Average annual temperature is 16.0 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -5.6 °C
Number of sunny days: 139 days
Number of rainy days: 222 days
Number of snow days: 4 days
Look at detailed online map of Ōyamato
* Weather data for Ōyamato 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) | 18.1 | 16.4 | 24.7 | 24.4 | 27.2 | 30.1 | 35.4 | 37.7 | 33.5 | 26.0 | 26.5 | 22.2 |
| Average daytime temperature (°C) | 8.7 | 9.7 | 16.5 | 19.6 | 23.2 | 26.2 | 31.8 | 33.2 | 30.5 | 21.8 | 17.0 | 12.1 |
| Average temperature (°C) | 4.3 | 5.1 | 10.7 | 14.2 | 18.1 | 22.2 | 27.1 | 28.4 | 25.7 | 16.6 | 11.9 | 7.5 |
| Average night temperature (°C) | 0.3 | 0.6 | 5.1 | 9.1 | 13.2 | 18.1 | 22.9 | 24.7 | 21.8 | 12.0 | 7.2 | 3.0 |
| Absolute minimum temperature (°C) | -5.6 | -3.7 | -1.2 | 3.9 | 7.1 | 11.7 | 18.6 | 22.1 | 17.7 | 7.9 | 0.0 | -2.2 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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 | 6.4 | 8.5 | 8.1 | 9.1 | 7.0 | 10.5 | 9.9 | 10.1 | 8.6 | 7.2 | 7.1 |
| Precipitation (mm) | 58 | 51 | 133 | 197 | 228 | 433 | 100 | 183 | 137 | 69 | 115 | 52 |
| Sunny days | 11 | 12 | 17 | 12 | 13 | 8 | 7 | 5 | 10 | 13 | 15 | 16 |
| Rainy days | 18 | 14 | 14 | 18 | 18 | 22 | 24 | 26 | 20 | 18 | 15 | 15 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōyamato during the most sunny months:
The largest precipitation sum in Ōyamato is at