Average annual temperature is 13.8 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 145 days
Number of rainy days: 214 days
Number of snow days: 6 days
Look at detailed online map of Katamata
* Weather data for Katamata 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) | 17.9 | 16.8 | 21.1 | 24.7 | 28.3 | 28.5 | 32.7 | 31.8 | 30.4 | 26.2 | 24.0 | 18.4 |
| Average daytime temperature (°C) | 7.0 | 9.7 | 15.4 | 17.9 | 22.0 | 24.5 | 28.9 | 28.7 | 27.2 | 19.9 | 15.5 | 9.7 |
| Average temperature (°C) | 2.4 | 4.6 | 9.5 | 12.4 | 16.5 | 20.1 | 24.3 | 24.4 | 22.5 | 14.1 | 9.9 | 4.7 |
| Average night temperature (°C) | -1.2 | 0.8 | 4.7 | 7.8 | 12.1 | 16.8 | 21.1 | 21.3 | 19.0 | 9.6 | 5.7 | 1.2 |
| Absolute minimum temperature (°C) | -12.1 | -4.1 | -4.0 | 1.5 | 5.8 | 11.3 | 18.6 | 18.4 | 15.5 | 5.2 | -1.7 | -5.4 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 6.4 | 6.5 | 7.6 | 7.8 | 8.4 | 6.3 | 8.6 | 8.8 | 9.0 | 8.5 | 7.8 | 6.0 |
| Precipitation (mm) | 68 | 116 | 151 | 175 | 246 | 344 | 124 | 348 | 81 | 41 | 37 | 53 |
| Sunny days | 19 | 13 | 17 | 16 | 12 | 7 | 4 | 0 | 6 | 19 | 17 | 15 |
| Rainy days | 10 | 14 | 14 | 14 | 19 | 23 | 27 | 31 | 24 | 12 | 13 | 13 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Katamata is at