Oyama Climate by Month
Oyama experiences great temperature shifts.
The city's weather can transition from very warm days
to cold weather.
It is also known for its large amounts of rain/snowfall.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
The climate in Oyama is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a very warm 32°C in August to a chilly 9°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -1°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Oyama has a notably wet climate with abundant precipitation, recording 1654 mm of rain/snowfall per year. The climate in Oyama shows significant variation throughout the year. Expect heavy rainfall in September, with an average of 221 mm of precipitation over 20 rainy days. In contrast, December offers drier and sunnier days, with around 55 mm of rainfall over 7 rainy days.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
Oyama offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between January (6.7 hours daily) and June (4.2 hours daily) provides a bit of variety for visitors and residents.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Oyama 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 May, June, July, August, September and October.
August has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
September tops the wettest month list with 221 mm of rainfall.
December is the driest month with 55 mm of precipitation.
January is the sunniest month with an average of 202 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.
