Average annual temperature is 17 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 156
Number of rainy days: 208
Number of snow days: 1
Average annual precipitation: 2196 mm
Look at detailed online map of Isahaya
* Weather data for Isahaya Japan is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.9 | 16.9 | 24.3 | 26.2 | 28 | 29.9 | 33.8 | 35.5 | 32.7 | 27.6 | 26.2 | 21.8 |
| Average daytime temperature (°C) | 9.8 | 11.9 | 16.7 | 19.6 | 23 | 26.2 | 29.9 | 32.2 | 29.4 | 22.5 | 17.6 | 12.5 |
| Average temperature (°C) | 6.1 | 7.7 | 12.1 | 15.6 | 19 | 22.7 | 26.5 | 27.9 | 25.5 | 18.1 | 13.5 | 8.7 |
| Average night temperature (°C) | 2.6 | 4.4 | 8.3 | 11.9 | 15.8 | 20 | 23.9 | 24.8 | 22.4 | 14.2 | 9.7 | 5.2 |
| Absolute minimum temperature (°C) | -4.4 | 1.1 | 0.7 | 6.4 | 10.3 | 15.6 | 21.7 | 22.5 | 19.2 | 9.2 | 4.2 | -2.3 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.6 | 11.5 | 12.5 | 13.5 | 14.2 | 14.3 | 14.3 | 13.8 | 12.9 | 11.9 | 10.9 | 10.2 |
| Daylight mean duration (h) | 10.3 | 11 | 12 | 13 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10 |
| Daylight minimum duration (h) | 10 | 10.6 | 11.5 | 12.5 | 13.5 | 14.2 | 13.8 | 12.9 | 11.9 | 10.9 | 10.2 | 10 |
| Sunshine mean duration (h) | 6.5 | 6.3 | 7.5 | 8.5 | 8.7 | 7.2 | 7.8 | 11.2 | 9.3 | 9.4 | 8.1 | 6.4 |
| Precipitation (mm) | 95 | 100 | 145 | 225 | 314 | 430 | 322 | 226 | 132 | 47 | 66 | 96 |
| Sunny days | 18 | 14 | 16 | 17 | 15 | 5 | 3 | 4 | 8 | 21 | 19 | 16 |
| Rainy days | 12 | 14 | 15 | 13 | 16 | 25 | 28 | 27 | 22 | 10 | 11 | 15 |
| Snow days | 1 |
The best time to visit Isahaya during the most sunny months:
The largest precipitation sum in Isahaya is at