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August Weather in Port-Louis, France

Last updated: August 23, 2025

In Port-Louis, France, the average temperature in August is a comfortable 18°C (65°F). During this month, you can expect temperatures to range from a chilly 12°C (53°F) to a warm 27°C (81°F). Be prepared for 52 mm (2.0 in) of precipitation over 10 days, contributing to an average humidity of 78%. Enjoy the mild conditions as you explore the beauty of this destination!

August Temperature in Port-Louis

In August in Port-Louis, the average temperature is 18°C (65°F), with maximums reaching 27°C (81°F) and minimums dropping to as low as 12°C (53°F). This mild climate makes it an ideal time for outdoor activities and exploration.

August Weather in Port-Louis: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Port-Louis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port-Louis, August typically has an average temperature of 18°C (65°F), with highs reaching up to 27°C (81°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec464749525762656462575149
Data source: Temperature data for Port-Louis generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Port-Louis

In Port-Louis in August, the precipitation amount is 52 mm (2.0 in) over the course of 10 days.

August Precipitation Trends in Port-Louis

The chart displays monthly precipitation patterns in Port-Louis, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Port-Louis, August typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec669072466267495247107100133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Port-Louis

In Port-Louis in August, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.

August Average Humidity in Port-Louis

This chart illustrates the average monthly humidity levels in Port-Louis, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Port-Louis is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%81%82%82%80%77%78%79%82%81%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Port-Louis

In Port-Louis in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Port-Louis.

Maximum UV Index Levels in Port-Louis for August

The chart shows the monthly maximum UV Index (UVI) for Port-Louis in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Port-Louis typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Port-Louis August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Port-Louis Compares to Other Months

Weather in Port-Louis varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Port-Louis, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Port-Louis, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)66 mm (2.6 inches)82%low
February Weather8°C (47°F)90 mm (3.5 inches)83%moderate
March Weather9°C (49°F)72 mm (2.8 inches)81%moderate
April Weather11°C (52°F)46 mm (1.8 inches)82%high
May Weather14°C (57°F)62 mm (2.4 inches)82%very high
June Weather17°C (62°F)67 mm (2.6 inches)80%very high
July Weather18°C (66°F)49 mm (1.9 inches)77%very high
August Weather18°C (65°F)52 mm (2.0 inches)78%very high
September Weather17°C (62°F)47 mm (1.8 inches)79%high
October Weather14°C (57°F)107 mm (4.2 inches)82%moderate
November Weather11°C (51°F)100 mm (3.9 inches)81%low
December Weather9°C (49°F)133 mm (5.2 inches)82%low

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