Climate Insights for Awaji

The climate in Awaji is temperate. The average annual temperature is 17°C and approximately 1695mm of precipitation falls per year. Awaji receives a notable amount of rainfall throughout the year, including during its driest month. Awaji 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.

Temperatures in Awaji 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 28°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 3°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Awaji is a fairly wet location, receiving approximately 1695mm of precipitation annually, which averages out to around 141mm per month. The wettest month is June, averaging 226mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 62mm. That's 164mm 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.

Awaji is mildly breezy, with an average annual wind speed of 17km/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 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/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 19km/h in winter, 16km/h in spring, 15km/h in summer, 16km/h in autumn.

It is currently summer in Awaji, which began on June 21, 2026. Awaji 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. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Awaji is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 75mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while February is the coldest period with lows dropping to 5°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Awaji 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.