Climate Insights for Aguni Island

The climate in Aguni Island is warm and mild. The average annual temperature is 24°C and approximately 2172mm of precipitation falls per year. Aguni Island receives a notable amount of rainfall throughout the year, including during its driest month. Aguni Island 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, March, when temperatures can drop to 17°C.

Aguni Island sees moderate temperature variation throughout the year, ranging from 17°C to 29°C. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 17°C and an average of 18°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.

Aguni Island is a very wet location, receiving approximately 2172mm of precipitation annually, which averages out to around 181mm per month. The wettest month is June, averaging 358mm of rainfall. May and August also tend to see above-average precipitation. The driest month is February, with just 113mm. That's 245mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Aguni Island is very windy, with an average annual wind speed of 33km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 38km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 29km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 9km/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 36km/h in winter, 31km/h in spring, 30km/h in summer, 33km/h in autumn.

It is currently spring in Aguni Island, which began on March 20, 2026. Aguni Island 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 January near 17°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Aguni Island 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.