Climate Overview
The climate in Christmas Island Airport is hot. The average annual temperature is 27°C and approximately 1610mm of precipitation falls per year. Christmas Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. 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 August, September, October, when temperatures can drop to 25°C.
Temperature
Christmas Island Airport has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 28°C. August 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 1610mm of precipitation annually, which averages out to around 134mm per month. The wettest month is January, averaging 273mm of rainfall. March and December also tend to see above-average precipitation. The driest month is August, with just 32mm. That's 241mm 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 relatively calm, with an average annual wind speed of 6km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8km/h in winter, 7km/h in spring, 5km/h in summer, 6km/h in autumn.
Seasons
93 days until Spring
It is currently winter in Christmas Island Airport, which began on June 21, 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 29°C, while the coldest stretch bottoms out in August near 25°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 25 to 27°C. Precipitation is moderate at around 292mm for the season, averaging 97mm per month. Winds are generally light, averaging 7km/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 617mm across the season with a monthly average of 206mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 509mm across the season with a monthly average of 170mm. Winds are generally light, averaging 6km/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 193mm for the season, averaging 64mm per month. Winds are generally light, averaging 8km/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.
