Last updated: May 6, 2024
Under the Köppen–Geiger climate classification West Island features a tropical rainforest climate (Af).Temperatures typically range between 25 °C (78 °F) and 27 °C (81 °F) through the year, but rarely can drop to 23 °C (74 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1678 mm (66.1 inches) and receives 195 rainy days on the 1 mm (0.04 inches) threshold annually.West Island enjoys an average of 3830 hours of sunshine throughout the year, and daylight varies from 11 hours 24 minutes to 12 hours 48 minutes per day.
The warmest months in West Island are March, April and May, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 25 to 26 °C (78 - 78 °F) throughout the day. On average each year, West Island experiences 325 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 28°C (83°F) | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 28°C (83°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 28°C (82°F) |
Mean maximum | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (84°F) | 28°C (83°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 26°C (80°F) | 26°C (80°F) | 27°C (81°F) | 27°C (81°F) |
Average high | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (80°F) | 27°C (80°F) |
Daily mean | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 25°C (78°F) | 26°C (79°F) | 26°C (79°F) |
Average low | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (80°F) | 26°C (80°F) | 26°C (79°F) | 25°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (78°F) | 26°C (78°F) |
Mean minimum | 25°C (77°F) | 25°C (78°F) | 25°C (78°F) | 26°C (78°F) | 25°C (78°F) | 25°C (77°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (76°F) | 25°C (76°F) |
Minimum | 24°C (76°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (76°F) | 23°C (74°F) | 24°C (75°F) | 23°C (74°F) | 23°C (75°F) | 24°C (75°F) | 24°C (76°F) |
Compare temperature, precipitation, sunshine, UV index in West Island, Cocos (Keeling) Islands with other places around the world.
West Island usually has the most precipitation in March, April and June, with an average of 20 rainy days and 230 mm (9.0 inches) of precipitation per month.The driest months in West Island are August, September and October. On average, 47 mm (1.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 179 (7.1) | 161 (6.3) | 248 (9.8) | 186 (7.3) | 135 (5.3) | 256 (10.1) | 169 (6.7) | 70 (2.8) | 24 (1.0) | 46 (1.8) | 118 (4.6) | 87 (3.4) |
Average precipitation days (≥ 1 mm) | 14 | 15 | 21 | 21 | 22 | 20 | 23 | 19 | 7 | 11 | 11 | 11 |
The sunniest months in West Island are March, October and December, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in West Island: January, June and July receive an average of 9 hours 40 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 283 | 318 | 332 | 316 | 313 | 292 | 313 | 327 | 328 | 335 | 320 | 346 |
Mean daily daylight hours | 12h 44m | 12h 28m | 12h 8m | 11h 48m | 11h 32m | 11h 24m | 11h 28m | 11h 42m | 12h 1m | 12h 21m | 12h 39m | 12h 48m |
West Island experiences the highest level of ultraviolet (UV) radiation in February, November and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly West Island UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 15 | 16 | 15 | 14 | 11 | 10 | 11 | 13 | 14 | 15 | 16 | 15 |