Christmas Island weather by month
Average temperatures and rainfall across Christmas Island, based on 30 years of climate data.
The average temperature in Christmas Island is around 27° across the year, though it swings month to month and from region to region. The figures below show the monthly pattern for Flying Fish Cove.
- Hottest
- Apr
- 28°
- Coldest
- Sep
- 25°
- Wettest
- Mar
- 217 mm
- Driest
- Sep
- 22 mm
- Annual avg
- 27°
- year-round
- Rain / yr
- 1300 mm
- 158 wet days
- Largest city
- Flying Fish Cove
- 1k people
- Cities
- 1
- with climate data
Monthly climate (Flying Fish Cove)
Average highs, lows and rainfall through the year for Flying Fish Cove, Christmas Island's largest city.
| Month | High / Low | Rainfall | Wet days |
|---|---|---|---|
| Jan | 28° / 26° | 186 mm | 18.3 |
| Feb | 28° / 26° | 202 mm | 19.5 |
| Mar | 28° / 26° | 217 mm | 21.7 |
| Apr | 28° / 27° | 167 mm | 20.1 |
| May | 28° / 27° | 93 mm | 15.7 |
| Jun | 27° / 26° | 87 mm | 13.2 |
| Jul | 26° / 25° | 52 mm | 10.8 |
| Aug | 26° / 25° | 23 mm | 6.4 |
| Sep | 26° / 25° | 22 mm | 4.5 |
| Oct | 26° / 25° | 41 mm | 5.2 |
| Nov | 27° / 26° | 76 mm | 8.8 |
| Dec | 27° / 26° | 133 mm | 13.5 |
Climate in Flying Fish Cove
Full Flying Fish Cove forecastFlying Fish Cove is the largest city in Christmas Island; its cloud cover, humidity, wind and sunshine are typical of the surrounding region.
Clouds and sunshine
How often the daytime sky is clear, partly cloudy or overcast through the year.
In Flying Fish Cove, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.
The clearer part of the year begins around April 26 and lasts for 6.2 months, ending around October 30. The clearest month is August, when the sky is clear, mostly clear, or partly cloudy 70% of the time on average.
The cloudier part of the year begins around October 31 and lasts for 5.8 months, ending around April 25. The cloudiest month is February, when it is overcast or mostly cloudy 67% of the time.
Humidity comfort
Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.
Wind
Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.
This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.
Across the year, average wind speed in Flying Fish Cove is typically breezy, near 23 km/h, and varies a lot with the seasons.
The windier part of the year lasts 6.4 months, from around May 2 to Nov 12. The windiest month is August, averaging about 29 km/h (windy).
The calmer part of the year runs from around Nov 13 to May 1, with January the calmest month at about 17 km/h.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 17 | 18 | 17 | 20 | 24 | 26 | 29 | 29 | 28 | 26 | 22 | 18 |
| Feels | light breeze | light breeze | light breeze | light breeze | breezy | breezy | breezy | windy | breezy | breezy | breezy | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| Jan | 17 | light breeze |
| Feb | 18 | light breeze |
| Mar | 17 | light breeze |
| Apr | 20 | light breeze |
| May | 24 | breezy |
| Jun | 26 | breezy |
| Jul | 29 | breezy |
| Aug | 29 | windy |
| Sep | 28 | breezy |
| Oct | 26 | breezy |
| Nov | 22 | breezy |
| Dec | 18 | light breeze |
Best time to visit Christmas Island
A 0–10 score combining daytime comfort, chance of rain and cloud cover — the sweet spot runs late June to late November.
Solar energy
Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.
Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.
Flying Fish Cove receives about 5.7 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.7 and 6.6 kWh/m².
The brighter stretch of the year lasts 6.9 months, from around Aug 24 to Mar 21. The brightest month is October, averaging about 6.5 kWh/m² (intense).
The dimmest month is June, down near 4.7 kWh/m² — roughly 28% less than the October peak.
Where is Christmas Island?
Christmas Island sits around 10.4°S, 105.7°E. The marker shows Flying Fish Cove, its largest city, among 1 city with climate data here.
Christmas Island travel facts
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.