -4 | -6.1 | -5.2 | -5.7 | -4.1 | -6 | -10.1 | -11.5 | -9.4 | -10.6 | -7.7 | -4.7 | -5.3 | -7.7 | -9.7 | -6.1 | -6.7 | -5.4 |
| Minimum temperature | -1.2 | -3.6 | 0 | -2.8 | -9.6 | -10.9 | -11.3 | -9.9 | -4.3 | -4.3 | 0.3 | 0.4 | 2.5 | 2.9 | 1.3 | -0.5 | -1 | 0.8 | -2.3 | -5.9 | -6.3 | -5.4 | -7.1 | -1.1 | 1 | -0.7 | -4.2 | -2.8 | 0.3 | 0.8 | -0.3 |
| Apparent min temperature | -1.7 | -4.8 | -4 | -5.2 | -14.7 | -15 | -16.7 | -11.1 | -9.1 | -5.9 | -5.5 | -5 | -2.2 | -2.9 | -4.3 | -4.4 | -4.4 | -2.8 | -4.5 | -4.7 | -9.4 | -8.4 | -8.6 | -5.6 | -4.3 | -3.6 | -5.5 | -7 | -4.3 | -5.2 | -4.7 |
| Gennaio | 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) | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 7 | 7.1 | 7.1 | 7.2 | 7.2 | 7.3 | 7.3 | 7.4 | 7.5 | 7.5 | 7.6 | 7.7 | 7.7 | 7.8 | 7.9 | 8 | 8 | 8.1 | 8.2 |
| Sunshine duration (h) | 0 | 0 | 1.5 | 1.9 | 3.1 | 4.6 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.7 | 0 | 0 | 3.4 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 3.7 | 0 | 4.3 | 6.6 |
| Precipitation (mm) | 0.8 | 6.8 | 6 | 0.6 | 0 | 0 | 0 | 0.8 | 4.4 | 1.7 | 5.9 | 9.4 | 8 | 2.8 | 8.3 | 4.7 | 2.7 | 1.6 | 14.6 | 0 | 0 | 0 | 0 | 0.2 | 2.1 | 3.2 | 0 | 0.9 | 2.6 | 6.3 | 0 |
| Precipitation hours | 5 | 10 | 15 | 4 | 0 | 0 | 0 | 4 | 10 | 12 | 13 | 15 | 18 | 15 | 11 | 11 | 7 | 4 | 10 | 0 | 0 | 0 | 0 | 2 | 18 | 11 | 0 | 4 | 6 | 10 | 0 |
| Wind speed (m/s) | 21.7 | 22.1 | 38.7 | 24.7 | 30.8 | 19.2 | 21.7 | 28.4 | 26.6 | 24.3 | 33.5 | 41.8 | 46.2 | 38.1 | 42.5 | 43 | 27 | 23.4 | 28.8 | 8 | 19.4 | 17.8 | 19.6 | 29.8 | 30.4 | 28.3 | 13.8 | 36.7 | 35 | 42.5 | 25.4 |
In January 2023, the highest daytime temperature in Pärnu was 4.2°C.
While the minimum temperature at night dropped to -11.3°C.
The average nighttime and daytime temperatures during January in Pärnu are -2.8°C and 0.8°C respectively.
The precipitation sum in January is about 94 mm.