Average annual temperature is 14.0 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 131 days
Number of rainy days: 230 days
Number of snow days: 4 days
Look at detailed online map of Nakamatsu
* Weather data for Nakamatsu 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) | 18.2 | 16.1 | 20.8 | 23.3 | 27.0 | 29.4 | 32.5 | 31.5 | 30.7 | 25.8 | 22.8 | 18.0 |
| Average daytime temperature (°C) | 6.8 | 9.9 | 15.1 | 17.7 | 21.9 | 24.2 | 27.9 | 28.8 | 27.1 | 19.7 | 14.5 | 9.0 |
| Average temperature (°C) | 2.6 | 4.9 | 9.7 | 12.5 | 16.8 | 20.1 | 23.8 | 24.5 | 22.6 | 14.7 | 10.0 | 4.9 |
| Average night temperature (°C) | -0.8 | 0.8 | 5.1 | 8.2 | 12.7 | 16.9 | 21.2 | 21.8 | 19.4 | 10.7 | 6.2 | 1.4 |
| Absolute minimum temperature (°C) | -9.1 | -4.9 | -3.6 | 2.0 | 6.7 | 12.2 | 18.8 | 20.1 | 15.9 | 5.3 | -1.2 | -6.4 |
| 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 | 13.8 | 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) | 6.2 | 6.7 | 7.8 | 7.6 | 8.8 | 6.3 | 8.7 | 9.6 | 9.4 | 8.8 | 7.7 | 6.0 |
| Precipitation (mm) | 101 | 149 | 180 | 251 | 288 | 421 | 282 | 271 | 85 | 60 | 79 | 99 |
| Sunny days | 13 | 14 | 16 | 17 | 14 | 6 | 2 | 3 | 5 | 15 | 14 | 12 |
| Rainy days | 15 | 14 | 15 | 13 | 17 | 24 | 29 | 28 | 25 | 16 | 16 | 18 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Nakamatsu is at