Average annual temperature is 16.9 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 159 days
Number of rainy days: 205 days
Number of snow days: 1 day
Look at detailed online map of Nagao
* Weather data for Nagao 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) | 15.0 | 15.1 | 22.7 | 25.3 | 27.7 | 31.2 | 35.0 | 35.3 | 34.0 | 27.1 | 25.5 | 21.4 |
| Average daytime temperature (°C) | 8.9 | 9.4 | 15.6 | 18.6 | 22.4 | 25.7 | 31.1 | 32.0 | 30.2 | 22.6 | 17.5 | 12.1 |
| Average temperature (°C) | 5.7 | 6.2 | 11.5 | 14.6 | 18.7 | 22.5 | 27.2 | 28.3 | 26.3 | 18.8 | 13.7 | 8.7 |
| Average night temperature (°C) | 2.8 | 3.3 | 7.5 | 11.0 | 15.3 | 19.8 | 24.0 | 25.3 | 23.3 | 15.5 | 10.4 | 5.7 |
| Absolute minimum temperature (°C) | -3.6 | -0.6 | 2.2 | 6.7 | 11.1 | 15.6 | 21.9 | 23.5 | 21.4 | 11.4 | 4.8 | 0.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 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) | 7.0 | 6.9 | 8.5 | 8.0 | 9.0 | 6.6 | 9.9 | 9.9 | 9.4 | 8.5 | 7.3 | 7.3 |
| Precipitation (mm) | 45 | 61 | 90 | 194 | 198 | 320 | 109 | 288 | 89 | 26 | 82 | 47 |
| Sunny days | 16 | 12 | 18 | 17 | 16 | 10 | 9 | 4 | 8 | 17 | 15 | 17 |
| Rainy days | 14 | 16 | 13 | 13 | 15 | 20 | 22 | 27 | 22 | 14 | 15 | 14 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nagao is at