Average annual temperature is 16.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 182 days
Number of rainy days: 181 days
Number of snow days: 2 days
Look at detailed online map of Irifune
* Weather data for Irifune 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) | 13.6 | 17.0 | 22.7 | 21.7 | 27.2 | 29.2 | 36.3 | 34.8 | 33.7 | 29.2 | 25.3 | 20.7 |
| Average daytime temperature (°C) | 8.8 | 10.5 | 15.6 | 18.9 | 21.4 | 25.4 | 31.5 | 32.4 | 29.5 | 22.5 | 18.1 | 13.4 |
| Average temperature (°C) | 4.6 | 6.2 | 11.9 | 15.4 | 18.1 | 22.4 | 27.7 | 28.8 | 26.3 | 18.2 | 13.8 | 8.5 |
| Average night temperature (°C) | 0.9 | 2.3 | 8.2 | 12.1 | 15.1 | 19.9 | 24.7 | 26.2 | 23.8 | 14.2 | 9.9 | 4.4 |
| Absolute minimum temperature (°C) | -4.6 | -2.6 | 1.9 | 5.3 | 8.8 | 15.1 | 21.7 | 24.5 | 17.4 | 10.2 | 4.9 | -1.0 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.4 | 7.4 | 8.7 | 8.5 | 7.3 | 10.7 | 11.5 | 9.0 | 8.6 | 7.2 | 7.5 |
| Precipitation (mm) | 39 | 46 | 134 | 115 | 175 | 284 | 46 | 88 | 194 | 108 | 65 | 34 |
| Sunny days | 17 | 18 | 15 | 16 | 15 | 10 | 17 | 9 | 12 | 17 | 13 | 23 |
| Rainy days | 12 | 10 | 16 | 14 | 16 | 20 | 14 | 22 | 18 | 14 | 17 | 8 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Irifune during the most sunny months:
The largest precipitation sum in Irifune is at