Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Koriyama Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Koriyama.
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Climate overview of Koriyama
Koriyama, Fukushima, Japan, sees big temperature differences between seasons, with August peaking at 29°C (84°F) and January dropping to 4°C (39°F).
With around 1338 mm (53 in) of annual rain/snowfall, Koriyama has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is July.
Koriyama Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koriyama - and find the best time to visit.
Monthly Temperature in Koriyama
Visitors to Koriyama can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 21°C (70°F) in August to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Koriyama
Koriyama is known for its substantial rain/snowfall, with annual precipitation reaching 1338 mm (53 in). Koriyama can be quite wet during July, receiving approximately 181 mm (7.1 in) of precipitation over 22 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 64 mm (2.5 in) of precipitation spread across 21 rainy days. For more details, please visit our Koriyama Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Koriyama
For comfortable weather, consider visiting Koriyama in May, June, August and September. Conditions are usually least favourable in January, February, March and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
cold
Apr
mixed
May
very good
Jun
very good
Jul
good
Aug
very good
Sep
very good
Oct
good
Nov
mixed
Dec
cold
- Best overall: May, June, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Koriyama
What is the best time to visit Koriyama?
May, June, August and September typically offer the most optimal weather in Koriyama. In contrast, January, February, March and December tend to have less optimal conditions. Koriyama has warm summers and cold winters.
What temperatures can I expect in Koriyama?
Daytime highs range from 4°C (39°F) in January to 29°C (84°F) in August. Nighttime lows range from -3°C (27°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Koriyama get?
Annual rainfall is around 1338 mm (53 in). July is the wettest month with 181 mm (7.1 in), while December is the driest with 64 mm (2.5 in).
Koriyama 3-Day Forecast
Koriyama on the map
Koriyama is highlighted - select any city to see its climate.
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