Average annual temperature is 15.7 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 147 days
Number of rainy days: 216 days
Number of snow days: 2 days
Look at detailed online map of Iba
* Weather data for Iba 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) | 13.9 | 14.1 | 21.0 | 24.2 | 28.8 | 29.5 | 33.9 | 33.8 | 32.5 | 25.2 | 24.2 | 16.9 |
| Average daytime temperature (°C) | 7.4 | 8.4 | 14.5 | 17.6 | 21.6 | 25.0 | 30.5 | 31.5 | 29.5 | 20.6 | 15.9 | 11.0 |
| Average temperature (°C) | 4.0 | 5.0 | 9.8 | 13.1 | 17.4 | 21.7 | 26.6 | 27.8 | 25.5 | 16.9 | 12.1 | 7.2 |
| Average night temperature (°C) | 1.4 | 2.3 | 5.9 | 9.2 | 13.8 | 18.7 | 23.2 | 24.9 | 22.3 | 13.8 | 9.1 | 4.1 |
| Absolute minimum temperature (°C) | -4.1 | -1.8 | 1.2 | 4.3 | 7.1 | 12.4 | 19.7 | 23.4 | 17.4 | 9.2 | 3.2 | -1.4 |
| 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) | 6.6 | 6.4 | 8.3 | 7.8 | 9.0 | 6.7 | 9.8 | 9.9 | 9.7 | 8.6 | 7.3 | 6.9 |
| Precipitation (mm) | 78 | 64 | 98 | 172 | 191 | 288 | 164 | 175 | 87 | 65 | 116 | 58 |
| Sunny days | 9 | 12 | 17 | 16 | 17 | 8 | 15 | 5 | 8 | 16 | 13 | 11 |
| Rainy days | 21 | 16 | 14 | 14 | 14 | 22 | 16 | 26 | 22 | 15 | 17 | 19 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Iba is at