Thiès weather in May

In May, Thiès has daytime highs averaging 33 °C, nights around 20 °C, with 0 wet days, and a sea temperature of 22 °C. Figures are 1991–2020 climate normals.

  1. Jan 23°
  2. Feb 24°
  3. Mar 24°
  4. Apr 24°
  5. May 25°
  6. Jun 26°
  7. Jul 27°
  8. Aug 27°
  9. Sep 27°
  10. Oct 28°
  11. Nov 27°
  12. Dec 24°

Daily temperatures through May

16° 26° 36° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 33.6 °C and lows bottom out at 18.9 °C.

How May develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 May 32.8 °C 19.4 °C 0 %
11–20 May 32.9 °C 19.8 °C 0 %
21–31 May 32.9 °C 20.4 °C 0 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 1, at 0 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 28 of 31 89 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 0 of 31 0 %

Conditions in May

MeasureAverage
Mean temperature 25 °C
Record high (1991–2020) 43 °C
Record low (1991–2020) 17 °C
Relative humidity 62 %
Wind speed 20 km/h
Cloud cover 28 %

Where Thiès ranks in May

Ranking Position Value
The driest places in Africa in May 10th of 50 0.1 mm
The driest places in the world in May 12th of 50 0.1 mm
Best beach destinations in Africa in May 45th of 50 81/100

May compared with the months around it

Month Avg high Rainfall Cloud
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 %

See all twelve months for Thiès

QuestionsMay in Thiès, answered

How warm is Thiès in May?

Daily highs average 33 °C and nights fall to about 20 °C, a spread of 13 °C between afternoon and dawn. That makes May the 7th warmest month of the year here.

Does it rain much in Thiès in May?

May averages under 1 mm of rain, spread over about 0 of the 31 days — 0 % of the month. Cloud cover averages 28 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 22 °C off Thiès in May. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in May?

Thiès averages 13 hours between sunrise and sunset in May. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

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: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.