Average annual temperature is 16.3 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 171 days
Number of rainy days: 191 days
Number of snow days: 3 days
Look at detailed online map of Kotobukichō
* Weather data for Kotobukichō 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) | 18.4 | 15.6 | 23.5 | 26.0 | 29.5 | 32.3 | 35.9 | 37.5 | 34.2 | 29.8 | 26.7 | 19.9 |
| Average daytime temperature (°C) | 10.3 | 10.7 | 17.6 | 20.2 | 23.8 | 26.7 | 31.6 | 33.1 | 31.5 | 24.4 | 18.5 | 12.6 |
| Average temperature (°C) | 4.1 | 5.0 | 11.3 | 14.3 | 18.7 | 22.3 | 27.3 | 28.8 | 26.5 | 18.0 | 12.4 | 6.9 |
| Average night temperature (°C) | -0.9 | 0.0 | 5.6 | 8.7 | 14.0 | 18.4 | 23.3 | 25.2 | 22.4 | 12.1 | 7.3 | 2.2 |
| Absolute minimum temperature (°C) | -9.1 | -4.5 | -2.6 | 2.2 | 7.1 | 12.2 | 20.2 | 22.8 | 17.2 | 6.6 | 0.4 | -2.9 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 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) | 7.1 | 6.5 | 8.4 | 8.1 | 8.8 | 7.2 | 9.8 | 10.2 | 9.3 | 8.6 | 7.8 | 7.0 |
| Precipitation (mm) | 27 | 40 | 82 | 198 | 225 | 270 | 106 | 201 | 50 | 17 | 63 | 42 |
| Sunny days | 12 | 15 | 19 | 15 | 17 | 10 | 9 | 3 | 10 | 23 | 17 | 21 |
| Rainy days | 17 | 12 | 12 | 15 | 14 | 20 | 22 | 28 | 20 | 8 | 13 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kotobukichō is at