Best Time to Visit West Island

Cocos Islands · weather by month, temperature and rainfall

Best monthsAugust to October
HottestApril · 28°C
ColdestSeptember · 26°C
WettestMarch · 201 mm

The best time to visit West Island is August to October, when the weather is at its most comfortable for sightseeing and time outdoors. Temperatures barely change through the year: highs stay between 26°C and 28°C, so rainfall matters far more than heat when choosing when to go. The rainy season runs over February to April and December; March is the wettest month with about 201 mm (7.9 in) of rain. April is the least comfortable month, mainly because of the rain.

When to go to West Island: a seasonal guide

Dry season: August to October

This is the sweet spot. Rain drops to around 40 mm a month, and you get only nine or ten wet days in September and October. August is a touch wetter, with 11. Temperatures ease to a high of 26°C in September and October, so afternoons feel warm rather than heavy. October is also the sunniest of the three.

The trade winds blow steadily at this time of year. That's good for kitesurfing and sailing around the lagoon. It also keeps the air moving on the beach at Direction Island and Home Island. Snorkelling is easier when the sky is brighter, so the clear mornings are worth planning around.

Wet season: December to April

Expect warm, damp days. March is the wettest month, with 201 mm over 23 days, so rain is more likely than not on any given day. April is rated Poor, with 170 mm and the least sun of the wet months. Showers tend to pass quickly, but the sky can stay grey for long stretches.

Humidity sits around 80% all year, so it never feels dry. Even so, wet-season days feel stickier. If you don't mind the odd downpour, January is the gentlest of the wet months, with 109 mm and 5.3 hours of sun a day. It's rated Good.

May to July and November: in between

May to July is drier than March but still showery. Rain falls on 17 to 20 days a month, and June is the greyest, with only 3.6 hours of sun a day. You'll get the odd good beach day, but don't count on a run of them. November is a better bet. It's drier, with 86 mm, and the sea breeze is back.

Crowds and events

West Island is small and quiet all year. You won't find a true high season with packed beaches. Flights are limited, and accommodation is small-scale, so the dry months are simply when most visitors choose to come. If you want the lagoon to yourself, the wetter months are the quietest. Many of the Cocos Malay community's celebrations, including Hari Raya after Ramadan, follow the Islamic calendar, so their timing shifts each year. Check the dates before you book if you'd like to catch one.

West Island weather by month

20°25°30°0125250January: 109 mm rainFebruary: 155 mm rainMarch: 201 mm rainApril: 170 mm rainMay: 108 mm rainJune: 130 mm rainJuly: 99 mm rainAugust: 43 mm rainSeptember: 39 mm rainOctober: 40 mm rainNovember: 86 mm rainDecember: 134 mm rainJanuary: 27°CFebruary: 28°CMarch: 28°CApril: 28°CMay: 28°CJune: 28°CJuly: 27°CAugust: 27°CSeptember: 26°COctober: 26°CNovember: 27°CDecember: 27°CJanuary: 27°CFebruary: 27°CMarch: 28°CApril: 28°CMay: 28°CJune: 27°CJuly: 27°CAugust: 26°CSeptember: 26°COctober: 26°CNovember: 26°CDecember: 26°CJanFebMarAprMayJunJulAugSepOctNovDec mm°C
Avg high Avg low Rainfall (mm)
Jan27°C / 27°C109 mmGoodFeb28°C / 27°C155 mmFairMar28°C / 28°C201 mmFairApr28°C / 28°C170 mmPoorMay28°C / 28°C108 mmFairJun28°C / 27°C130 mmFairJul27°C / 27°C99 mmFairAug27°C / 26°C43 mmExcellentSep26°C / 26°C39 mmExcellentOct26°C / 26°C40 mmExcellentNov27°C / 26°C86 mmGoodDec27°C / 26°C134 mmFair

Monthly climate table

MonthHighLowRainRainy daysHumiditySun hrs/dayRating
January27°C 81°F27°C 80°F109 mm1479%5.3Good 6.5
February28°C 82°F27°C 81°F155 mm1980%4.9Fair 4.8
March28°C 83°F28°C 82°F201 mm2380%4.1Fair 4.5
April28°C 83°F28°C 82°F170 mm2081%4Poor 4.3
May28°C 82°F28°C 82°F108 mm1880%4.1Fair 5.5
June28°C 82°F27°C 81°F130 mm2080%3.6Fair 4.5
July27°C 81°F27°C 80°F99 mm1779%3.9Fair 5.9
August27°C 80°F26°C 79°F43 mm1178%4.5Excellent 8.4
September26°C 79°F26°C 78°F39 mm978%4.6Excellent 8.8
October26°C 79°F26°C 78°F40 mm979%5.3Excellent 8.7
November27°C 80°F26°C 79°F86 mm1380%4.7Good 7.1
December27°C 81°F26°C 80°F134 mm1681%4.6Fair 5.1

Frequently asked questions

When is the best time to visit West Island?

The best time to visit West Island is August to October, based on comfortable temperatures, low rainfall and plenty of sunshine.

What is the hottest month in West Island?

April is the hottest month in West Island, with an average high of 28°C (83°F).

What is the coldest month in West Island?

September is the coldest month in West Island, with an average low of 26°C (78°F).

What is the rainiest month in West Island?

March is the wettest month, with about 201 mm (7.9 in) of rain. September is the driest, with 39 mm (1.5 in).

When is the rainy season in West Island?

The rainy season in West Island is February to April and December.

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