Average temperature in January is 5.8 °C
Average daytime temperature is 8.6 °C
Average night temperature is 2.9 °C
Absolute maximum temperature: 17.2 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 10
Number of rainy days: 20
Number of snow days: 1
Precipitation sum: 64 mm
* Weather data for Sennan Japan 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 | 9.7 | 9.1 | 8.5 | 8.4 | 8.3 | 8.9 | 10.3 | 10.1 | 11 | 7.4 | 8.7 | 12.8 | 17.2 | 14.5 | 13.1 | 9.3 | 7.5 | 9.1 | 8.6 | 10 | 5.8 | 7.4 | 7.1 | 7.7 | 3 | 5.4 | 4.6 | 4.6 | 5.9 | 7 | 6.5 |
| Apparent max temperature | 5.9 | 4.9 | 3.6 | 2.6 | 4 | 5 | 7.2 | 6.4 | 9 | 1.6 | 5.6 | 11.6 | 14.2 | 15.5 | 9.9 | 7.2 | 4 | 5.7 | 5.4 | 4.8 | 1.2 | 3.8 | 4.2 | 2.7 | -2.6 | 0.9 | 1.2 | -0.4 | 0.3 | 1.2 | 2.4 |
| Mean temperature | 7.7 | 5.9 | 7 | 6.3 | 6.8 | 4.7 | 7.4 | 6.6 | 7.6 | 4.4 | 3.5 | 7.7 | 14 | 11.6 | 10.2 | 6.1 | 6.4 | 6.5 | 5.4 | 6.3 | 3.5 | 5.4 | 6 | 0.9 | 1.9 | 3.3 | 2.9 | 2.7 | 4.3 | 3.9 | 3 |
| Apparent mean temperature | 2.6 | 0.8 | 0.6 | -0.3 | 2 | -2.4 | 2.4 | -2.9 | -1.3 | -1.9 | -2.8 | 1.6 | 7.8 | 6.3 | 6.4 | -1 | 1.4 | 1.1 | -1.5 | -2.3 | -4.5 | -0.3 | 0.8 | -9.8 | -6.2 | -2.3 | -4.9 | -5 | -1.4 | -2.3 | -3.8 |
| Minimum temperature | 4.9 | 3.1 | 5.7 | 3.1 | 5.2 | 0.6 | 5.9 | 0.3 | 3.9 | 1.1 | 0.2 | 4 | 10.3 | 9 | 7.5 | 3 | 4.8 | 3.8 | 1.3 | 2.6 | -1 | 2.8 | 3.7 | -2.9 | 0.3 | 0.6 | 0.5 | 1.3 | 2.9 | 0.7 | 0.4 |
| Apparent min temperature | 3.7 | 2.5 | 2.3 | 1 | 2.7 | 1.4 | 3.8 | 3.4 | 4.5 | 0.1 | 0.6 | 5.6 | 11.5 | 10.2 | 8.2 | 1.7 | 3.1 | 3.3 | 2.6 | 1.2 | -0.4 | 2 | 3.1 | -6.2 | -3.8 | -0.5 | -2.1 | -2.9 | -0.4 | -0.7 | -0.6 |
| 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) | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 | 10.4 | 10.5 | 10.5 |
| Sunshine duration (h) | 8.6 | 8 | 7.6 | 7.8 | 8.3 | 8.3 | 6 | 8.7 | 9 | 8.7 | 9 | 8.7 | 4.1 | 0.4 | 6 | 3.6 | 8.5 | 7.4 | 8.8 | 9.1 | 6.8 | 8.2 | 0.8 | 7.8 | 9.3 | 8.5 | 1.1 | 9.5 | 8.4 | 9.5 | 9.5 |
| Precipitation (mm) | 0.1 | 0.2 | 0.1 | 0 | 0 | 0 | 2.4 | 0 | 0.8 | 0.1 | 0 | 0 | 23.8 | 8.3 | 2.3 | 0.6 | 0 | 0.1 | 0.3 | 0 | 0 | 5.5 | 3.7 | 3.6 | 0.1 | 0.5 | 9 | 2.2 | 0 | 0.2 | 0.2 |
| Precipitation hours | 1 | 2 | 1 | 0 | 0 | 0 | 6 | 0 | 2 | 1 | 0 | 0 | 16 | 7 | 7 | 3 | 0 | 1 | 1 | 0 | 0 | 7 | 10 | 17 | 1 | 3 | 18 | 10 | 0 | 2 | 2 |
| Wind speed (m/s) | 19.9 | 21.1 | 20.7 | 25.8 | 17.8 | 12.2 | 18.5 | 15.8 | 23 | 23.1 | 6.3 | 7.6 | 28.4 | 20.5 | 16.2 | 24.7 | 17.1 | 16.1 | 10.7 | 26.2 | 17.1 | 12.8 | 17.8 | 42.5 | 27.2 | 20.8 | 37.6 | 25.9 | 23.2 | 25.8 | 11.6 |
In January 2023, the highest daytime temperature in Sennan was 17.2°C.
While the minimum temperature at night dropped to -2.9°C.
The average nighttime and daytime temperatures during January in Sennan are 2.9°C and 8.6°C respectively.
The precipitation sum in January is about 64 mm.