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Monthly climate in Saint-Louis, Réunion, Réunion

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint-Louis features a oceanic climate (Cfb).Temperatures typically range between 17 °C (63 °F) and 23 °C (73 °F) through the year, but rarely can drop to 11 °C (53 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1588 mm (62.5 inches) and receives 245 rainy days on the 1 mm (0.04 inches) threshold annually.Saint-Louis enjoys an average of 4035 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 23 minutes per day.

Monthly average temperatures in Saint-Louis, Réunion, Réunion §

The warmest months in Saint-Louis are January, February and March, with daily mean temperatures ranging from 23 to 23 °C (73 - 73 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 17 to 18 °C (63 - 64 °F) throughout the day. On average each year, Saint-Louis experiences 89 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, Réunion, Réunion.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 29°C
(85°F)		 29°C
(85°F)		 28°C
(82°F)		 27°C
(81°F)		 25°C
(78°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(76°F)		 26°C
(80°F)		 27°C
(81°F)		 28°C
(83°F)
Mean maximum 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(76°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(74°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(81°F)
Average high 26°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 24°C
(76°F)		 22°C
(72°F)		 21°C
(69°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(70°F)		 22°C
(73°F)		 24°C
(75°F)		 25°C
(78°F)
Daily mean 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(71°F)		 20°C
(67°F)		 18°C
(65°F)		 17°C
(63°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(67°F)		 20°C
(69°F)		 22°C
(72°F)
Average low 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(68°F)		 18°C
(64°F)		 16°C
(61°F)		 15°C
(59°F)		 15°C
(59°F)		 15°C
(60°F)		 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)
Mean minimum 19°C
(66°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(64°F)		 15°C
(60°F)		 14°C
(58°F)		 13°C
(56°F)		 12°C
(55°F)		 13°C
(56°F)		 14°C
(58°F)		 16°C
(60°F)		 18°C
(64°F)
Minimum 17°C
(63°F)		 19°C
(66°F)		 18°C
(64°F)		 16°C
(61°F)		 14°C
(58°F)		 13°C
(56°F)		 12°C
(54°F)		 11°C
(53°F)		 12°C
(54°F)		 14°C
(57°F)		 13°C
(56°F)		 17°C
(62°F)

Compare climate in Saint-Louis with other places

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

Monthly average precipitation in Saint-Louis, Réunion, Réunion §

Saint-Louis usually has the most precipitation in January, February and March, with an average of 24 rainy days and 234 mm (9.2 inches) of precipitation per month.The driest months in Saint-Louis are July, August and September. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint-Louis, Réunion, Réunion.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) 230 (9.1) 229 (9.0) 242 (9.5) 179 (7.0) 85 (3.3) 75 (2.9) 69 (2.7) 64 (2.5) 58 (2.3) 88 (3.5) 128 (5.0) 142 (5.6)
Average precipitation days (≥ 1 mm) 21 24 27 24 20 20 19 14 14 18 20 24

Monthly sunshine hours in Saint-Louis, Réunion, Réunion §

The sunniest months in Saint-Louis are October, November and December, when the sun shines an average of 12 hours 16 minutes a day.Least sunny months in Saint-Louis: January, June and July receive an average of 9 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint-Louis, Réunion, Réunion.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 304 336 352 315 318 301 313 329 334 365 371 393
Mean daily daylight hours 13h 14m 12h 46m 12h 10m 11h 34m 11h 5m 10h 50m 10h 58m 11h 23m 11h 58m 12h 34m 13h 6m 13h 23m

Solar UV radiation in Saint-Louis, Réunion, Réunion §

Saint-Louis experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 17, 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 Saint-Louis UV Index data.

Average daily maximum UV levels by month for Saint-Louis, Réunion, Réunion.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 17 14 12 9 7 8 10 11 13 14 15