Climate Insights for Cocos Island Airport

The climate in Cocos Island Airport is hot. The average annual temperature is 26°C and approximately 1585mm of precipitation falls per year. March is the wettest month, receiving around 246mm of rainfall. Cocos Island Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: April, March, February. The coldest months are September, August, October, when temperatures can drop to 25°C.

Cocos Island Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is April, when average highs reach 28°C and the mean temperature sits around 27°C. September is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Cocos Island Airport is a fairly wet location, receiving approximately 1585mm of precipitation annually, which averages out to around 132mm per month. The wettest month is March, averaging 246mm of rainfall. June and February also tend to see above-average precipitation. The driest month is October, with just 27mm. That's 219mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Cocos Island Airport is very windy, with an average annual wind speed of 31km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 37km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in February, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 13km/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 36km/h in winter, 33km/h in spring, 26km/h in summer, 29km/h in autumn.

It is currently autumn in Cocos Island Airport, which began on March 20, 2026. Cocos Island Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in April at around 28°C, while the coldest stretch bottoms out in September near 25°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Cocos Island Airport 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.