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Monthly climate in West Island, Cocos (Keeling) Islands

Last updated: March 2, 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.

Monthly average temperatures in West Island, Cocos (Keeling) Islands §

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).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in West Island, Cocos (Keeling) Islands. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  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 climate in West Island with other places

Compare temperature, precipitation, sunshine, UV index in West Island, Cocos (Keeling) Islands with other places around the world.

Monthly average precipitation in West Island, Cocos (Keeling) Islands §

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.

Monthly average precipitation and precipitation days in West Island, Cocos (Keeling) Islands. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  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

Monthly sunshine hours in West Island, Cocos (Keeling) Islands §

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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in West Island, Cocos (Keeling) Islands. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  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

Solar UV radiation in West Island, Cocos (Keeling) Islands §

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.

Average daily maximum UV levels by month for West Island, Cocos (Keeling) Islands. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  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

Detailed Monthly Weather Insights for West Island, Cocos (Keeling) Islands

Discover in-depth weather details for every month in West Island. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about West Island's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.