Average temperature in January is 18.6 °C
Average daytime temperature is 19.6 °C
Average night temperature is 17.5 °C
Absolute maximum temperature: 22.1 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 13
Number of rainy days: 18
Number of snow days:
Precipitation sum: 19 mm
* Weather data for Ogasawara 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 | 20 | 19.6 | 20.7 | 19.5 | 19.1 | 18.4 | 21 | 19.7 | 19.4 | 20.1 | 17.6 | 18.8 | 20.6 | 21.8 | 22.1 | 21.8 | 20.6 | 20.5 | 19.7 | 19.8 | 19.2 | 19.2 | 21.5 | 21.9 | 16 | 17 | 20.9 | 17.9 | 17.8 | 18.6 | 18.1 |
| Apparent max temperature | 18.2 | 17.4 | 19 | 18.2 | 14.9 | 15.9 | 17.2 | 15.6 | 17.8 | 15.9 | 13.9 | 14.5 | 18.4 | 21.5 | 23.3 | 23.2 | 21.3 | 20.7 | 19.5 | 19.2 | 16.5 | 17.5 | 20.2 | 19.1 | 12.1 | 15.8 | 18 | 12.9 | 14.2 | 16 | 15.3 |
| Mean temperature | 18.9 | 18.7 | 19.6 | 18.3 | 17.9 | 17.4 | 19.7 | 18.5 | 18.7 | 18 | 17.1 | 17.7 | 19.3 | 21.3 | 21.7 | 21.3 | 20.1 | 19.7 | 19 | 19 | 18.3 | 17.9 | 20.5 | 19.5 | 15.2 | 16.1 | 18.7 | 16.6 | 17.1 | 17.8 | 17.4 |
| Apparent mean temperature | 15.7 | 14.9 | 16.8 | 12.9 | 12.4 | 13.8 | 13.9 | 12.9 | 15.7 | 11.5 | 12.4 | 13 | 14.9 | 17.8 | 21.7 | 18.7 | 19 | 16 | 16.8 | 13.8 | 13.1 | 14.5 | 16.8 | 6.9 | 7.9 | 12.9 | 12.6 | 9.7 | 11.7 | 12.4 | 11.9 |
| Minimum temperature | 18.2 | 17.6 | 18.3 | 17.6 | 16.9 | 16.2 | 18.4 | 18 | 18.2 | 16.7 | 16.5 | 17.2 | 18.3 | 20.4 | 21.4 | 20.1 | 19.3 | 19 | 18.4 | 17.2 | 17.3 | 17.1 | 18.6 | 15.4 | 14.5 | 15.5 | 16.6 | 16 | 16.1 | 16.1 | 16.5 |
| Apparent min temperature | 16.6 | 16.5 | 17.7 | 14.3 | 14 | 14.5 | 15.6 | 14.5 | 16.4 | 13.1 | 13.2 | 13.7 | 16.4 | 19.4 | 22.7 | 21.5 | 20.1 | 18.6 | 18.2 | 16.7 | 14.7 | 15.5 | 18.5 | 14.5 | 9.8 | 13.8 | 15.1 | 11 | 13.2 | 14.3 | 13.9 |
| 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) | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.9 | 10.9 | 10.9 |
| Sunshine duration (h) | 9.3 | 8.3 | 9.2 | 8 | 8.6 | 9.3 | 9.4 | 9.3 | 8.2 | 9.4 | 9.4 | 9.6 | 8.7 | 9.6 | 9.6 | 9.6 | 8.9 | 6.9 | 9.4 | 8 | 6.7 | 9.7 | 9.7 | 8.7 | 4.5 | 8.7 | 6.8 | 4.2 | 8.8 | 8.7 | 9.9 |
| Precipitation (mm) | 0.6 | 0 | 0.9 | 0.7 | 0.1 | 0.4 | 0.5 | 0 | 0 | 0.5 | 0 | 0 | 0 | 0 | 0 | 2.3 | 1.9 | 0.5 | 0.2 | 0.5 | 0.1 | 0 | 0 | 7.1 | 0 | 0 | 0.9 | 0.1 | 0 | 1.3 | 0.2 |
| Precipitation hours | 2 | 0 | 7 | 5 | 1 | 4 | 4 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 2 | 3 | 1 | 0 | 0 | 12 | 0 | 0 | 4 | 1 | 0 | 7 | 2 |
| Wind speed (m/s) | 27 | 21.8 | 27.9 | 35.5 | 33.5 | 27.2 | 43.1 | 43.5 | 18.6 | 40.6 | 28.1 | 30.1 | 23.4 | 29.8 | 26.4 | 32.4 | 17.2 | 30.4 | 21.6 | 31.3 | 31.8 | 18.1 | 37.8 | 61.6 | 51.4 | 16 | 52.4 | 49.6 | 32.1 | 30.4 | 32.2 |
In January 2023, the highest daytime temperature in Ogasawara was 22.1°C.
While the minimum temperature at night dropped to 14.5°C.
The average nighttime and daytime temperatures during January in Ogasawara are 17.5°C and 19.6°C respectively.
The precipitation sum in January is about 19 mm.