Koriyama Climate by Month
The temperature in Koriyama can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and cold during the cooler months.
It also experiences much rain/snowfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
Visitors to Koriyama can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C in August. In January, the coolest month of the year, temperatures drop to a chilly 4°C. At night, expect cooler temperatures, averaging -3°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Koriyama is known for its substantial rain/snowfall, with annual precipitation reaching 1338 mm. Koriyama can be quite wet during July, receiving approximately 181 mm of precipitation over 22 rainy days. In contrast December, experiences much drier conditions, with 64 mm of rainfall, spread across 21 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The best time of year to visit Koriyama in Japan
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in July and September.
August has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 4°C.
July tops the wettest month list with 181 mm of rainfall.
December is the driest month with 64 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.