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Monthly climate in Rosso, Mauritania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rosso features a hot desert climate (BWh).Temperatures typically range between 25 °C (77 °F) and 32 °C (89 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 46 °C (115 °F).The average annual precipitation amounts to about 121 mm (4.7 inches) and receives 17 rainy days on the 1 mm (0.04 inches) threshold annually.Rosso enjoys an average of 3753 hours of sunshine throughout the year, and daylight varies from 11 hours 9 minutes to 13 hours 4 minutes per day.

Monthly average temperatures in Rosso, Mauritania §

The warmest months in Rosso are June, September and October, with daily mean temperatures ranging from 30 to 32 °C (86 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 25 to 26 °C (77 - 79 °F) throughout the day. On average each year, Rosso experiences 329 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 Rosso, Mauritania.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 39°C
(102°F)		 39°C
(103°F)		 44°C
(112°F)		 44°C
(111°F)		 46°C
(115°F)		 45°C
(114°F)		 44°C
(112°F)		 43°C
(110°F)		 43°C
(110°F)		 43°C
(109°F)		 42°C
(108°F)		 38°C
(101°F)
Mean maximum 36°C
(98°F)		 38°C
(100°F)		 41°C
(106°F)		 42°C
(108°F)		 44°C
(112°F)		 44°C
(112°F)		 40°C
(104°F)		 39°C
(103°F)		 40°C
(105°F)		 42°C
(108°F)		 41°C
(106°F)		 37°C
(99°F)
Average high 32°C
(91°F)		 34°C
(93°F)		 36°C
(96°F)		 37°C
(99°F)		 38°C
(101°F)		 38°C
(101°F)		 36°C
(96°F)		 35°C
(96°F)		 36°C
(97°F)		 39°C
(102°F)		 37°C
(98°F)		 33°C
(92°F)
Daily mean 25°C
(77°F)		 26°C
(79°F)		 27°C
(82°F)		 29°C
(84°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 32°C
(89°F)		 29°C
(85°F)		 26°C
(78°F)
Average low 18°C
(65°F)		 19°C
(67°F)		 20°C
(69°F)		 22°C
(71°F)		 22°C
(72°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(79°F)		 23°C
(73°F)		 19°C
(67°F)
Mean minimum 15°C
(59°F)		 16°C
(61°F)		 17°C
(62°F)		 17°C
(64°F)		 19°C
(66°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(75°F)		 22°C
(73°F)		 19°C
(66°F)		 16°C
(61°F)
Minimum 14°C
(57°F)		 14°C
(58°F)		 16°C
(61°F)		 16°C
(61°F)		 18°C
(64°F)		 20°C
(68°F)		 23°C
(73°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(71°F)		 18°C
(65°F)		 15°C
(59°F)

Compare climate in Rosso with other places

Compare temperature, precipitation, sunshine, UV index in Rosso, Mauritania with other places around the world.

Monthly average precipitation in Rosso, Mauritania §

Rosso usually has the most precipitation in August, September and October, with an average of 5 rainy days and 36 mm (1.4 inches) of precipitation per month.The driest months in Rosso are January, February and May. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rosso, Mauritania.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) 1 (0.0) 0 (0.0) 0 (0.0) 3 (0.1) 8 (0.3) 43 (1.7) 54 (2.1) 12 (0.5) 0 (0.0) 0 (0.0)
Average precipitation days (≥ 1 mm) 0 0 0 0 0 0 1 6 8 2 0 0

Monthly sunshine hours in Rosso, Mauritania §

The sunniest months in Rosso are March, May and July, when the sun shines an average of 11 hours 3 minutes a day.Least sunny months in Rosso: January, February and November receive an average of 9 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rosso, Mauritania.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 243 280 334 334 351 329 341 329 310 314 289 293
Mean daily daylight hours 11h 15m 11h 35m 12h 2m 12h 30m 12h 53m 13h 4m 12h 58m 12h 38m 12h 11m 11h 44m 11h 21m 11h 9m

Solar UV radiation in Rosso, Mauritania §

Rosso 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 Rosso UV Index data.

Average daily maximum UV levels by month for Rosso, Mauritania.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 13 13 13 13 13 14 12 10 8