Best Time to Visit Cook Islands

Temperatures, Precipitation, Sunshine in Rarotonga (Cook Islands)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day Temperature	29°	29°	29°	28°	27°	27°	25°	25°	25°	26°	27°	28°
Night Temperature	23°	23°	22°	22°	20°	19°	18°	18°	19°	20°	21°	22°
Water Temperature	27°	28°	28°	27°	27°	25°	24°	24°	25°	25°	26°	26°
Precipitation (inch)	9.49	11.02	8.7	8.31	7.05	4.53	3.86	5.2	5.31	3.74	5.91	7.44
Rainy days	15	13	15	14	13	10	9	10	9	10	10	13
Hours of Sunshine	6	6	6	5	5	5	5	6	6	6	6	6

The annual average temperature in Rarotonga is 23.9 °C.

For comparison: London 11 °C, NYC 12 °C, LA 17.9 °C

Warmest month: February (26.1 °C)
Coldest month: August (21.7 °C)

The maximum water temperature in Rarotonga is 28 °C. You can take a bath at these temperatures.

Months with water temperature of at least 21 °C (adequate for beach vacation):
all months

Overall annual precipitation: 80.55 inch on 141 rainy days

For comparison: London 24.06 in, NYC 41.57 in, LA 12.01 in

Rainy season (months with more than 6.9 in of precipitation): January, February, March, April, May, and December
Overall precipitation in the rainy season: 52.01 in

You cannot expect snow in any month in Rarotonga.

As our climate table shows, March is the sunniest month with an average of 6.3 hours of sunshine per day. Over the year, there are 5.7 hours of sunshine per day on average. For comparison: London has 4.1, NYC has 7 and LA has 8.9 hours of sunshine per day on average.