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Monthly climate in Saint-Louis, Senegal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint-Louis features a hot desert climate (BWh).Temperatures typically range between 22 °C (71 °F) and 28 °C (83 °F) through the year, but rarely can drop to 16 °C (60 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 116 mm (4.6 inches) and receives 14 rainy days on the 1 mm (0.04 inches) threshold annually.Saint-Louis enjoys an average of 3776 hours of sunshine throughout the year, and daylight varies from 11 hours 10 minutes to 13 hours 3 minutes per day.

Monthly average temperatures in Saint-Louis, Senegal §

The warmest months in Saint-Louis are August, September and October, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 22 to 22 °C (71 - 72 °F) throughout the day. On average each year, Saint-Louis experiences 242 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint-Louis, Senegal.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 31°C
(89°F)		 32°C
(90°F)		 34°C
(93°F)		 36°C
(98°F)		 35°C
(95°F)		 32°C
(90°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(94°F)		 36°C
(96°F)		 34°C
(94°F)		 33°C
(91°F)
Mean maximum 29°C
(85°F)		 29°C
(84°F)		 30°C
(87°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(87°F)		 29°C
(85°F)		 31°C
(87°F)		 32°C
(90°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)
Average high 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 27°C
(80°F)		 28°C
(82°F)		 29°C
(84°F)		 30°C
(86°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)
Daily mean 22°C
(73°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(83°F)		 26°C
(79°F)		 24°C
(75°F)
Average low 19°C
(67°F)		 19°C
(67°F)		 19°C
(67°F)		 19°C
(67°F)		 20°C
(69°F)		 23°C
(74°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(80°F)		 24°C
(75°F)		 21°C
(70°F)
Mean minimum 17°C
(63°F)		 17°C
(63°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(66°F)		 21°C
(71°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(76°F)		 21°C
(70°F)		 19°C
(66°F)
Minimum 16°C
(60°F)		 16°C
(60°F)		 17°C
(62°F)		 17°C
(62°F)		 18°C
(64°F)		 19°C
(67°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(77°F)		 24°C
(75°F)		 20°C
(68°F)		 17°C
(63°F)

Compare climate in Saint-Louis with other places

Compare temperature, precipitation, sunshine, UV index in Saint-Louis, Senegal with other places around the world.

Monthly average precipitation in Saint-Louis, Senegal §

Saint-Louis usually has the most precipitation in August, September and October, with an average of 4 rainy days and 35 mm (1.4 inches) of precipitation per month.The driest months in Saint-Louis are January, April and May. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint-Louis, Senegal.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.1) 6 (0.2) 48 (1.9) 49 (1.9) 9 (0.4) 0 (0.0) 0 (0.0)
Average precipitation days (≥ 1 mm) 0 0 0 0 0 0 1 7 6 0 0 0

Monthly sunshine hours in Saint-Louis, Senegal §

The sunniest months in Saint-Louis are March, May and July, when the sun shines an average of 11 hours 3 minutes a day.Least sunny months in Saint-Louis: January, February and November receive an average of 9 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint-Louis, Senegal.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 245 283 335 335 353 331 339 331 309 318 293 297
Mean daily daylight hours 11h 16m 11h 36m 12h 2m 12h 29m 12h 52m 13h 3m 12h 57m 12h 37m 12h 11m 11h 44m 11h 22m 11h 10m

Solar UV radiation in Saint-Louis, Senegal §

Saint-Louis experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.January, February and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Saint-Louis UV Index data.

Average daily maximum UV levels by month for Saint-Louis, Senegal.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 10 12 14 13 13 13 13 13 12 10 8