Port-au-Prince climate

Name: Port-au-Prince
Address: HT

Port-au-Prince is warmest in July, with average highs of 34 °C, and coldest in January, when nights average 21 °C. May is the wettest month (222 mm) and January the driest (23 mm). Figures are 1991–2020 climate normals.

Across a full year Port-au-Prince averages 1,454 mm of rain and 365 days above 25 °C.

Haiti · population 1,234,742 · 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 34 °C
Coldest month January 21 °C
Driest month January 23 mm
Wettest month May 222 mm
Least cloud January 38 % cloud
Hottest on record July 39 °C
Coldest on record December 13 °C
Warmest sea September 30 °C

What to expectPort-au-Prince through the year

Port-au-Prince has a clear annual cycle: average daily highs run from 31 °C in January to 34 °C in July, a swing of 3.7 °C in mean temperature across the year.

Counted across a normal year, 365 days a year reach 25 °C, 298 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in July.

Rain is strongly seasonal. May averages 222 mm against 23 mm in January — 9.6 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Port-au-Prince is warmest in September at 30 °C and coldest in February at 28 °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	30.6 °C	23 mm	38 %
February	31.1 °C	39 mm	39 %
March	31.2 °C	94 mm	48 %
April	31.3 °C	149 mm	54 %
May	31.5 °C	222 mm	66 %
June	32.9 °C	131 mm	63 %
July	33.8 °C	114 mm	57 %
August	33.5 °C	175 mm	63 %
September	32.5 °C	199 mm	69 %
October	31.4 °C	187 mm	68 %
November	30.5 °C	88 mm	57 %
December	30.5 °C	33 mm	42 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.6 °C	21.3 °C	25.6 °C	34.1 °C	13.8 °C	31	21
February	31.1 °C	21.8 °C	26.0 °C	34.8 °C	15.3 °C	28	21
March	31.2 °C	22.3 °C	26.3 °C	36.6 °C	14.7 °C	31	23
April	31.3 °C	23.3 °C	26.8 °C	36.2 °C	17.3 °C	30	24
May	31.5 °C	24.3 °C	27.4 °C	37.1 °C	16.7 °C	31	25
June	32.9 °C	25.4 °C	28.7 °C	38.9 °C	22.0 °C	30	29
July	33.8 °C	25.7 °C	29.3 °C	39.1 °C	23.1 °C	31	31
August	33.5 °C	25.7 °C	29.0 °C	39.0 °C	22.8 °C	31	30
September	32.5 °C	25.0 °C	28.3 °C	37.7 °C	21.2 °C	30	29
October	31.4 °C	24.2 °C	27.4 °C	36.3 °C	19.0 °C	31	27
November	30.5 °C	22.7 °C	26.3 °C	35.4 °C	16.4 °C	30	18
December	30.5 °C	21.6 °C	25.7 °C	34.5 °C	13.2 °C	31	20

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	23 mm	6	11 h/day	38 %	73 %	8.1 km/h	27.8 °C
February	39 mm	7	12 h/day	39 %	71 %	8.8 km/h	27.6 °C
March	94 mm	14	12 h/day	48 %	71 %	8.3 km/h	27.6 °C
April	149 mm	18	13 h/day	54 %	74 %	8.0 km/h	28.1 °C
May	222 mm	22	13 h/day	66 %	77 %	8.0 km/h	28.7 °C
June	131 mm	18	13 h/day	63 %	74 %	8.6 km/h	29.2 °C
July	114 mm	18	13 h/day	57 %	71 %	8.5 km/h	29.6 °C
August	175 mm	21	13 h/day	63 %	74 %	8.3 km/h	30.0 °C
September	199 mm	23	12 h/day	69 %	77 %	7.6 km/h	30.1 °C
October	187 mm	22	12 h/day	68 %	80 %	7.5 km/h	29.9 °C
November	88 mm	14	11 h/day	57 %	79 %	7.3 km/h	29.4 °C
December	33 mm	6	11 h/day	42 %	76 %	7.8 km/h	28.6 °C

How Port-au-Prince 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-au-Prince	34 °C	21 °C	1,454 mm	365
Delmas · Haiti	33 °C	21 °C	1,454 mm	364
Carrefour · Haiti	33 °C	21 °C	1,285 mm	365
Pétionville · Haiti	31 °C	19 °C	1,532 mm	363
Saint-Marc · Haiti	32 °C	22 °C	644 mm	365
Dessalines · Haiti	34 °C	21 °C	966 mm	365
Port-de-Paix · Haiti	32 °C	22 °C	1,000 mm	360

Where Port-au-Prince ranks

Ranking	Position	Value
The warmest places in North America in January	4th of 50	31 °C
The warmest places in North America in December	5th of 50	30 °C
The warmest places in North America in November	5th of 50	30 °C
The warmest places in North America in February	6th of 50	31 °C
The warmest places in North America in October	10th of 50	31 °C
The warmest places in North America year-round	10th of 50	32 °C

Planning a trip? See the best time to visit Port-au-Prince.

QuestionsCommon questions about Port-au-Prince’s climate

When is the best time to visit Port-au-Prince?

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 Port-au-Prince get?

In July, the warmest month, daily highs average 34 °C. About 298 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

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

Which month is wettest in Port-au-Prince?

May, averaging 222 mm over 22 days with rain. The driest month is January with 23 mm. The year as a whole averages 1,454 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-au-Prince 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: 18.543°, -72.339° (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.