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Flying Fish Cove, Christmas Island climate
Aw Tropical savanna (dry winter)
Flying Fish Cove has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 83°F, while the coldest is August averaging around 72°F at night. Precipitation totals about 42 inches a year and is strongly seasonal — March alone averages 8.3 inches while September barely receives 0.35 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Flying Fish Cove climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 82 | 83 | 83 | 82 | 80 | 79 | 78 | 79 | 80 | 81 | 82 |
| Avg temp (°F) | 77 | 78 | 78 | 79 | 78 | 77 | 76 | 75 | 75 | 77 | 77 | 77 |
| Avg low (°F) | 73 | 73 | 74 | 75 | 75 | 74 | 73 | 72 | 72 | 73 | 73 | 73 |
| Precipitation (in) | 6.1 | 8.0 | 8.3 | 4.8 | 3.5 | 2.5 | 2.0 | 0.4 | 0.4 | 0.6 | 2.0 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 82 | 83 | 83 | 82 | 80 |
| Avg temp (°F) | 77 | 78 | 78 | 79 | 78 | 77 |
| Avg low (°F) | 73 | 73 | 74 | 75 | 75 | 74 |
| Precipitation (in) | 6.1 | 8.0 | 8.3 | 4.8 | 3.5 | 2.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 79 | 78 | 79 | 80 | 81 | 82 |
| Avg temp (°F) | 76 | 75 | 75 | 77 | 77 | 77 |
| Avg low (°F) | 73 | 72 | 72 | 73 | 73 | 73 |
| Precipitation (in) | 2.0 | 0.4 | 0.4 | 0.6 | 2.0 | 3.9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 73 | 71 | 69 | 56 | 54 | 51 | 46 | 47 | 55 | 65 | 73 |
| Relative humidity (%) | 79 | 80 | 81 | 80 | 79 | 79 | 78 | 77 | 79 | 80 | 80 | 79 |
| Wind speed (mph) | 9.3 | 9.4 | 9.2 | 10.9 | 13.3 | 13.9 | 15.0 | 15.0 | 14.6 | 13.4 | 12.1 | 9.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 73 | 71 | 69 | 56 | 54 |
| Relative humidity (%) | 79 | 80 | 81 | 80 | 79 | 79 |
| Wind speed (mph) | 9.3 | 9.4 | 9.2 | 10.9 | 13.3 | 13.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 46 | 47 | 55 | 65 | 73 |
| Relative humidity (%) | 78 | 77 | 79 | 80 | 80 | 79 |
| Wind speed (mph) | 15.0 | 15.0 | 14.6 | 13.4 | 12.1 | 9.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Christmas Island, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.