Port-Gentil climate

Name: Port-Gentil
Address: GA

Port-Gentil is warmest in March, with average highs of 29 °C, and coldest in July, when nights average 22 °C. November is the wettest month (375 mm) and July the driest (10 mm). Figures are 1991–2020 climate normals.

Across a full year Port-Gentil averages 2,252 mm of rain and 363 days above 25 °C.

Gabon · population 164,018 · 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 March 29 °C
Coldest month July 22 °C
Driest month July 10 mm
Wettest month November 375 mm
Least cloud June 72 % cloud
Hottest on record February 32 °C
Coldest on record July 19 °C
Warmest sea March 29 °C

What to expectPort-Gentil through the year

Port-Gentil has a clear annual cycle: average daily highs run from 26 °C in July to 29 °C in March, a swing of 3.0 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 11 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in February.

Rain is strongly seasonal. November averages 375 mm against 10 mm in July — 36 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Port-Gentil is warmest in March at 29 °C and coldest in July at 25 °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	28.4 °C	284 mm	84 %
February	28.9 °C	239 mm	86 %
March	29.2 °C	255 mm	87 %
April	29.1 °C	230 mm	87 %
May	28.4 °C	172 mm	82 %
June	26.9 °C	33 mm	72 %
July	26.4 °C	10 mm	74 %
August	26.7 °C	15 mm	77 %
September	27.2 °C	56 mm	81 %
October	27.4 °C	227 mm	85 %
November	27.7 °C	375 mm	87 %
December	28.0 °C	354 mm	84 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.4 °C	24.2 °C	26.1 °C	30.6 °C	22.3 °C	31	0
February	28.9 °C	24.6 °C	26.5 °C	31.5 °C	22.6 °C	28	2
March	29.2 °C	24.9 °C	26.9 °C	31.2 °C	23.3 °C	31	5
April	29.1 °C	25.0 °C	26.8 °C	31.0 °C	23.3 °C	30	3
May	28.4 °C	24.6 °C	26.1 °C	30.6 °C	21.7 °C	31	0
June	26.9 °C	23.1 °C	24.6 °C	29.9 °C	19.8 °C	30	0
July	26.4 °C	22.2 °C	23.8 °C	29.5 °C	18.9 °C	30	0
August	26.7 °C	22.7 °C	24.3 °C	29.2 °C	20.0 °C	30	0
September	27.2 °C	23.7 °C	25.1 °C	29.4 °C	21.5 °C	30	0
October	27.4 °C	24.1 °C	25.4 °C	29.1 °C	22.7 °C	31	0
November	27.7 °C	23.9 °C	25.6 °C	29.9 °C	22.5 °C	30	0
December	28.0 °C	23.9 °C	25.7 °C	30.6 °C	22.6 °C	31	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	284 mm	29	12 h/day	84 %	86 %	12 km/h	28.3 °C
February	239 mm	26	12 h/day	86 %	86 %	13 km/h	28.7 °C
March	255 mm	28	12 h/day	87 %	85 %	12 km/h	29.0 °C
April	230 mm	27	12 h/day	87 %	86 %	12 km/h	28.7 °C
May	172 mm	24	12 h/day	82 %	86 %	13 km/h	27.6 °C
June	33 mm	7	12 h/day	72 %	83 %	16 km/h	25.6 °C
July	10 mm	2	12 h/day	74 %	80 %	17 km/h	24.7 °C
August	15 mm	4	12 h/day	77 %	79 %	17 km/h	24.8 °C
September	56 mm	14	12 h/day	81 %	81 %	17 km/h	25.5 °C
October	227 mm	28	12 h/day	85 %	85 %	15 km/h	26.6 °C
November	375 mm	30	12 h/day	87 %	87 %	13 km/h	27.3 °C
December	354 mm	30	12 h/day	84 %	87 %	13 km/h	27.8 °C

How Port-Gentil 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-Gentil	29 °C	22 °C	2,252 mm	363
Libreville · Gabon	29 °C	23 °C	2,591 mm	364
São Tomé · Sao Tome and Principe	29 °C	24 °C	1,491 mm	360
Bata · Equatorial Guinea	29 °C	23 °C	2,689 mm	361
Ciudad de la Paz · Equatorial Guinea	29 °C	20 °C	2,665 mm	346

Where Port-Gentil ranks

Ranking	Position	Value
Best beach destinations in Africa in July	3rd of 50	99/100
Best beach destinations in the world in July	7th of 50	99/100
Best beach destinations in Africa in August	12th of 50	97/100
Warmest sea temperatures in Africa in February	14th of 50	29 °C
Warmest sea temperatures in Africa in March	16th of 50	29 °C
Warmest sea temperatures in Africa in January	17th of 50	28 °C

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

QuestionsCommon questions about Port-Gentil’s climate

When is the best time to visit Port-Gentil?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, March is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Port-Gentil get?

In March, the warmest month, daily highs average 29 °C. About 11 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 22 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Port-Gentil?

November, averaging 375 mm over 30 days with rain. The driest month is July with 10 mm. The year as a whole averages 2,252 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-Gentil 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: -0.719°, 8.782° (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.