Banjul climate

Name: Banjul
Address: GM

Banjul is warmest in November, with average highs of 31 °C, and coldest in January, when nights average 20 °C. August is the wettest month (257 mm) and April the driest (0.03 mm). Figures are 1991–2020 climate normals.

Across a full year Banjul averages 654 mm of rain and 362 days above 25 °C.

Gambia · population 37,274 · 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 November 31 °C
Coldest month January 20 °C
Driest month April 0 mm
Wettest month August 257 mm
Least cloud March 27 % cloud
Hottest on record April 40 °C
Coldest on record January 15 °C
Warmest sea October 29 °C

What to expectBanjul through the year

Banjul has a clear annual cycle: average daily highs run from 30 °C in January to 31 °C in November, a swing of 3.8 °C in mean temperature across the year.

Counted across a normal year, 362 days a year reach 25 °C, 163 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in April.

Rain is strongly seasonal. August averages 257 mm against 0 mm in April — 9,632 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Banjul is warmest in October at 29 °C and coldest in March at 20 °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	30.0 °C	2 mm	43 %
February	31.0 °C	1 mm	37 %
March	31.3 °C	under 1 mm	27 %
April	30.0 °C	under 1 mm	30 %
May	29.3 °C	1 mm	34 %
June	29.7 °C	14 mm	51 %
July	29.3 °C	128 mm	72 %
August	28.7 °C	257 mm	81 %
September	29.2 °C	191 mm	74 %
October	30.3 °C	57 mm	49 %
November	31.4 °C	2 mm	48 %
December	30.7 °C	1 mm	49 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.0 °C	20.0 °C	24.1 °C	38.1 °C	15.3 °C	30	17
February	31.0 °C	20.5 °C	24.7 °C	39.5 °C	16.4 °C	28	18
March	31.3 °C	20.9 °C	24.8 °C	39.1 °C	17.2 °C	30	19
April	30.0 °C	21.2 °C	24.5 °C	40.1 °C	17.7 °C	30	13
May	29.3 °C	22.3 °C	25.0 °C	39.0 °C	19.3 °C	31	9
June	29.7 °C	24.6 °C	26.6 °C	35.3 °C	21.0 °C	30	11
July	29.3 °C	25.4 °C	27.0 °C	33.8 °C	23.6 °C	31	7
August	28.7 °C	25.3 °C	26.7 °C	33.2 °C	23.1 °C	31	2
September	29.2 °C	25.4 °C	27.0 °C	32.0 °C	23.2 °C	30	5
October	30.3 °C	26.1 °C	27.9 °C	35.5 °C	22.7 °C	31	18
November	31.4 °C	24.5 °C	27.4 °C	37.1 °C	19.9 °C	30	24
December	30.7 °C	21.7 °C	25.4 °C	36.0 °C	17.6 °C	31	20

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	2 mm	0	11 h/day	43 %	45 %	18 km/h	21.5 °C
February	1 mm	0	12 h/day	37 %	46 %	19 km/h	20.6 °C
March	under 1 mm	0	12 h/day	27 %	54 %	19 km/h	20.3 °C
April	under 1 mm	0	12 h/day	30 %	64 %	20 km/h	20.5 °C
May	1 mm	0	13 h/day	34 %	71 %	19 km/h	23.0 °C
June	14 mm	2	13 h/day	51 %	76 %	19 km/h	26.3 °C
July	128 mm	14	13 h/day	72 %	80 %	18 km/h	28.0 °C
August	257 mm	23	13 h/day	81 %	84 %	17 km/h	28.4 °C
September	191 mm	20	12 h/day	74 %	84 %	15 km/h	28.6 °C
October	57 mm	8	12 h/day	49 %	80 %	14 km/h	29.2 °C
November	2 mm	0	12 h/day	48 %	65 %	15 km/h	27.5 °C
December	1 mm	0	11 h/day	49 %	51 %	17 km/h	23.9 °C

How Banjul 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
Banjul	31 °C	20 °C	654 mm	362
Serekunda · Gambia	31 °C	20 °C	664 mm	358
Kaolack · Senegal	37 °C	18 °C	502 mm	365
Ziguinchor · Senegal	37 °C	19 °C	1,157 mm	365
Mbour · Senegal	33 °C	18 °C	351 mm	364
Diourbel · Senegal	37 °C	18 °C	388 mm	365
Thiès · Senegal	34 °C	17 °C	355 mm	364

Where Banjul ranks

Ranking	Position	Value
The driest places in Africa in April	5th of 50	0.03 mm
The driest places in the world in April	5th of 50	0.03 mm
Warmest sea temperatures in Africa in October	5th of 50	29 °C
Warmest sea temperatures in Africa in September	6th of 50	29 °C
Warmest sea temperatures in Africa in July	7th of 50	28 °C
Best beach destinations in Africa in December	8th of 50	94/100

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

QuestionsCommon questions about Banjul’s climate

When is the best time to visit Banjul?

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

How hot does Banjul get?

In November, the warmest month, daily highs average 31 °C. About 163 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 20 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Banjul?

August, averaging 257 mm over 23 days with rain. The driest month is April with 0 mm. The year as a whole averages 654 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 Banjul 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: 13.453°, -16.578° (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.