COOK ISLANDS CLIMATE. Weather, Temperature, Rainfall: when to go to Cook Islands, RAROTONGA

WHEN TO GO TO COOK ISLANDS:

Climate: The Cook Islands climate is tropical oceanic, with two distinct seasons: the cold and dry season that goes from April till November with average maximum temperatures around 26°C and average minimum temperatures around 20°C; the hottest and rainy season ranging from December till March which average maximum temperature around 28°C and average minimum temperatures around 22°C, in this period the islands occasionally can be affected by tropical cyclones and hurricanes.

The average annual rainfall is around 2,100 mm, more rainy months are those between December and April, the less rainy months are those between June and October. Anti-mosquito repellents are needed especially during the hot and humid season (December-March), especially on the island of Aitutaki.

The average annual temperature of the sea water in Rarotonga is 25.9°C, with maximum temperatures of 30.2°C in February and minimum temperatures of 22.0°C in August.

Rarotonga	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rain (mm)	234	257	284	196	150	122	112	119	127	135	163	206
Min Temp (°C)	23	23	22	22	20	19	18	18	19	20	21	22
Max Temp (°C)	29	29	29	28	26	25	25	25	25	26	27	28
Length of day (hours on 15th of the month)	13.17	12.47	12.12	11.35	11.05	10.50	10.57	11.23	11.58	12.35	13.08	13.25
Sunrise (local time on 15th of the month)	6.12	6.31	6.43	6.53	7.05	7.17	7.18	7.04	6.37	6.09	5.52	5.54
Sunset (local time on 15th of the month)	19.29	19.19	18.56	18.28	18.10	18.07	18.16	18.27	18.36	18.44	19.00	19.19

Rarotonga	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea Water Temperatures (°C)	27	28	28	27	27	25	24	24	25	25	26	26

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