Climate averages 1991–2020
Kōriyama weather
in June.
A warm, wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Kōriyama: daytime highs average 23.4°C and nights cool to about 15.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 112 mm of rain on roughly 13 days, which makes June a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 42 min on an average June day.
The nearest other city in this atlas is Sukagawa (13 km away). In June its highs average 23.3°C, about as warm as Kōriyama, with 131 mm of rain.
Among the 303 cities listed in Japan, Kōriyama ranks joint 240th of 303 for the warmest June highs and 18th of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Kōriyama is 1.0°C cooler than that mean.
From June to July, average highs rise by 3.2°C to 26.6°C, and monthly rainfall rises from 112 mm to 173 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Kōriyama climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.2°C-3.7°C | -3.7°C | 57 | 9.2 | 9.910 h |
| February | 4.2°C-3.6°C | -3.6°C | 48 | 8.4 | 10.811 h |
| March | 8.4°C-0.7°C | -0.7°C | 86 | 11.2 | 11.912 h |
| April | 14.9°C4.5°C | 4.5°C | 95 | 11.5 | 13.113 h |
| May | 20.1°C10.1°C | 10.1°C | 97 | 11.5 | 14.214 h |
| June, selected | 23.4°C15.0°C | 15.0°C | 112 | 13.1 | 14.715 h |
| July | 26.6°C19.3°C | 19.3°C | 173 | 17.3 | 14.514 h |
| August | 27.8°C20.6°C | 20.6°C | 130 | 14.6 | 13.614 h |
| September | 23.7°C16.8°C | 16.8°C | 151 | 13.2 | 12.512 h |
| October | 17.9°C10.5°C | 10.5°C | 136 | 10.8 | 11.311 h |
| November | 12.1°C4.2°C | 4.2°C | 66 | 8.1 | 10.210 h |
| December | 6.2°C-0.6°C | -0.6°C | 49 | 9.3 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Sukagawa in JuneJapan · 13 kmHigh 23.3°C · Low 14.9°C · 131 mm rain
- Fukushima in JuneJapan · 40 kmHigh 23.5°C · Low 15.0°C · 133 mm rain
- Aizu-Wakamatsu in JuneJapan · 40 kmHigh 23.4°C · Low 14.9°C · 117 mm rain
- Nasushiobara in JuneJapan · 55 kmHigh 23.4°C · Low 15.1°C · 176 mm rain
- Iwaki in JuneJapan · 59 kmHigh 22.6°C · Low 16.8°C · 146 mm rain
- Yonezawa in JuneJapan · 61 kmHigh 23.4°C · Low 15.0°C · 155 mm rain
- Ōtawara in JuneJapan · 67 kmHigh 23.5°C · Low 15.2°C · 163 mm rain
- Hitachi in JuneJapan · 92 kmHigh 22.9°C · Low 17.3°C · 148 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kōriyama) is explained once on the Kōriyama year overview and on the Sources, method and limits page.