Climate Insights for Atami

The climate in Atami is temperate. The average annual temperature is 16°C and approximately 2200mm of precipitation falls per year. Atami receives a notable amount of rainfall throughout the year, including during its driest month. Atami 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 4°C. Light snow can occur between January and March.

Temperatures in Atami vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Atami is a very wet location, receiving approximately 2200mm of precipitation annually, which averages out to around 183mm per month. The wettest month is June, averaging 309mm of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 70mm. That's 239mm 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. Light snowfall can occur between January and March, totalling around 8cm annually. February is the snowiest month with approximately 3cm.

Atami is mildly breezy, with an average annual wind speed of 16km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/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 17km/h in winter, 16km/h in spring, 14km/h in summer, 15km/h in autumn.

It is currently spring in Atami, which began on March 20, 2026. Atami 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 30°C, while the coldest stretch bottoms out in January near 4°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Atami 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.