Average annual temperature is 13.1 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 109 days
Number of rainy days: 233 days
Number of snow days: 23 days
Look at detailed online map of Kōriyama Shi
* Weather data for Kōriyama Shi 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) | 12.4 | 12.3 | 19.4 | 24.1 | 29.3 | 27.7 | 34.4 | 34.6 | 33.2 | 23.4 | 22.9 | 14.9 |
| Average daytime temperature (°C) | 3.7 | 5.0 | 12.6 | 16.1 | 19.8 | 23.8 | 29.0 | 31.6 | 27.1 | 18.2 | 13.1 | 7.9 |
| Average temperature (°C) | 0.4 | 1.3 | 7.2 | 10.8 | 14.8 | 19.8 | 24.7 | 26.7 | 23.2 | 14.3 | 9.3 | 4.4 |
| Average night temperature (°C) | -2.0 | -1.4 | 2.9 | 6.5 | 10.4 | 16.7 | 21.3 | 23.1 | 20.4 | 11.4 | 6.5 | 2.0 |
| Absolute minimum temperature (°C) | -8.4 | -4.7 | -3.1 | 0.7 | 3.3 | 12.7 | 17.0 | 21.6 | 12.9 | 7.1 | 0.3 | -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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 7.3 | 7.9 | 8.7 | 8.8 | 7.3 | 9.6 | 11.1 | 7.6 | 8.6 | 6.6 | 5.6 |
| Precipitation (mm) | 53 | 59 | 106 | 81 | 141 | 241 | 125 | 94 | 192 | 74 | 139 | 60 |
| Sunny days | 7 | 10 | 13 | 17 | 13 | 4 | 3 | 4 | 5 | 11 | 12 | 10 |
| Rainy days | 12 | 12 | 17 | 13 | 18 | 26 | 28 | 27 | 25 | 20 | 18 | 17 |
| Snow days | 12 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Kōriyama Shi during the most sunny months:
The largest precipitation sum in Kōriyama Shi is at