Kōriyama Climate by Month
Kōriyama, Fukushima, Japan
Warm summers and cold winters, with rain spread through the year.
The climate in Kōriyama is one of warm summers and cold winters, with rain spread through the year. August is the warmest month, with highs around 85°F (30°C); January is the coolest at 42°F (6°C), and nights dip to 28°F (-2°C). It gets 47 in (1186 mm) of rain a year, spread across the months.
- Warmest month
- 85°F(30°C)
- Average high, August
- Coldest nights
- 28°F(-2°C)
- Average low, January
- Rain per year
- 47 in(1186 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: May
Best and worst months in Kōriyama
Best for weatherMay and June are the best time for weather in Kōriyama: highs near 74°F (23°C) and about 4.1 in (105 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 42°F (6°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Kōriyama weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 42°F(6°C) | 28°F(-2°C) | 2.0 in(51 mm) | 58% | 2.2 |
| FebFebruary | 44°F(7°C) | 29°F(-2°C) | 1.6 in(40 mm) | 55% | 2.9 |
| MarMarch | 51°F(10°C) | 33°F(1°C) | 2.6 in(67 mm) | 56% | 3.8 |
| AprApril | 62°F(17°C) | 41°F(5°C) | 3.5 in(89 mm) | 62% | 4.6 |
| MayMayBest | 71°F(22°C) | 51°F(11°C) | 3.7 in(93 mm) | 65% | 5.1 |
| JunJuneBest | 76°F(25°C) | 60°F(15°C) | 4.6 in(117 mm) | 72% | 4.7 |
| JulJuly | 82°F(28°C) | 67°F(20°C) | 6.5 in(166 mm) | 78% | 4.4 |
| AugAugust | 85°F(30°C) | 69°F(20°C) | 5.2 in(133 mm) | 76% | 4.6 |
| SepSeptember | 78°F(25°C) | 62°F(17°C) | 5.7 in(145 mm) | 80% | 3.6 |
| OctOctober | 68°F(20°C) | 51°F(10°C) | 6.3 in(160 mm) | 76% | 2.8 |
| NovNovember | 57°F(14°C) | 39°F(4°C) | 2.3 in(59 mm) | 70% | 2.1 |
| DecDecember | 47°F(8°C) | 31°F(0°C) | 2.6 in(66 mm) | 62% | 1.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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