Best Time to Visit Koriyama
Best time: May, Jun, Apr.
Aug is warmest (28.9°C high); Sep is rainiest (166 mm).
Koriyama weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 5.1 | -3.3 | 43 | 3.6 |
| Feb | 5.5 | -3.1 | 46 | 4.7 |
| Mar | 9 | -0.7 | 66 | 6.2 |
| Apr | 15.9 | 4.8 | 88 | 7.5 |
| May | 20.9 | 10.1 | 96 | 8.3 |
| Jun | 23.6 | 14.9 | 136 | 7.3 |
| Jul | 27 | 18.8 | 156 | 7.2 |
| Aug | 28.9 | 20 | 154 | 7.4 |
| Sep | 24.4 | 16 | 166 | 5.6 |
| Oct | 19 | 9.4 | 123 | 4.6 |
| Nov | 13.4 | 3.3 | 61 | 3.5 |
| Dec | 8.1 | -1 | 53 | 3.1 |
Average high temperature
Best months by activity
Overall: MayJunApr
Beaches: AugJulJunSep
Hiking: AprNovMay
Sightseeing: MayAprJunOct
Koriyama quick facts
What to pack
Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.
Wet months (May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Koriyama?
May, Jun, Apr.
What is the rainiest month?
Sep, about 166 mm.
What is the warmest month?
Aug, with average highs of 28.9°C.
Where to stay
See Koriyama hotels · Book Koriyama tours & activities
All destinations · Best time to visit Tokyo · Best time to visit Kyoto · Best time to visit Fuji · Best time to visit Atsugi
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.