Port of Spain climate

Name: Port of Spain
Address: TT

Port of Spain is warmest in May, with average highs of 30 °C, and coldest in January, when nights average 24 °C. August is the wettest month (137 mm) and March the driest (21 mm). Figures are 1991–2020 climate normals.

Across a full year Port of Spain averages 940 mm of rain and 365 days above 25 °C.

Trinidad and Tobago · population 49,031 · 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 May 30 °C
Coldest month January 24 °C
Driest month March 21 mm
Wettest month August 137 mm
Least cloud January 41 % cloud
Hottest on record April 35 °C
Coldest on record January 21 °C
Warmest sea September 29 °C

What to expectPort of Spain through the year

Port of Spain changes little through the year. Average daily highs stay between 28 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 51 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in April.

Rain is strongly seasonal. August averages 137 mm against 21 mm in March — 6.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Port of Spain is warmest in September at 29 °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	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 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	27.7 °C	24.2 °C	25.6 °C	32.5 °C	20.6 °C	31	2
February	28.1 °C	24.2 °C	25.8 °C	32.5 °C	20.8 °C	28	3
March	28.7 °C	24.5 °C	26.2 °C	33.3 °C	21.2 °C	31	5
April	29.5 °C	25.1 °C	26.9 °C	34.8 °C	21.1 °C	30	7
May	29.6 °C	25.5 °C	27.2 °C	34.7 °C	23.0 °C	31	7
June	28.8 °C	25.3 °C	26.7 °C	34.4 °C	22.7 °C	30	4
July	28.5 °C	25.1 °C	26.5 °C	33.6 °C	22.4 °C	31	3
August	28.8 °C	25.4 °C	26.8 °C	33.0 °C	22.8 °C	31	3
September	29.4 °C	25.7 °C	27.3 °C	34.8 °C	22.8 °C	30	7
October	29.1 °C	25.7 °C	27.1 °C	33.6 °C	22.5 °C	31	6
November	28.4 °C	25.2 °C	26.5 °C	32.3 °C	21.8 °C	30	3
December	27.9 °C	24.7 °C	26.0 °C	31.8 °C	21.3 °C	31	2

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	45 mm	10	12 h/day	41 %	78 %	26 km/h	26.8 °C
February	21 mm	6	12 h/day	41 %	75 %	27 km/h	26.6 °C
March	21 mm	5	12 h/day	47 %	74 %	27 km/h	26.8 °C
April	25 mm	5	12 h/day	58 %	75 %	26 km/h	27.2 °C
May	47 mm	10	13 h/day	62 %	77 %	26 km/h	27.6 °C
June	101 mm	18	13 h/day	68 %	81 %	26 km/h	27.6 °C
July	122 mm	23	13 h/day	60 %	82 %	24 km/h	28.0 °C
August	137 mm	25	12 h/day	60 %	83 %	21 km/h	28.8 °C
September	104 mm	21	12 h/day	62 %	82 %	21 km/h	29.1 °C
October	110 mm	21	12 h/day	65 %	82 %	22 km/h	28.8 °C
November	124 mm	22	12 h/day	62 %	83 %	23 km/h	28.2 °C
December	83 mm	17	12 h/day	50 %	81 %	25 km/h	27.4 °C

How Port of Spain 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
Port of Spain	30 °C	24 °C	940 mm	365
Saint George's · Grenada	28 °C	25 °C	1,133 mm	365
Carúpano · Venezuela	31 °C	23 °C	1,011 mm	365
Maturín · Venezuela	33 °C	22 °C	1,012 mm	365
Porlamar · Venezuela	29 °C	24 °C	465 mm	364
Kingstown · Saint Vincent and the Grenadines	29 °C	25 °C	1,022 mm	365
Ciudad Guayana · Venezuela	33 °C	22 °C	1,036 mm	365

Where Port of Spain ranks

Ranking	Position	Value
Best beach destinations in the world in April	26th of 50	92/100
The warmest places in North America in December	33rd of 50	28 °C
The warmest places in North America in January	33rd of 50	28 °C
The warmest places in North America in November	34th of 50	28 °C
The warmest places in North America in February	41st of 50	28 °C
Best beach destinations in the world in March	43rd of 50	94/100

Planning a trip? See the best time to visit Port of Spain.

QuestionsCommon questions about Port of Spain’s climate

When is the best time to visit Port of Spain?

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, May is the warmest month and March the driest. The month-by-month table above has the full picture.

How hot does Port of Spain get?

In May, the warmest month, daily highs average 30 °C. About 51 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °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 Port of Spain?

August, averaging 137 mm over 25 days with rain. The driest month is March with 21 mm. The year as a whole averages 940 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 Port of Spain 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: 10.667°, -61.519° (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.