Climate Overview
The climate in Cocos Island Airport is hot. The average annual temperature is 26°C and approximately 1737mm of precipitation falls per year. Cocos Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. 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.
Temperature
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.
Precipitation
Cocos Island Airport is a fairly wet location, receiving approximately 1737mm of precipitation annually, which averages out to around 145mm per month. The wettest month is March, averaging 254mm of rainfall. June and February also tend to see above-average precipitation. The driest month is October, with just 44mm. That's 210mm 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.
Wind
Cocos Island Airport is moderately windy, with an average annual wind speed of 27km/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 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in February, with average winds dropping to 19km/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 31km/h in winter, 30km/h in spring, 21km/h in summer, 24km/h in autumn.
Seasons
2 days until Spring
It is currently winter in Cocos Island Airport, which began on June 21, 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. Spring is next, beginning on September 23, 2026 (2 days from now).
Spring
Temperatures range from 25 to 26°C. Precipitation is moderate at around 219mm for the season, averaging 73mm per month. Winds are strong, averaging 30km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 499mm across the season with a monthly average of 166mm. Winds are moderate at around 21km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 568mm across the season with a monthly average of 189mm. Winds are moderate at around 24km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 450mm across the season with a monthly average of 150mm. Winds are strong, averaging 31km/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 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.