Pétionville climate

Name: Pétionville
Address: HT

Pétionville is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 19 °C. May is the wettest month (236 mm) and January the driest (25 mm). Figures are 1991–2020 climate normals.

Across a full year Pétionville averages 1,532 mm of rain and 363 days above 25 °C.

Haiti · population 376,834 · 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 31 °C
Coldest month January 19 °C
Driest month January 25 mm
Wettest month May 236 mm
Least cloud January 38 % cloud
Hottest on record August 36 °C
Coldest on record January 13 °C
Warmest sea September 30 °C

What to expectPétionville through the year

Pétionville has a clear annual cycle: average daily highs run from 28 °C in January to 31 °C in July, a swing of 3.3 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 98 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in August.

Rain is strongly seasonal. May averages 236 mm against 25 mm in January — 9.3 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Pétionville 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	28.0 °C	25 mm	38 %
February	28.5 °C	40 mm	39 %
March	28.5 °C	100 mm	48 %
April	28.7 °C	156 mm	54 %
May	29.0 °C	236 mm	66 %
June	30.1 °C	137 mm	63 %
July	30.9 °C	117 mm	57 %
August	30.7 °C	180 mm	63 %
September	29.9 °C	211 mm	69 %
October	29.0 °C	199 mm	68 %
November	28.2 °C	97 mm	57 %
December	28.0 °C	34 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	28.0 °C	19.2 °C	23.2 °C	31.0 °C	13.3 °C	30	1
February	28.5 °C	19.5 °C	23.6 °C	32.2 °C	13.9 °C	28	3
March	28.5 °C	20.1 °C	23.9 °C	33.3 °C	14.2 °C	31	5
April	28.7 °C	21.0 °C	24.5 °C	33.3 °C	16.0 °C	30	5
May	29.0 °C	22.0 °C	25.1 °C	33.8 °C	16.9 °C	31	5
June	30.1 °C	22.7 °C	26.1 °C	34.4 °C	20.5 °C	30	16
July	30.9 °C	23.0 °C	26.5 °C	35.2 °C	20.9 °C	31	23
August	30.7 °C	23.1 °C	26.4 °C	36.1 °C	21.1 °C	31	21
September	29.9 °C	22.7 °C	25.8 °C	34.6 °C	20.6 °C	30	11
October	29.0 °C	22.2 °C	25.1 °C	32.8 °C	18.8 °C	31	5
November	28.2 °C	20.9 °C	24.2 °C	31.9 °C	15.6 °C	30	1
December	28.0 °C	19.6 °C	23.4 °C	31.4 °C	13.5 °C	30	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	25 mm	6	11 h/day	38 %	76 %	7.6 km/h	27.8 °C
February	40 mm	7	12 h/day	39 %	74 %	8.2 km/h	27.6 °C
March	100 mm	14	12 h/day	48 %	75 %	7.9 km/h	27.6 °C
April	156 mm	19	13 h/day	54 %	78 %	7.4 km/h	28.1 °C
May	236 mm	23	13 h/day	66 %	81 %	7.2 km/h	28.7 °C
June	137 mm	18	13 h/day	63 %	78 %	7.9 km/h	29.2 °C
July	117 mm	18	13 h/day	57 %	76 %	7.8 km/h	29.6 °C
August	180 mm	21	13 h/day	63 %	78 %	7.6 km/h	30.0 °C
September	211 mm	24	12 h/day	69 %	82 %	7.0 km/h	30.1 °C
October	199 mm	23	12 h/day	68 %	83 %	6.8 km/h	29.9 °C
November	97 mm	14	11 h/day	57 %	82 %	6.7 km/h	29.4 °C
December	34 mm	7	11 h/day	42 %	79 %	7.3 km/h	28.6 °C

How Pétionville 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
Pétionville	31 °C	19 °C	1,532 mm	363
Delmas · Haiti	33 °C	21 °C	1,454 mm	364
Port-au-Prince · Haiti	34 °C	21 °C	1,454 mm	365
Carrefour · Haiti	33 °C	21 °C	1,285 mm	365
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 Pétionville ranks

Ranking	Position	Value
Warmest sea temperatures in the world in October	20th of 50	30 °C
Warmest sea temperatures in the world in September	22nd of 50	30 °C
Warmest sea temperatures in the world in November	36th of 50	29 °C
Warmest sea temperatures in the world in August	40th of 50	30 °C

Planning a trip? See the best time to visit Pétionville.

QuestionsCommon questions about Pétionville’s climate

When is the best time to visit Pétionville?

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 Pétionville get?

In July, the warmest month, daily highs average 31 °C. About 98 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 19 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Pétionville?

May, averaging 236 mm over 23 days with rain. The driest month is January with 25 mm. The year as a whole averages 1,532 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 Pétionville 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: 18.512°, -72.285° (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.