Average temperature in January is 3.4 °C
Average daytime temperature is 7.1 °C
Average night temperature is -0.2 °C
Absolute maximum temperature: 13.9 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 7
Number of rainy days: 20
Number of snow days: 4
Precipitation sum: 86 mm
* Weather data for Nagahama 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 | 8.8 | 7.5 | 6.4 | 5.4 | 5.6 | 6 | 8.7 | 8.5 | 10 | 5.5 | 7.6 | 11.2 | 13.9 | 13.6 | 12.5 | 9.1 | 8.7 | 7.7 | 7.9 | 9.9 | 4.4 | 6.6 | 9.1 | 6.1 | 0.6 | 3.7 | 2 | 1.8 | 3.6 | 4.6 | 3.8 |
| Apparent max temperature | 4 | 3.2 | 2 | 1.3 | 1.1 | 3.3 | 6 | 5.3 | 7.3 | -1 | 4.5 | 8.4 | 10.4 | 14.4 | 10 | 7.2 | 5.2 | 4.3 | 4.5 | 4.9 | -0.6 | 2.7 | 5.4 | 2.7 | -5.9 | -1.3 | -0.8 | -2.6 | 0.1 | 0.2 | 0.9 |
| Mean temperature | 6.1 | 3.4 | 3.5 | 2.6 | 3.5 | 2.5 | 5.3 | 5.2 | 5.9 | 2.2 | 4.6 | 6.2 | 10.4 | 10.2 | 8.5 | 3.8 | 3.3 | 4.4 | 3.7 | 4.3 | 2 | 3.3 | 5 | -1.2 | -3.2 | 1 | -0.2 | -0.1 | -0.4 | -0.3 | -0.6 |
| Apparent mean temperature | 0.4 | -3.2 | -1.5 | -3.7 | -0.1 | -4.1 | -0.1 | -1.9 | -3.4 | -5 | -1.6 | -1.9 | 3.9 | 3.5 | 3.4 | -5 | -3.1 | -1.7 | -3.1 | -5.1 | -4.6 | -1.2 | -0.4 | -10.7 | -12.2 | -6.7 | -7.6 | -6.8 | -10.8 | -8.9 | -10.1 |
| Minimum temperature | 3.6 | 0 | 1.7 | -0.5 | 2.4 | -0.7 | 2.8 | 0.7 | 1.4 | -1.1 | 1.6 | 1.4 | 7.9 | 5.5 | 5 | -1.4 | 0 | 1.3 | 0.2 | -1.5 | -0.9 | 1.8 | 2.8 | -5.5 | -8.1 | -2.6 | -3.8 | -3.3 | -6.1 | -5.4 | -5.7 |
| Apparent min temperature | 2.1 | 0.2 | 0.1 | -0.8 | 0.6 | -0.2 | 2.8 | 2.6 | 2.6 | -2.3 | 1.7 | 3.5 | 7.2 | 9.3 | 6.8 | 0.2 | 0.1 | 1.2 | 0.7 | -0.4 | -2 | 0.5 | 2.1 | -6.5 | -7.9 | -3.1 | -3.9 | -4.2 | -4.2 | -4.2 | -4.2 |
| 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 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 |
| Sunshine duration (h) | 7 | 7.6 | 7.7 | 7.1 | 5.2 | 3.7 | 6.7 | 7.7 | 8.4 | 8.3 | 9 | 9 | 5.3 | 0.2 | 5.1 | 5.2 | 9 | 8.2 | 7.4 | 8.6 | 8.2 | 4.9 | 5.4 | 6.4 | 7.5 | 8 | 0.3 | 8.4 | 7.8 | 8 | 9.3 |
| Precipitation (mm) | 3.6 | 0.4 | 2.3 | 9.1 | 0.8 | 2 | 0.6 | 0.2 | 6.8 | 0 | 0 | 0 | 19.3 | 3.3 | 1.2 | 0 | 0 | 0.3 | 0.5 | 0.6 | 0 | 2 | 0.5 | 10.5 | 4 | 1.3 | 8.5 | 4.8 | 0.1 | 3.5 | 0 |
| Precipitation hours | 13 | 4 | 18 | 20 | 7 | 7 | 5 | 2 | 7 | 0 | 0 | 0 | 16 | 7 | 5 | 0 | 0 | 2 | 3 | 4 | 0 | 8 | 3 | 22 | 13 | 7 | 12 | 19 | 1 | 9 | 0 |
| Wind speed (m/s) | 24.3 | 19 | 17.5 | 19.7 | 16.8 | 9.7 | 9.9 | 15.5 | 20.1 | 29.7 | 8.6 | 9.4 | 22.7 | 8.7 | 14.1 | 21.5 | 10.9 | 20.1 | 13 | 28.4 | 17.7 | 13.7 | 14.1 | 28 | 25.9 | 20 | 19 | 18.9 | 11.2 | 22.1 | 11.2 |
In January 2023, the highest daytime temperature in Nagahama was 13.9°C.
While the minimum temperature at night dropped to -8.1°C.
The average nighttime and daytime temperatures during January in Nagahama are -0.2°C and 7.1°C respectively.
The precipitation sum in January is about 86 mm.