Cayman Islands climate guide

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Temperature
Rainfall
Sunshine & daylight
UV levels & humidity
Climate overview

Temperature in Cayman Islands (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	29	29	30	31	31	32	32	32	32	31	30	29
Min temperature (night-time)	22	22	22	23	24	25	25	25	25	25	24	23
Sea temperature	27	26	26	27	28	28	29	29	30	29	28	27

Sunshine & Daylight in Cayman Islands

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	9	10	9	8	9	8	8	8	7	7
Daily hours of daylight	11	12	12	13	13	13	13	13	12	12	11	11

Rainfall in Cayman Islands

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	8	7	6	11	15	15	15	16	17	13	12
Average monthly rainfall (mm)	56	44	32	48	132	184	176	171	208	234	118	57

More climate for Cayman Islands

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV Index (Maximum)	8	10	11	11	11	11	11	11	11	10	8	7
Heat & Humidity	M	M	H	H	VH	VH	VH	VH	VH	VH	H	H

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The climate guide for Cayman Islands shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm) | Imperial (°F / inches)

Cayman Islands climate overview

The Cayman Islands are situated in the Caribbean, nestled halfway between Cuba in the north and the mainland of Central America in the south. Claimed by Britain in the eighteenth century they remain today one of the few British colonies still in existence. The islands have flourished as an offshore banking centre and tax haven, having more financial institutions than New York City.

Famed for its idyllic coastline, the Cayman Islands are home to some of the most beautiful beaches in the whole of the Caribbean. Seven Mile Beach on Grand Cayman is particularly well renowned. However the brochure-perfect combination of white sand, palm trees, and blue sea also attracts many tourists, so the most popular beach settings have become well developed with hotels and shops.

Contrasting with sandy beaches are the sea cliffs on Cayman Brac. These spectacular white limestone rock-faces are riddled with caves.

Scuba diving and snorkelling is popular throughout the Cayman Islands with plenty of coral and colourful marine life. Underwater nature reserves have also been established to preserve the outstanding natural beauty.

The tropical climate has a winter dry season running from December to April although even during this time, an occasional shower is possible. The rainy summer season lasts from May to November when heavy tropical showers develop, many of which turn thundery. Summer daytime temperatures remain hot throughout the islands and only fall a few degrees during the winter months. Occasional hurricanes are possible from July to October.