Average annual temperature is 15.8 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 150 days
Number of rainy days: 209 days
Number of snow days: 6 days
Look at detailed online map of Tanuma
* Weather data for Tanuma 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) | 12.7 | 17.2 | 24.2 | 28.0 | 31.9 | 30.6 | 38.9 | 36.6 | 34.2 | 26.5 | 25.0 | 18.7 |
| Average daytime temperature (°C) | 8.0 | 10.0 | 17.1 | 20.9 | 23.4 | 26.4 | 32.5 | 32.8 | 29.5 | 21.7 | 17.1 | 12.1 |
| Average temperature (°C) | 3.0 | 4.7 | 11.3 | 14.6 | 17.7 | 22.0 | 27.2 | 27.7 | 25.2 | 16.7 | 12.0 | 6.7 |
| Average night temperature (°C) | -0.8 | 0.0 | 6.1 | 9.0 | 12.8 | 18.4 | 22.9 | 24.2 | 21.9 | 12.4 | 7.8 | 2.5 |
| Absolute minimum temperature (°C) | -5.4 | -4.1 | -0.4 | 2.4 | 6.2 | 13.5 | 20.1 | 22.3 | 15.3 | 6.8 | 1.0 | -3.0 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 8.3 | 8.0 | 9.1 | 9.4 | 7.4 | 10.0 | 10.2 | 8.5 | 8.4 | 7.6 | 7.7 |
| Precipitation (mm) | 16 | 37 | 93 | 64 | 202 | 312 | 103 | 212 | 234 | 123 | 65 | 25 |
| Sunny days | 18 | 17 | 14 | 17 | 11 | 5 | 7 | 5 | 2 | 12 | 20 | 22 |
| Rainy days | 9 | 9 | 17 | 13 | 20 | 25 | 24 | 26 | 28 | 19 | 10 | 9 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tanuma is at