Climate Insights for Shimizu

The climate in Shimizu is cool. The average annual temperature is 5°C and approximately 1408mm of precipitation falls per year. Shimizu receives a notable amount of rainfall throughout the year, including during its driest month. Shimizu is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to -13°C. Shimizu experiences heavy snowfall, typically from January through December.

Temperatures in Shimizu vary considerably across the year, with a 35°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 22°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -13°C and the daily average is -9°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.

Shimizu is a fairly wet location, receiving approximately 1408mm of precipitation annually, which averages out to around 117mm per month. The wettest month is August, averaging 221mm of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 57mm. That's 164mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Shimizu receives heavy snowfall, accumulating around 340cm annually from January through December. The snowiest month is December, with approximately 66cm. Winter travel should account for significant snow cover.

Shimizu is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Shimizu, which began on June 21, 2026. Shimizu is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 22°C, while the coldest stretch bottoms out in January near -13°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.

The table below shows monthly climate averages for Shimizu based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.