Climate Overview
The climate in Christmas Island Airport is hot. The average annual temperature is 27°C and approximately 1487mm of precipitation falls per year. January is the wettest month, receiving around 227mm of rainfall. Christmas 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, May. The coldest months are September, August, October, when temperatures can drop to 25°C.
Temperature
Christmas 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 28°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
Christmas Island Airport is a fairly wet location, receiving approximately 1487mm of precipitation annually, which averages out to around 124mm per month. The wettest month is January, averaging 227mm of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 27mm. That's 200mm less than January, 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
Christmas 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 July, averaging 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in February, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/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 32km/h in winter, 29km/h in spring, 23km/h in summer, 25km/h in autumn.
Seasons
90 days until Winter
It is currently autumn in Christmas Island Airport, which began on March 20, 2026. Christmas 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 — 90 days from now.
Spring
Temperatures range from 25 to 27°C. Precipitation is moderate at around 239mm for the season, averaging 80mm per month. Winds are strong, averaging 29km/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 623mm across the season with a monthly average of 208mm. Winds are moderate at around 23km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 472mm across the season with a monthly average of 157mm. Winds are strong, averaging 25km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 27°C. Precipitation is moderate at around 154mm for the season, averaging 51mm per month. Winds are strong, averaging 32km/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 Christmas 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.
