Monthly Climate
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Best time to visit Guantánamo

January is the best time to visit Guantánamo for general sightseeing, with average highs of 30 °C and about 4 wet days. The comfortable season runs roughly December to March.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking January comfort 77/100
The least cloud February 31 % average cloud cover
The least rain January 15 mm
Warmth July 34 °C
Cooler weather January 30 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 January 77 30 °C 4
2 February 76 30 °C 4
3 December 75 30 °C 5
4 March 73 30 °C 6
5 November 67 30 °C 9
6 April 65 31 °C 10
7 May 53 31 °C 16
8 October 50 31 °C 18
9 June 49 32 °C 15
10 July 46 34 °C 15
11 August 43 34 °C 17
12 September 43 32 °C 21

When to think twice

September scores lowest with about 21 wet days and highs near 32 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 29.5 °C 15 mm 37 %
February 30.2 °C 18 mm 31 %
March 30.5 °C 33 mm 35 %
April 31.2 °C 57 mm 40 %
May 31.3 °C 127 mm 56 %
June 32.4 °C 93 mm 65 %
July 33.9 °C 71 mm 52 %
August 33.6 °C 97 mm 58 %
September 32.3 °C 138 mm 64 %
October 31.0 °C 114 mm 63 %
November 30.1 °C 59 mm 51 %
December 29.6 °C 25 mm 41 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. 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.