Average annual temperature is 13.5 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 132 days
Number of rainy days: 220 days
Number of snow days: 13 days
Look at detailed online map of Kōriyama
* Weather data for Kōriyama 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) | 13.5 | 13.5 | 20.4 | 24.6 | 29.5 | 28.5 | 35.2 | 35.3 | 33.7 | 24.8 | 23.6 | 15.9 |
| Average daytime temperature (°C) | 5.1 | 6.3 | 13.7 | 17.1 | 20.7 | 24.5 | 29.8 | 32.7 | 27.9 | 19.3 | 14.2 | 9.0 |
| Average temperature (°C) | 0.9 | 1.9 | 7.5 | 11.4 | 15.2 | 20.1 | 25.0 | 27.3 | 23.5 | 14.3 | 9.3 | 4.5 |
| Average night temperature (°C) | -2.2 | -1.6 | 2.1 | 6.5 | 9.8 | 16.6 | 21.1 | 23.2 | 20.2 | 10.1 | 5.4 | 1.1 |
| Absolute minimum temperature (°C) | -7.4 | -5.8 | -5.2 | -1.2 | 1.5 | 12.0 | 16.5 | 21.0 | 10.8 | 5.1 | -0.5 | -4.5 |
| 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) | 6.7 | 7.6 | 8.0 | 8.7 | 8.8 | 7.4 | 9.8 | 11.0 | 7.7 | 8.7 | 6.9 | 6.5 |
| Precipitation (mm) | 38 | 53 | 96 | 76 | 136 | 245 | 100 | 74 | 194 | 75 | 127 | 57 |
| Sunny days | 12 | 14 | 11 | 17 | 13 | 7 | 8 | 5 | 5 | 13 | 14 | 13 |
| Rainy days | 12 | 10 | 20 | 13 | 18 | 23 | 23 | 26 | 25 | 18 | 16 | 16 |
| Snow days | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Kōriyama during the most sunny months:
The largest precipitation sum in Kōriyama is at