Climate Overview
The climate in Higashihiroshima is temperate. The average annual temperature is 17°C and approximately 1507mm of precipitation falls per year. Higashihiroshima receives a notable amount of rainfall throughout the year, including during its driest month. Higashihiroshima 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 February, January, December, when temperatures can drop to 5°C.
Temperature
Temperatures in Higashihiroshima vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.
Precipitation
Higashihiroshima is a fairly wet location, receiving approximately 1507mm of precipitation annually, which averages out to around 126mm per month. The wettest month is July, averaging 236mm of rainfall. June and September also tend to see above-average precipitation. The driest month is December, with just 59mm. That's 177mm 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.
Wind
Higashihiroshima is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap 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 22km/h in winter, 18km/h in spring, 16km/h in summer, 19km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Higashihiroshima, which began on March 20, 2026. Higashihiroshima 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 29°C, while the coldest stretch bottoms out in February near 5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 8 to 20°C. Rainfall is heavy, totalling around 379mm across the season with a monthly average of 126mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 20 to 29°C. Rainfall is heavy, totalling around 602mm across the season with a monthly average of 201mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 12 to 27°C. Rainfall is heavy, totalling around 341mm across the season with a monthly average of 114mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 11°C. Precipitation is moderate at around 185mm for the season, averaging 62mm per month. Winds are moderate at around 22km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Higashihiroshima 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.
