Average temperature in January is 5.2 °C
Average daytime temperature is 9.3 °C
Average night temperature is 1.6 °C
Absolute maximum temperature: 16.4 °C
Absolute minimum temperature: -5 °C
Number of sunny days: 16
Number of rainy days: 15
Number of snow days:
Precipitation sum: 52 mm
* Weather data for Asahi Japan 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 | 11.4 | 9.3 | 9.5 | 9.3 | 8.1 | 8.6 | 8.7 | 10.6 | 13.2 | 7.9 | 9.3 | 12.3 | 15.4 | 16.4 | 12.2 | 9.1 | 8.3 | 11.5 | 8.4 | 10.9 | 7.3 | 7.7 | 8.7 | 8 | 1.5 | 7.2 | 7.5 | 6.3 | 7.1 | 8.9 | 6.2 |
| Apparent max temperature | 8.1 | 5.2 | 4.6 | 4.3 | 1.8 | 5 | 6.1 | 7.3 | 10.7 | 0.6 | 6.1 | 10.5 | 13.5 | 15.1 | 8.8 | 6.3 | 4.9 | 8.2 | 5 | 8.2 | 3.6 | 5 | 7 | 5.5 | -5.8 | 3 | 4.3 | 0.1 | 3.9 | 5.7 | 2.3 |
| Mean temperature | 5.9 | 4.2 | 3.8 | 3.7 | 3.4 | 5.3 | 4.4 | 7.9 | 7.6 | 3 | 4.2 | 5.4 | 12.4 | 12.2 | 10.6 | 5.9 | 6.3 | 8.1 | 6.7 | 6.4 | 4.5 | 6.5 | 5.6 | 0.8 | -1.3 | 3.4 | 2.7 | 1.7 | 2.7 | 3.5 | 2.8 |
| Apparent mean temperature | -2.2 | -4.4 | -4.4 | -5.1 | -4.3 | -0.9 | -2.9 | 1.8 | -2.5 | -4.4 | -3.9 | -3.2 | 4.6 | 7.3 | 5.6 | -0.8 | -0.2 | 0.4 | 1 | -3.2 | -2.4 | 0.6 | -0.2 | -12.2 | -9.4 | -3.2 | -6.7 | -6.3 | -4.6 | -6.1 | -5.4 |
| Minimum temperature | 1.3 | -0.5 | -0.6 | -1.1 | -0.4 | 2.6 | 1.3 | 5.3 | 2.2 | -0.2 | -0.6 | 0 | 7.3 | 9.2 | 9.5 | 3.4 | 3.5 | 5.7 | 4.8 | 0.9 | 2.5 | 3.9 | 3.4 | -5 | -3.2 | 1.1 | -2.2 | -1.2 | -0.8 | -1.6 | -1.9 |
| Apparent min temperature | 2.6 | 0.1 | -0.6 | -1 | -1.4 | 2 | 1.3 | 4.7 | 4.4 | -2 | 1.2 | 2.8 | 10.1 | 10.2 | 7.4 | 1.8 | 2.8 | 3.8 | 3.1 | 2.5 | -0.1 | 3.5 | 2.5 | -4.5 | -7.5 | -0.7 | -1.3 | -3.3 | -1 | -1.2 | -0.9 |
| 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) | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 |
| Sunshine duration (h) | 8.7 | 7.9 | 8.7 | 8.7 | 8.8 | 8 | 6.5 | 8.8 | 8.8 | 8.8 | 7.5 | 8.8 | 8.7 | 2 | 0 | 0.8 | 7.8 | 8.8 | 4 | 7.1 | 9.2 | 5.2 | 0 | 3.5 | 9.3 | 8.5 | 2.9 | 9.4 | 9.5 | 9.5 | 9.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 1.3 | 0.2 | 0 | 0.3 | 0 | 0 | 0 | 0.7 | 5.6 | 7.3 | 9.1 | 0.3 | 0 | 1.8 | 0 | 0 | 0.7 | 8.9 | 6.8 | 0 | 0.1 | 8.8 | 0 | 0 | 0.2 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 9 | 12 | 11 | 3 | 0 | 6 | 0 | 0 | 5 | 13 | 11 | 0 | 1 | 13 | 0 | 0 | 1 | 0 |
| Wind speed (m/s) | 12 | 14.2 | 18.9 | 20.2 | 23.9 | 12.9 | 12.8 | 13.7 | 20.1 | 31.8 | 9.7 | 8.5 | 23.9 | 27.3 | 23.7 | 22.7 | 18.2 | 25.8 | 22.4 | 25.7 | 19.2 | 11.6 | 16.4 | 31.2 | 32.2 | 14.7 | 23.8 | 25.2 | 12.9 | 22.9 | 12.8 |
In January 2023, the highest daytime temperature in Asahi was 16.4°C.
While the minimum temperature at night dropped to -5°C.
The average nighttime and daytime temperatures during January in Asahi are 1.6°C and 9.3°C respectively.
The precipitation sum in January is about 52 mm.