Lake Toya Climate by Month
The climate in Lake Toya is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
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
In Lake Toya, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 25°C in August to a very cold -1°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -8°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Lake Toya experiences significant rain/snowfall throughout the year, averaging 1207 mm of precipitation annually. The climate in Lake Toya shows significant variation throughout the year. Expect heavy rainfall in August, with an average of 181 mm of precipitation over 19 rainy days. In contrast, February offers drier and sunnier days, with around 63 mm of snowfall over 26 snowy 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
For those who appreciate different seasons, Lake Toya serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.6 hours of sunshine daily, and embrace the darker days in December, offering only 2.9 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Lake Toya.
Relative humidity over the year
The best time of year to visit Lake Toya in Japan
During the months of July, August 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:
Most rainfall (rainy season) is seen in August and September.
The coldest season / winter is in the following months: January, February and December.
August has an average maximum temperature of 25°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
August tops the wettest month list with 181 mm of rainfall.
February is the driest month with 63 mm of precipitation.
May is the sunniest month with an average of 199 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.
