Climate Insights for Agematsu

The climate in Agematsu is temperate. The average annual temperature is 11°C and approximately 2457mm of precipitation falls per year. Agematsu receives a notable amount of rainfall throughout the year, including during its driest month. Agematsu 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 -5°C. Snowfall occurs from January to December, with around 168cm accumulating over the season.

Temperatures in Agematsu vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Agematsu is a very wet location, receiving approximately 2457mm of precipitation annually, which averages out to around 205mm per month. The wettest month is July, averaging 425mm of rainfall. June and September also tend to see above-average precipitation. The driest month is November, with just 101mm. That's 324mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 168cm accumulating over the season. January typically sees the most snow at around 53cm.

Agematsu 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 April, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 1km/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 Agematsu, which began on June 21, 2026. Agematsu 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 28°C, while the coldest stretch bottoms out in January near -5°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The table below shows monthly climate averages for Agematsu 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.