Average annual temperature is 17.0 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 157 days
Number of rainy days: 207 days
Number of snow days: 1 day
Look at detailed online map of Maruyama
* Weather data for Maruyama 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) | 17.7 | 16.5 | 22.5 | 25.3 | 27.1 | 29.1 | 33.3 | 33.2 | 32.4 | 26.6 | 25.3 | 20.4 |
| Average daytime temperature (°C) | 10.2 | 10.9 | 16.8 | 19.0 | 22.4 | 25.8 | 29.7 | 30.5 | 29.2 | 22.6 | 17.9 | 13.1 |
| Average temperature (°C) | 6.8 | 7.2 | 12.4 | 15.1 | 18.8 | 22.5 | 26.4 | 27.2 | 25.6 | 18.2 | 13.9 | 9.6 |
| Average night temperature (°C) | 4.0 | 3.9 | 8.7 | 11.5 | 15.6 | 19.8 | 23.8 | 24.6 | 22.9 | 14.9 | 10.4 | 6.6 |
| Absolute minimum temperature (°C) | -3.0 | -0.1 | 2.7 | 7.1 | 9.9 | 14.7 | 20.7 | 22.5 | 20.4 | 10.8 | 4.8 | 1.7 |
| 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) | 7.5 | 7.4 | 8.5 | 8.4 | 9.3 | 6.9 | 10.6 | 9.7 | 9.7 | 8.8 | 7.9 | 7.4 |
| Precipitation (mm) | 94 | 47 | 154 | 276 | 300 | 575 | 104 | 272 | 191 | 116 | 152 | 63 |
| Sunny days | 19 | 18 | 16 | 12 | 15 | 10 | 6 | 3 | 7 | 15 | 17 | 19 |
| Rainy days | 11 | 10 | 15 | 18 | 16 | 20 | 25 | 28 | 23 | 16 | 13 | 12 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Maruyama is at