Santiago de Cuba climate

Name: Santiago de Cuba
Address: CU

Santiago de Cuba is warmest in July, with average highs of 32 °C, and coldest in February, when nights average 21 °C. May is the wettest month (123 mm) and January the driest (13 mm). Figures are 1991–2020 climate normals.

Across a full year Santiago de Cuba averages 789 mm of rain and 363 days above 25 °C.

Cuba · population 555,865 · 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 July 32 °C
Coldest month February 21 °C
Driest month January 13 mm
Wettest month May 123 mm
Least cloud February 23 % cloud
Hottest on record July 36 °C
Coldest on record January 15 °C
Warmest sea September 30 °C

What to expectSantiago de Cuba through the year

Santiago de Cuba has a clear annual cycle: average daily highs run from 29 °C in February to 32 °C in July, a swing of 3.6 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 191 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in July.

Rain is strongly seasonal. May averages 123 mm against 13 mm in January — 9.7 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Santiago de Cuba is warmest in September 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	28.7 °C	13 mm	27 %
February	29.2 °C	16 mm	23 %
March	29.4 °C	29 mm	29 %
April	30.0 °C	49 mm	34 %
May	30.2 °C	123 mm	52 %
June	31.0 °C	84 mm	62 %
July	32.0 °C	63 mm	50 %
August	31.9 °C	89 mm	55 %
September	30.9 °C	121 mm	60 %
October	29.9 °C	115 mm	59 %
November	29.3 °C	63 mm	44 %
December	28.8 °C	25 mm	32 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.7 °C	21.0 °C	24.3 °C	31.9 °C	15.2 °C	30	4
February	29.2 °C	20.9 °C	24.5 °C	32.5 °C	17.2 °C	28	8
March	29.4 °C	21.3 °C	24.9 °C	32.5 °C	17.3 °C	31	11
April	30.0 °C	22.2 °C	25.7 °C	33.0 °C	19.1 °C	30	15
May	30.2 °C	23.3 °C	26.3 °C	34.2 °C	19.4 °C	31	18
June	31.0 °C	24.3 °C	27.3 °C	34.9 °C	21.8 °C	30	24
July	32.0 °C	24.7 °C	27.9 °C	35.6 °C	22.4 °C	31	29
August	31.9 °C	24.8 °C	27.8 °C	35.1 °C	23.1 °C	31	28
September	30.9 °C	24.4 °C	27.1 °C	35.0 °C	22.6 °C	30	23
October	29.9 °C	23.9 °C	26.3 °C	33.4 °C	20.9 °C	31	16
November	29.3 °C	22.9 °C	25.5 °C	32.8 °C	18.8 °C	30	9
December	28.8 °C	21.8 °C	24.7 °C	32.1 °C	15.9 °C	31	5

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	13 mm	3	11 h/day	27 %	74 %	16 km/h	27.2 °C
February	16 mm	3	11 h/day	23 %	72 %	16 km/h	26.9 °C
March	29 mm	6	12 h/day	29 %	72 %	16 km/h	27.0 °C
April	49 mm	9	13 h/day	34 %	73 %	15 km/h	27.6 °C
May	123 mm	16	13 h/day	52 %	78 %	14 km/h	28.3 °C
June	84 mm	14	13 h/day	62 %	80 %	13 km/h	28.9 °C
July	63 mm	13	13 h/day	50 %	77 %	14 km/h	29.4 °C
August	89 mm	16	13 h/day	55 %	79 %	14 km/h	29.8 °C
September	121 mm	20	12 h/day	60 %	82 %	12 km/h	29.9 °C
October	115 mm	18	12 h/day	59 %	83 %	12 km/h	29.5 °C
November	63 mm	8	11 h/day	44 %	79 %	14 km/h	28.7 °C
December	25 mm	4	11 h/day	32 %	77 %	15 km/h	27.9 °C

How Santiago de Cuba compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Santiago de Cuba	32 °C	21 °C	789 mm	363
Guantánamo · Cuba	34 °C	20 °C	847 mm	364
Bayamo · Cuba	34 °C	19 °C	1,110 mm	361
Holguín · Cuba	33 °C	20 °C	904 mm	353
Las Tunas · Cuba	33 °C	20 °C	1,049 mm	356
Kingston · Jamaica	31 °C	21 °C	895 mm	364
Camagüey · Cuba	33 °C	20 °C	963 mm	355

Where Santiago de Cuba ranks

Ranking	Position	Value
The warmest places in North America in November	19th of 50	29 °C
The warmest places in North America in December	21st of 50	29 °C
The warmest places in North America in February	21st of 50	29 °C
The warmest places in North America in January	21st of 50	29 °C
The warmest places in North America year-round	26th of 50	30 °C
The warmest places in North America in October	33rd of 50	30 °C

Planning a trip? See the best time to visit Santiago de Cuba.

QuestionsCommon questions about Santiago de Cuba’s climate

When is the best time to visit Santiago de Cuba?

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

How hot does Santiago de Cuba get?

In July, the warmest month, daily highs average 32 °C. About 191 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 21 °C in February, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Santiago de Cuba?

May, averaging 123 mm over 16 days with rain. The driest month is January with 13 mm. The year as a whole averages 789 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 Santiago de Cuba 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: 20.023°, -75.822° (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.