George Town climate

Name: George Town
Address: KY

George Town is warmest in August, with average highs of 30 °C, and coldest in January, when nights average 24 °C. October is the wettest month (205 mm) and February the driest (19 mm). Figures are 1991–2020 climate normals.

Across a full year George Town averages 963 mm of rain and 354 days above 25 °C.

Cayman Islands · population 29,370 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 30 °C
Coldest month January 24 °C
Driest month February 19 mm
Wettest month October 205 mm
Least cloud March 27 % cloud
Hottest on record August 33 °C
Coldest on record January 19 °C
Warmest sea August 30 °C

What to expectGeorge Town through the year

George Town has a clear annual cycle: average daily highs run from 26 °C in January to 30 °C in August, a swing of 3.3 °C in mean temperature across the year.

Counted across a normal year, 354 days a year reach 25 °C, 39 of them reach 30 °C. The warmest reading in the 1991–2020 record is 33 °C, in August.

Rain is strongly seasonal. October averages 205 mm against 19 mm in February — 11 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off George Town is warmest in August at 30 °C and coldest in February at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	26.2 °C	31 mm	36 %
February	26.5 °C	19 mm	28 %
March	26.9 °C	23 mm	27 %
April	27.9 °C	22 mm	30 %
May	28.5 °C	97 mm	46 %
June	29.1 °C	105 mm	62 %
July	29.8 °C	62 mm	52 %
August	29.9 °C	89 mm	54 %
September	29.5 °C	138 mm	60 %
October	28.6 °C	205 mm	59 %
November	27.6 °C	120 mm	47 %
December	26.8 °C	50 mm	40 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	26.2 °C	24.3 °C	25.3 °C	29.6 °C	18.6 °C	27	0
February	26.5 °C	24.3 °C	25.3 °C	29.3 °C	19.2 °C	25	0
March	26.9 °C	24.5 °C	25.6 °C	29.7 °C	20.2 °C	29	0
April	27.9 °C	25.3 °C	26.5 °C	31.6 °C	20.0 °C	30	1
May	28.5 °C	25.9 °C	27.2 °C	31.2 °C	23.0 °C	31	2
June	29.1 °C	26.7 °C	27.9 °C	31.9 °C	23.6 °C	30	3
July	29.8 °C	27.1 °C	28.4 °C	32.8 °C	24.2 °C	31	10
August	29.9 °C	27.2 °C	28.5 °C	33.0 °C	24.2 °C	31	14
September	29.5 °C	26.8 °C	28.2 °C	32.8 °C	23.8 °C	30	8
October	28.6 °C	26.2 °C	27.4 °C	31.0 °C	23.6 °C	31	2
November	27.6 °C	25.7 °C	26.6 °C	30.6 °C	21.7 °C	30	0
December	26.8 °C	25.0 °C	25.9 °C	29.6 °C	19.7 °C	29	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	31 mm	7	11 h/day	36 %	73 %	30 km/h	26.9 °C
February	19 mm	5	12 h/day	28 %	73 %	29 km/h	26.6 °C
March	23 mm	6	12 h/day	27 %	73 %	28 km/h	26.7 °C
April	22 mm	5	13 h/day	30 %	75 %	25 km/h	27.3 °C
May	97 mm	13	13 h/day	46 %	77 %	24 km/h	28.1 °C
June	105 mm	15	13 h/day	62 %	79 %	25 km/h	28.6 °C
July	62 mm	13	13 h/day	52 %	77 %	24 km/h	29.2 °C
August	89 mm	15	13 h/day	54 %	77 %	23 km/h	29.7 °C
September	138 mm	19	12 h/day	60 %	78 %	23 km/h	29.7 °C
October	205 mm	20	12 h/day	59 %	79 %	26 km/h	29.2 °C
November	120 mm	14	11 h/day	47 %	76 %	30 km/h	28.4 °C
December	50 mm	9	11 h/day	40 %	74 %	31 km/h	27.6 °C

Where George Town ranks

Ranking	Position	Value
Best beach destinations in the world in April	15th of 50	94/100

Planning a trip? See the best time to visit George Town.

QuestionsCommon questions about George Town’s climate

When is the best time to visit George Town?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, March sit closest to 20 °C on average, August is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does George Town get?

In August, the warmest month, daily highs average 30 °C. About 39 days a year pass 30 °C. The highest value in the 1991–2020 record is 33 °C.

How cold does it get in winter?

Nights average 24 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in George Town?

October, averaging 205 mm over 20 days with rain. The driest month is February with 19 mm. The year as a whole averages 963 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in George Town rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 19.287°, -81.374° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.