Aso Climate by Month
The temperature in Aso can vary greatly throughout the year.
The temperatures shift from very warm
to cold.
It is also known for its large amounts of rain/snowfall.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Aso. Typically, daytime temperatures range from a very warm 31°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
Aso has a relatively rain/snowy climate with high precipitation levels, averaging 1994 mm of rain/snowfall annually. The climate in Aso shows significant variation throughout the year. Expect heavy rainfall in June, with an average of 413 mm of precipitation over 19 rainy days. In contrast, December offers drier and sunnier days, with around 73 mm of rainfall over 16 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Aso offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between August (6.9 hours daily) and June (4.4 hours daily) provides a bit of variety for visitors and residents.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Aso.
Relative humidity over the year
The best time of year to visit Aso in Japan
During the months of May, June 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:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in April, May, June, July, August and September.
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
June tops the wettest month list with 413 mm of rainfall.
December is the driest month with 73 mm of precipitation.
August is the sunniest month with an average of 208 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.