Climate averages 1991–2020
Kōriyama weather
in July.
A warm, wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Kōriyama: daytime highs average 26.6°C and nights cool to about 19.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 173 mm of rain on roughly 17 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 28 min on an average July day.
The nearest other city in this atlas is Sukagawa (13 km away). In July its highs average 26.6°C, about as warm as Kōriyama, with 187 mm of rain.
Among the 303 cities listed in Japan, Kōriyama ranks joint 253rd of 303 for the warmest July highs and joint 82nd of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Kōriyama is 1.2°C cooler than that mean.
From July to August, average highs rise by 1.2°C to 27.8°C, and monthly rainfall falls from 173 mm to 130 mm.
The annual picture
July 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 | 23.4°C15.0°C | 15.0°C | 112 | 13.1 | 14.715 h |
| July, selected | 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
July in nearby cities
- Sukagawa in JulyJapan · 13 kmHigh 26.6°C · Low 19.2°C · 187 mm rain
- Fukushima in JulyJapan · 40 kmHigh 26.8°C · Low 19.4°C · 193 mm rain
- Aizu-Wakamatsu in JulyJapan · 40 kmHigh 26.6°C · Low 19.3°C · 180 mm rain
- Nasushiobara in JulyJapan · 55 kmHigh 26.7°C · Low 19.4°C · 240 mm rain
- Iwaki in JulyJapan · 59 kmHigh 26.0°C · Low 20.7°C · 175 mm rain
- Yonezawa in JulyJapan · 61 kmHigh 26.6°C · Low 19.4°C · 241 mm rain
- Ōtawara in JulyJapan · 67 kmHigh 26.8°C · Low 19.5°C · 212 mm rain
- Hitachi in JulyJapan · 92 kmHigh 26.4°C · Low 21.3°C · 162 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.