Average annual temperature is 16.3 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 144 days
Number of rainy days: 218 days
Number of snow days: 3 days
Look at detailed online map of Tatsuma
* Weather data for Tatsuma 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) | 16.6 | 16.2 | 25.5 | 24.1 | 26.7 | 30.0 | 37.3 | 38.7 | 35.2 | 26.2 | 27.5 | 21.7 |
| Average daytime temperature (°C) | 8.9 | 9.8 | 16.6 | 19.3 | 23.1 | 26.2 | 32.3 | 33.9 | 31.2 | 22.3 | 17.3 | 12.3 |
| Average temperature (°C) | 4.2 | 5.0 | 10.8 | 14.3 | 18.3 | 22.3 | 27.6 | 29.1 | 26.4 | 17.0 | 12.3 | 7.3 |
| Average night temperature (°C) | -0.1 | 0.5 | 5.5 | 9.4 | 13.7 | 18.8 | 23.7 | 25.6 | 22.5 | 12.6 | 8.1 | 2.8 |
| Absolute minimum temperature (°C) | -8.2 | -4.0 | -0.5 | 4.7 | 7.8 | 12.2 | 19.4 | 23.2 | 18.0 | 8.1 | 1.7 | -2.5 |
| 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) | 7.3 | 6.3 | 8.4 | 8.0 | 9.3 | 6.9 | 10.3 | 10.0 | 9.9 | 8.7 | 7.4 | 7.1 |
| Precipitation (mm) | 50 | 52 | 119 | 162 | 260 | 376 | 94 | 188 | 143 | 56 | 149 | 37 |
| Sunny days | 7 | 10 | 17 | 14 | 16 | 8 | 9 | 4 | 10 | 15 | 16 | 18 |
| Rainy days | 22 | 17 | 14 | 16 | 15 | 22 | 22 | 27 | 20 | 16 | 14 | 13 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tatsuma is at