Monthly Climate
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Best time to visit Thiès

January is the best time to visit Thiès for general sightseeing, with average highs of 31 °C and about 0 wet days. The comfortable season runs roughly December to June. The sea stays above 20 °C from May to January.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking January comfort 75/100
A beach holiday June sea 25 °C
The least cloud March 28 % average cloud cover
The least rain April 0 mm
Warmth November 34 °C
Cooler weather August 31 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 January 75 31 °C 0 82
2 December 72 32 °C 0 88
3 February 72 32 °C 0 74
4 April 69 33 °C 0 75
5 March 69 33 °C 0 71
6 May 68 33 °C 0 81
7 June 65 33 °C 1 88
8 November 65 34 °C 0 83
9 October 62 33 °C 5 81
10 July 62 32 °C 7 82
11 September 54 31 °C 14 69
12 August 52 31 °C 15 68

For a beach holiday

June scores highest, with a sea temperature of 25 °C and air temperatures around 33 °C. The sea is above 20 °C from May to January.

Month Sea Air Sunshine Beach score
January 21 °C 31 °C 44 % 82
February 19 °C 32 °C 38 % 74
March 19 °C 33 °C 28 % 71
April 20 °C 33 °C 28 % 75
May 22 °C 33 °C 28 % 81
June 25 °C 33 °C 37 % 88
July 27 °C 32 °C 58 % 82
August 28 °C 31 °C 73 % 68
September 28 °C 31 °C 65 % 69
October 28 °C 33 °C 42 % 81
November 26 °C 34 °C 49 % 83
December 23 °C 32 °C 49 % 88

When to think twice

August scores lowest with about 15 wet days and highs near 31 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

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 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. 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.