Suwa Weather and Climate: A Comprehensive Guide
The temperature in Suwa 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.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Visitors to Suwa can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C in August. In January, the coolest month of the year, temperatures drop to a chilly 3°C.
At night, you can expect cooler temperatures, with averages dropping to around -7°C during this month.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Suwa is known for its substantial rain/snowfall, with annual precipitation reaching 1607 mm. Suwa can be quite wet during July, receiving approximately 196 mm of precipitation over 22 rainy days.
In contrast December, experiences much drier conditions, with 82 mm of snow/rainfall, spread across 16 snowy/rainy days. For more details, please visit our Suwa Precipitation page.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
Suwa experiences moderate variation in sunshine hours across the seasons. With 6.8 hours daily sunshine in January, it dips to 4.7 hours in September, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Suwa.
The city experiences its highest humidity in July, reaching 73%. In February, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Suwa
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Suwa 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:
Most rainfall (rainy season) is seen in June, July, September and October.
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
July tops the wettest month list with 196 mm of rainfall.
December is the driest month with 82 mm of precipitation.
January is the sunniest month with an average of 204 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.
