Climate Insights for Tateyama

The climate in Tateyama is warm and mild. The average annual temperature is 18°C and approximately 1804mm of precipitation falls per year. Tateyama receives a notable amount of rainfall throughout the year, including during its driest month. Tateyama is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, January, December, when temperatures can drop to 8°C.

Tateyama sees moderate temperature variation throughout the year, ranging from 8°C to 27°C. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 8°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.

Tateyama is a fairly wet location, receiving approximately 1804mm of precipitation annually, which averages out to around 150mm per month. The wettest month is June, averaging 235mm of rainfall. October and September also tend to see above-average precipitation. The driest month is December, with just 74mm. That's 161mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Tateyama is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 26km/h in winter, 24km/h in spring, 21km/h in summer, 24km/h in autumn.

It is currently summer in Tateyama, which began on June 21, 2026. Tateyama 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 27°C, while the coldest stretch bottoms out in February near 8°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The table below shows monthly climate averages for Tateyama 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. 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.