Thiès climate

Name: Thiès
Address: SN

Thiès is warmest in November, with average highs of 34 °C, and coldest in January, when nights average 17 °C. August is the wettest month (145 mm) and April the driest (0.05 mm). Figures are 1991–2020 climate normals.

Across a full year Thiès averages 355 mm of rain and 364 days above 25 °C.

Senegal · population 317,763 · 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 34 °C
Coldest month January 17 °C
Driest month April 0 mm
Wettest month August 145 mm
Least cloud March 28 % cloud
Hottest on record April 43 °C
Coldest on record January 12 °C
Warmest sea September 28 °C

What to expectThiès through the year

Thiès has a clear annual cycle: average daily highs run from 31 °C in January to 34 °C in November, a swing of 4.4 °C in mean temperature across the year.

Counted across a normal year, 364 days a year reach 25 °C, 300 of them reach 30 °C. The warmest reading in the 1991–2020 record is 43 °C, in April.

Rain is strongly seasonal. August averages 145 mm against 0 mm in April — 2,910 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Thiès is warmest in September at 28 °C and coldest in February at 19 °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	31.2 °C	2 mm	44 %
February	32.2 °C	1 mm	38 %
March	33.2 °C	under 1 mm	28 %
April	32.9 °C	under 1 mm	28 %
May	32.9 °C	under 1 mm	28 %
June	32.7 °C	3 mm	37 %
July	31.8 °C	49 mm	58 %
August	30.6 °C	145 mm	73 %
September	30.8 °C	117 mm	65 %
October	32.9 °C	34 mm	42 %
November	34.1 °C	1 mm	49 %
December	32.2 °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	31.2 °C	17.3 °C	23.1 °C	38.9 °C	11.7 °C	30	21
February	32.2 °C	18.0 °C	23.7 °C	40.7 °C	13.7 °C	28	21
March	33.2 °C	18.5 °C	24.2 °C	42.5 °C	14.1 °C	31	24
April	32.9 °C	18.7 °C	24.3 °C	43.2 °C	15.4 °C	30	23
May	32.9 °C	19.9 °C	25.1 °C	42.5 °C	16.8 °C	31	28
June	32.7 °C	21.8 °C	26.3 °C	40.8 °C	17.8 °C	30	29
July	31.8 °C	23.6 °C	27.0 °C	37.2 °C	20.0 °C	31	28
August	30.6 °C	24.1 °C	26.8 °C	35.8 °C	21.3 °C	31	22
September	30.8 °C	24.0 °C	26.9 °C	35.7 °C	20.3 °C	30	22
October	32.9 °C	23.7 °C	27.5 °C	40.9 °C	18.4 °C	31	29
November	34.1 °C	21.4 °C	26.7 °C	39.5 °C	16.4 °C	30	29
December	32.2 °C	18.8 °C	24.4 °C	38.2 °C	12.6 °C	31	25

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	44 %	36 %	20 km/h	20.5 °C
February	1 mm	0	12 h/day	38 %	40 %	21 km/h	19.1 °C
March	under 1 mm	0	12 h/day	28 %	48 %	21 km/h	19.2 °C
April	under 1 mm	0	12 h/day	28 %	57 %	22 km/h	19.9 °C
May	under 1 mm	0	13 h/day	28 %	62 %	20 km/h	21.7 °C
June	3 mm	1	13 h/day	37 %	70 %	18 km/h	24.9 °C
July	49 mm	7	13 h/day	58 %	74 %	17 km/h	27.1 °C
August	145 mm	15	13 h/day	73 %	80 %	16 km/h	27.9 °C
September	117 mm	14	12 h/day	65 %	83 %	14 km/h	28.3 °C
October	34 mm	5	12 h/day	42 %	74 %	15 km/h	28.1 °C
November	1 mm	0	11 h/day	49 %	53 %	17 km/h	26.1 °C
December	1 mm	0	11 h/day	49 %	41 %	19 km/h	23.3 °C

How Thiès 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
Thiès	34 °C	17 °C	355 mm	364
Thiès Nones · Senegal	33 °C	18 °C	355 mm	362
Rufisque · Senegal	32 °C	19 °C	292 mm	350
Mbour · Senegal	33 °C	18 °C	351 mm	364
Dakar · Senegal	30 °C	19 °C	287 mm	299
Diourbel · Senegal	37 °C	18 °C	388 mm	365
Touba · Senegal	38 °C	17 °C	369 mm	365

Where Thiès ranks

Ranking	Position	Value
The driest places in Africa in May	10th of 50	0.1 mm
Warmest sea temperatures in Africa in September	10th of 50	28 °C
The driest places in Africa in April	11th of 50	0.05 mm
The driest places in the world in April	11th of 50	0.05 mm
The driest places in the world in May	12th of 50	0.1 mm
Warmest sea temperatures in Africa in October	14th of 50	28 °C

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

QuestionsCommon questions about Thiès’s climate

When is the best time to visit Thiès?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, March 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 Thiès get?

In November, the warmest month, daily highs average 34 °C. About 300 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 17 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Thiès?

August, averaging 145 mm over 15 days with rain. The driest month is April with 0 mm. The year as a whole averages 355 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 Thiès 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: 14.789°, -16.926° (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.