Average temperature in January is 8.4 °C
Average daytime temperature is 10.5 °C
Average night temperature is 6.3 °C
Absolute maximum temperature: 19.2 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 17
Number of rainy days: 14
Number of snow days:
Precipitation sum: 90 mm
* Weather data for Amakusa 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 | 10.8 | 10.9 | 9.2 | 9.3 | 10.3 | 10.7 | 10.6 | 11 | 14.5 | 12.6 | 14.2 | 16.3 | 18.1 | 19.2 | 14.2 | 10.4 | 10.5 | 9 | 8.6 | 11.4 | 8.6 | 8.2 | 11.3 | 4.7 | 4 | 8.2 | 6.7 | 5.3 | 7.7 | 9.4 | 10.8 |
| Apparent max temperature | 7.1 | 7.7 | 5 | 4.9 | 7.5 | 8.5 | 5.6 | 8.4 | 12 | 8.7 | 11.7 | 16.1 | 17.3 | 20.7 | 12.3 | 6.3 | 8.3 | 5.2 | 6.7 | 8.3 | 5 | 4 | 7.1 | -3.8 | 0.3 | 6.2 | 2.2 | 1.6 | 4.9 | 4.6 | 8.8 |
| Mean temperature | 9.2 | 8.8 | 7.7 | 7.9 | 8.1 | 9.1 | 9.1 | 9.2 | 11.5 | 9.5 | 11.1 | 13.4 | 16.1 | 15.6 | 11.1 | 8.9 | 8.6 | 7.7 | 8.1 | 8.1 | 7.3 | 7.2 | 9.6 | -0.1 | 2.2 | 6.8 | 3.8 | 3.1 | 6.9 | 6.9 | 9 |
| Apparent mean temperature | 4.3 | 2.3 | 1.7 | 3.4 | 3.4 | 4.1 | 3.4 | 3 | 4.3 | 4.8 | 5.3 | 10.3 | 12 | 10.5 | 2.5 | 3.1 | 2.9 | 1.8 | 3.4 | 1 | 2.2 | 2.2 | -0.6 | -9.5 | -7.1 | 0.8 | -5 | -4 | 1.5 | 1.5 | 2.5 |
| Minimum temperature | 7.7 | 6.9 | 6.7 | 6.4 | 5.4 | 7.3 | 8 | 5.4 | 8.2 | 6.6 | 7.6 | 11.6 | 15.3 | 12.8 | 7.4 | 7.9 | 7.3 | 6.7 | 7 | 5.4 | 5.6 | 6.2 | 6.1 | -2.3 | -1.5 | 4.4 | 1 | 1.8 | 5.2 | 5.4 | 5.7 |
| Apparent min temperature | 5.9 | 4.7 | 3.3 | 4.1 | 5.3 | 6.8 | 4.7 | 7 | 8.8 | 6.5 | 9.3 | 11.9 | 14.5 | 15 | 8.2 | 4.8 | 5.1 | 3.6 | 5.4 | 3.9 | 3.7 | 3.2 | 5.2 | -8.1 | -2.3 | 4.1 | -2.7 | -1.8 | 3.6 | 2.6 | 6.4 |
| 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) | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 | 10.4 | 10.5 | 10.5 | 10.5 | 10.5 | 10.6 | 10.6 | 10.6 |
| Sunshine duration (h) | 8.9 | 9 | 9 | 9 | 9 | 4 | 8.7 | 9 | 9 | 9 | 9 | 3.6 | 1.5 | 3.9 | 1 | 8.6 | 3.3 | 6.1 | 1.8 | 7.1 | 9.1 | 1 | 8.6 | 7.5 | 9 | 5 | 4.2 | 6.3 | 3.2 | 9.5 | 9.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 2.3 | 0 | 0 | 0 | 0 | 0 | 1.2 | 48.4 | 0.2 | 7.3 | 0 | 0.3 | 0 | 0.1 | 1 | 0 | 22 | 0.4 | 0.2 | 0 | 5.2 | 0.5 | 0 | 1.3 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 5 | 19 | 2 | 15 | 0 | 2 | 0 | 1 | 4 | 0 | 20 | 3 | 2 | 0 | 9 | 3 | 0 | 8 | 0 | 0 |
| Wind speed (m/s) | 18.1 | 17.6 | 17.7 | 14.3 | 11.5 | 22.9 | 29.8 | 6.6 | 26.3 | 25.2 | 9.7 | 25.8 | 33.5 | 22.2 | 26 | 25.9 | 20.6 | 19 | 13.5 | 23.9 | 12.4 | 24.5 | 31.9 | 46.6 | 18.4 | 14.4 | 30.1 | 23.5 | 26 | 21.9 | 13.6 |
In January 2023, the highest daytime temperature in Amakusa was 19.2°C.
While the minimum temperature at night dropped to -2.3°C.
The average nighttime and daytime temperatures during January in Amakusa are 6.3°C and 10.5°C respectively.
The precipitation sum in January is about 90 mm.