Average annual temperature is 16.3 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 153 days
Number of rainy days: 212 days
Look at detailed online map of Omitama Shi
* Weather data for Omitama Shi Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.8 | 16.7 | 24.1 | 26.8 | 31.7 | 31.6 | 36.6 | 36.5 | 35.1 | 26.3 | 24.9 | 20.5 |
| Average daytime temperature (°C) | 8.7 | 10.6 | 16.3 | 19.6 | 22.1 | 26.2 | 32.0 | 33.0 | 29.7 | 21.8 | 17.6 | 12.9 |
| Average temperature (°C) | 3.8 | 5.5 | 11.4 | 14.8 | 17.6 | 22.1 | 27.2 | 28.5 | 25.8 | 17.3 | 12.8 | 7.7 |
| Average night temperature (°C) | 0.0 | 1.3 | 7.6 | 10.8 | 13.7 | 18.9 | 23.6 | 25.2 | 22.9 | 13.6 | 9.1 | 3.6 |
| Absolute minimum temperature (°C) | -5.2 | -2.7 | 1.6 | 4.2 | 7.7 | 13.7 | 20.7 | 24.0 | 17.7 | 9.5 | 4.2 | -2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.8 | 8.0 | 8.9 | 8.9 | 7.3 | 10.5 | 11.4 | 8.6 | 8.2 | 7.1 | 7.3 |
| Precipitation (mm) | 35 | 44 | 108 | 94 | 158 | 340 | 37 | 76 | 279 | 133 | 62 | 39 |
| Sunny days | 18 | 18 | 15 | 15 | 14 | 8 | 14 | 3 | 2 | 13 | 12 | 21 |
| Rainy days | 13 | 10 | 16 | 15 | 17 | 22 | 17 | 28 | 28 | 18 | 18 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Omitama Shi during the most sunny months:
The largest precipitation sum in Omitama Shi is at