Average annual temperature is 14.5 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -6.8 °C
Number of sunny days: 103 days
Number of rainy days: 242 days
Number of snow days: 20 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) | 14.0 | 13.0 | 20.1 | 22.6 | 28.1 | 27.6 | 33.0 | 35.2 | 33.3 | 24.2 | 24.0 | 16.9 |
| Average daytime temperature (°C) | 5.4 | 5.6 | 12.1 | 15.2 | 19.4 | 23.9 | 28.6 | 33.0 | 28.0 | 19.6 | 14.5 | 8.3 |
| Average temperature (°C) | 3.0 | 3.2 | 7.9 | 11.0 | 15.3 | 20.5 | 25.1 | 29.1 | 24.7 | 16.1 | 11.4 | 5.6 |
| Average night temperature (°C) | 1.0 | 1.1 | 4.2 | 7.2 | 11.6 | 17.7 | 22.1 | 25.9 | 22.4 | 13.2 | 8.6 | 2.9 |
| Absolute minimum temperature (°C) | -6.8 | -2.5 | -0.8 | 2.5 | 5.3 | 14.6 | 17.9 | 23.5 | 17.9 | 8.1 | 1.9 | -5.2 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.8 | 5.8 | 8.5 | 8.4 | 9.0 | 8.7 | 9.2 | 11.8 | 7.8 | 8.4 | 6.2 | 4.9 |
| Precipitation (mm) | 102 | 85 | 80 | 101 | 200 | 207 | 171 | 66 | 196 | 81 | 163 | 188 |
| Sunny days | 3 | 6 | 17 | 15 | 14 | 6 | 10 | 9 | 6 | 5 | 8 | 4 |
| Rainy days | 21 | 14 | 14 | 15 | 17 | 24 | 21 | 22 | 24 | 26 | 22 | 22 |
| Snow days | 7 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Tatsuma during the most sunny months:
The largest precipitation sum in Tatsuma is at