Average annual temperature is 13.5 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 146 days
Number of rainy days: 206 days
Number of snow days: 13 days
Look at detailed online map of Niimi Shi
* Weather data for Niimi 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) | 13.6 | 14.3 | 21.2 | 25.1 | 29.0 | 28.5 | 32.8 | 32.5 | 31.1 | 24.4 | 23.7 | 18.5 |
| Average daytime temperature (°C) | 6.3 | 7.6 | 14.7 | 17.2 | 21.6 | 25.0 | 29.1 | 29.8 | 27.5 | 19.5 | 14.7 | 9.0 |
| Average temperature (°C) | 1.6 | 2.8 | 8.4 | 11.4 | 16.0 | 19.9 | 24.5 | 25.3 | 22.8 | 14.1 | 9.6 | 4.4 |
| Average night temperature (°C) | -1.9 | -0.9 | 3.4 | 6.7 | 11.6 | 16.1 | 20.7 | 22.2 | 19.5 | 9.9 | 5.9 | 0.9 |
| Absolute minimum temperature (°C) | -11.3 | -4.8 | -3.9 | -0.2 | 5.1 | 10.1 | 16.1 | 20.3 | 15.7 | 5.1 | -0.9 | -3.9 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 6.1 | 8.1 | 7.7 | 8.3 | 7.3 | 8.8 | 8.5 | 8.7 | 8.7 | 7.4 | 6.2 |
| Precipitation (mm) | 56 | 65 | 70 | 221 | 212 | 192 | 180 | 193 | 101 | 28 | 49 | 63 |
| Sunny days | 13 | 11 | 18 | 15 | 17 | 10 | 7 | 1 | 5 | 19 | 16 | 14 |
| Rainy days | 11 | 14 | 13 | 15 | 14 | 20 | 24 | 30 | 25 | 12 | 14 | 14 |
| Snow days | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Niimi Shi is at