Monthly Climate
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Best time to visit Port of Spain

March is the best time to visit Port of Spain for general sightseeing, with average highs of 29 °C and about 5 wet days. The comfortable season runs roughly January to April.

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 March comfort 67/100
A beach holiday March sea 27 °C
The least cloud January 41 % average cloud cover
The least rain March 21 mm
Warmth May 30 °C
Cooler weather January 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 March 67 29 °C 5 94
2 February 67 28 °C 6 93
3 April 64 29 °C 5 92
4 January 62 28 °C 10 84
5 May 56 30 °C 10 81
6 December 53 28 °C 17 73
7 June 46 29 °C 18 72
8 November 46 28 °C 22 72
9 July 46 29 °C 23 72
10 August 46 29 °C 25 70
11 October 44 29 °C 21 69
12 September 44 29 °C 21 68

For a beach holiday

March scores highest, with a sea temperature of 27 °C and air temperatures around 29 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 28 °C 41 % 84
February 27 °C 28 °C 41 % 93
March 27 °C 29 °C 47 % 94
April 27 °C 29 °C 58 % 92
May 28 °C 30 °C 62 % 81
June 28 °C 29 °C 68 % 72
July 28 °C 29 °C 60 % 72
August 29 °C 29 °C 60 % 70
September 29 °C 29 °C 62 % 68
October 29 °C 29 °C 65 % 69
November 28 °C 28 °C 62 % 72
December 27 °C 28 °C 50 % 73

When to think twice

September scores lowest with about 21 wet days and highs near 29 °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 27.7 °C 45 mm 41 %
February 28.1 °C 21 mm 41 %
March 28.7 °C 21 mm 47 %
April 29.5 °C 25 mm 58 %
May 29.6 °C 47 mm 62 %
June 28.8 °C 101 mm 68 %
July 28.5 °C 122 mm 60 %
August 28.8 °C 137 mm 60 %
September 29.4 °C 104 mm 62 %
October 29.1 °C 110 mm 65 %
November 28.4 °C 124 mm 62 %
December 27.9 °C 83 mm 50 %

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.