Average annual temperature is 17.4 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 169 days
Number of rainy days: 195 days
Number of snow days: 1 day
Look at detailed online map of Matsu
* Weather data for Matsu 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) | 16.8 | 15.1 | 17.3 | 18.2 | 20.1 | 24.6 | 27.4 | 29.3 | 29.0 | 25.2 | 23.1 | 20.0 |
| Average daytime temperature (°C) | 10.3 | 10.8 | 13.5 | 16.3 | 18.4 | 21.4 | 25.6 | 27.4 | 26.1 | 21.9 | 17.8 | 13.3 |
| Average temperature (°C) | 9.0 | 9.3 | 12.1 | 14.9 | 17.3 | 20.5 | 24.8 | 26.5 | 25.2 | 20.5 | 16.4 | 12.0 |
| Average night temperature (°C) | 7.5 | 7.5 | 10.3 | 13.2 | 16.2 | 19.4 | 24.0 | 25.6 | 24.2 | 19.2 | 14.6 | 10.3 |
| Absolute minimum temperature (°C) | -0.5 | 4.2 | 6.4 | 11.2 | 13.8 | 17.1 | 20.8 | 24.5 | 22.6 | 16.1 | 8.9 | 3.2 |
| 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 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 7.1 | 7.0 | 8.8 | 8.4 | 9.1 | 6.8 | 10.0 | 10.4 | 9.7 | 8.9 | 8.0 | 6.6 |
| Precipitation (mm) | 87 | 68 | 119 | 172 | 221 | 298 | 136 | 89 | 27 | 33 | 47 | 61 |
| Sunny days | 11 | 12 | 21 | 19 | 17 | 10 | 15 | 11 | 16 | 16 | 13 | 8 |
| Rainy days | 19 | 16 | 10 | 11 | 14 | 20 | 16 | 20 | 14 | 15 | 17 | 23 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Matsu is at