Average temperature in January is 4.7 °C
Average daytime temperature is 8.9 °C
Average night temperature is 1 °C
Absolute maximum temperature: 15 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 18
Number of rainy days: 12
Number of snow days: 1
Precipitation sum: 39 mm
* Weather data for Narashino 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 | 10 | 8.9 | 9.2 | 9.1 | 9 | 8.6 | 8.7 | 10.7 | 11 | 8.3 | 9.4 | 11 | 13.5 | 15 | 11.9 | 7.1 | 8 | 11.3 | 8 | 9.9 | 7.7 | 7.6 | 7 | 10 | 2.2 | 7.2 | 6.3 | 6.5 | 6.9 | 9 | 7.4 |
| Apparent max temperature | 6.5 | 5.8 | 5.3 | 4.1 | 2.2 | 4.6 | 6.7 | 8.1 | 8.2 | 0.9 | 5.9 | 8.8 | 11.2 | 14.1 | 9.3 | 4.2 | 4.1 | 9 | 4.3 | 6.6 | 2.6 | 4.5 | 4.1 | 6.6 | -5.5 | 3.5 | 2.6 | 0.1 | 3.3 | 5.4 | 2.9 |
| Mean temperature | 5.1 | 4.2 | 4.8 | 4.4 | 3.8 | 5.1 | 4.2 | 6 | 7.1 | 4.1 | 4 | 5.2 | 11.1 | 10.1 | 9.2 | 4.5 | 5.4 | 6.9 | 6 | 6.5 | 3.8 | 4.5 | 4.3 | 1.1 | -1.1 | 2.6 | 1.8 | 0.9 | 2 | 3.5 | 3.3 |
| Apparent mean temperature | -3.2 | -4.5 | -4 | -4.4 | -5.2 | -0.7 | -3.7 | -2.6 | -5 | -4.2 | -4.4 | -4.3 | 0.6 | 5.6 | 3.5 | -3.2 | -1.2 | -0.6 | 0.6 | -5.6 | -4 | -1.9 | -2.9 | -13 | -10.9 | -5.4 | -8.5 | -7.6 | -6.4 | -6.6 | -5.6 |
| Minimum temperature | 0.3 | 0.2 | 1.2 | 1.3 | -1 | 2.9 | 0.1 | 1.5 | 3.5 | 0.2 | -1 | -0.6 | 3.8 | 8.2 | 7.2 | 0.6 | 2.6 | 3.5 | 4.6 | 1.8 | 0.8 | 2.8 | 2.3 | -4.4 | -3.9 | -0.8 | -1.3 | -3.4 | -1.8 | 0.5 | -2 |
| Apparent min temperature | 1.7 | -0.2 | -0.1 | -1 | -1.5 | 1.4 | 1.1 | 2.7 | 2.7 | -2.3 | 0.6 | 1.9 | 7.8 | 8.2 | 6.1 | 0.5 | 1.7 | 3.1 | 2.3 | 1.1 | -1.3 | 0.9 | 0.6 | -5.6 | -8.1 | -1.4 | -2.7 | -4.1 | -1.7 | -2.3 | -0.9 |
| 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) | 9.8 | 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 | 6.7 | 8.7 | 8.7 | 8.7 | 8 | 8.7 | 8.7 | 8.8 | 8.8 | 7.8 | 8.8 | 8 | 2 | 0 | 0.7 | 7.7 | 7.7 | 4.3 | 9.2 | 9 | 6 | 0 | 5.8 | 9.3 | 8.5 | 3.5 | 9.4 | 9.3 | 9.5 | 8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 5.2 | 6.9 | 8 | 0.6 | 2.6 | 1.3 | 0 | 0 | 0.2 | 4.4 | 4 | 0 | 0 | 4.9 | 0 | 0 | 0 | 0.4 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 13 | 11 | 4 | 4 | 9 | 0 | 0 | 2 | 10 | 9 | 0 | 0 | 10 | 0 | 0 | 0 | 1 |
| Wind speed (m/s) | 16.2 | 19.8 | 22.4 | 24.7 | 32.8 | 16.2 | 12.2 | 14.8 | 40.3 | 43.4 | 10.6 | 12.4 | 41.5 | 20.2 | 19.8 | 23.1 | 16.8 | 23.2 | 16.2 | 37.4 | 34.3 | 14.8 | 21.3 | 47.9 | 39.6 | 15.3 | 28.7 | 28 | 13.2 | 33.2 | 21.6 |
In January 2023, the highest daytime temperature in Narashino was 15°C.
While the minimum temperature at night dropped to -4.4°C.
The average nighttime and daytime temperatures during January in Narashino are 1°C and 8.9°C respectively.
The precipitation sum in January is about 39 mm.