Average annual temperature is 15.7 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 163 days
Number of rainy days: 196 days
Number of snow days: 6 days
Look at detailed online map of Chiishichō
* Weather data for Chiishichō 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) | 17.1 | 15.3 | 22.4 | 25.6 | 29.0 | 29.8 | 34.3 | 35.1 | 34.2 | 27.1 | 26.4 | 19.8 |
| Average daytime temperature (°C) | 9.1 | 10.0 | 16.6 | 19.0 | 22.8 | 26.0 | 30.6 | 32.2 | 30.4 | 22.9 | 17.3 | 11.4 |
| Average temperature (°C) | 3.9 | 4.9 | 10.7 | 13.5 | 17.8 | 21.7 | 26.5 | 27.6 | 25.3 | 17.1 | 12.0 | 6.6 |
| Average night temperature (°C) | 0.2 | 0.8 | 5.8 | 8.7 | 13.5 | 18.1 | 22.7 | 23.9 | 21.5 | 12.6 | 8.0 | 2.8 |
| Absolute minimum temperature (°C) | -6.5 | -4.0 | -2.5 | 3.8 | 8.3 | 13.1 | 19.2 | 21.9 | 18.0 | 8.2 | 0.2 | -3.3 |
| 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) | 6.8 | 6.3 | 8.3 | 8.0 | 9.0 | 7.2 | 9.4 | 9.9 | 9.3 | 8.6 | 7.7 | 6.9 |
| Precipitation (mm) | 34 | 51 | 80 | 194 | 227 | 205 | 101 | 200 | 62 | 19 | 39 | 42 |
| Sunny days | 13 | 15 | 17 | 17 | 17 | 10 | 8 | 6 | 6 | 19 | 17 | 18 |
| Rainy days | 13 | 12 | 14 | 13 | 14 | 20 | 23 | 25 | 24 | 12 | 13 | 13 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chiishichō is at