Okayama Climate by Month
The temperature in Okayama can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Visitors to Okayama can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 33°C in August to a chilly 11°C in January. Nighttime temperatures can drop, with averages reaching 3°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Okayama is known for its substantial rain/snowfall, with annual precipitation reaching 1350 mm. The seasons in Okayama, bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 187 mm of precipitation. This rainfall is distributed across 17 rainy days. In contrast, the driest month, January, experiences much less rainfall, totaling 53 mm over 19 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Okayama enjoys sunny spells year-round. May sees up to 6.9 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 4.8 hours of sun despite this cloudier time of the year.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Okayama.
Relative humidity over the year
The best time of year to visit Okayama in Japan
During the months of May and October 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:
Most rainfall (rainy season) is seen in June, July and September.
August has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 11°C.
June tops the wettest month list with 187 mm of rainfall.
January is the driest month with 53 mm of precipitation.
May is the sunniest month with an average of 206 hours of sunshine.
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.
