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Monthly climate in Port Louis, Mauritius

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Louis features a tropical monsoon climate (Am).Temperatures typically range between 21 °C (71 °F) and 26 °C (79 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 30 °C (87 °F).The average annual precipitation amounts to about 1062 mm (41.8 inches) and receives 200 rainy days on the 1 mm (0.04 inches) threshold annually.Port Louis enjoys an average of 4009 hours of sunshine throughout the year, and daylight varies from 10 hours 54 minutes to 13 hours 19 minutes per day.

Monthly average temperatures in Port Louis, Mauritius §

The warmest months in Port Louis are January, February and March, with daily mean temperatures ranging from 26 to 26 °C (79 - 79 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 21 to 22 °C (71 - 71 °F) throughout the day. On average each year, Port Louis experiences 216 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 Port Louis, Mauritius.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 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(82°F)		 26°C
(79°F)		 26°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(85°F)
Mean maximum 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(81°F)		 26°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 27°C
(80°F)		 28°C
(82°F)		 29°C
(84°F)
Average high 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(78°F)		 24°C
(76°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(78°F)		 26°C
(80°F)		 28°C
(82°F)
Daily mean 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(75°F)		 22°C
(72°F)		 21°C
(71°F)		 21°C
(71°F)		 22°C
(71°F)		 23°C
(74°F)		 24°C
(76°F)		 26°C
(78°F)
Average low 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(75°F)		 22°C
(72°F)		 21°C
(70°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 21°C
(70°F)		 22°C
(72°F)		 24°C
(75°F)
Mean minimum 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 20°C
(69°F)		 20°C
(68°F)		 19°C
(66°F)		 18°C
(65°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(69°F)		 23°C
(73°F)
Minimum 21°C
(71°F)		 23°C
(74°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(68°F)		 19°C
(67°F)		 18°C
(64°F)		 17°C
(63°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(66°F)		 22°C
(73°F)

Compare climate in Port Louis with other places

Compare temperature, precipitation, sunshine, UV index in Port Louis, Mauritius with other places around the world.

Monthly average precipitation in Port Louis, Mauritius §

Port Louis usually has the most precipitation in January, February and March, with an average of 24 rainy days and 177 mm (7.0 inches) of precipitation per month.The driest months in Port Louis are June, August and September. On average, 34 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Louis, Mauritius.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) 172 (6.8) 181 (7.1) 177 (7.0) 112 (4.4) 56 (2.2) 40 (1.6) 43 (1.7) 35 (1.4) 29 (1.1) 41 (1.6) 63 (2.5) 113 (4.5)
Average precipitation days (≥ 1 mm) 22 24 26 23 13 11 12 9 10 12 15 23

Monthly sunshine hours in Port Louis, Mauritius §

The sunniest months in Port Louis are October, November and December, when the sun shines an average of 12 hours 15 minutes a day.Least sunny months in Port Louis: January, June and July receive an average of 9 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Louis, Mauritius.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 303 330 346 316 321 297 311 324 330 364 372 391
Mean daily daylight hours 13h 11m 12h 44m 12h 10m 11h 36m 11h 8m 10h 54m 11h 1m 11h 26m 11h 58m 12h 33m 13h 3m 13h 19m

Solar UV radiation in Port Louis, Mauritius §

Port Louis experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Port Louis UV Index data.

Average daily maximum UV levels by month for Port Louis, Mauritius.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) 16 16 14 12 9 7 8 10 11 13 14 15