Port-Louis Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port-Louis.
Climate overview of Port-Louis
Port-Louis, Grande-Terre, Guadeloupe, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 28°C (82°F), peaking in September at 30°C (86°F) and dipping in February to 27°C (81°F).
With around 1115 mm (44 in) of annual rainfall, Port-Louis has a notably wet climate. The wettest month is October. Sunshine peaks in August, when the city sees around 8.3 hours of sunshine per day.
Port-Louis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port-Louis - and find the best time to visit.
Monthly Temperature in Port-Louis
With minimal seasonal shifts, Port-Louis experiences a constant climate year-round. Average daytime temperatures reach a comfortable 30°C (86°F) in September. In February, the coolest month of the year, temperatures drop to a comfortable 27°C (81°F).
At night, temperatures range from around 26°C (79°F) in September to 24°C (75°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port-Louis
Port-Louis has a notably wet climate with abundant precipitation, recording 1115 mm (44 in) of rainfall per year. Port-Louis can be quite wet during October, receiving approximately 143 mm (5.6 in) of precipitation over 19 rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 45 mm (1.8 in) of precipitation spread across 13 rainy days. For more details, please visit our Port-Louis Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Port-Louis
Despite minor fluctuations, Port-Louis enjoys a fairly consistent amount of sunshine throughout the year. In August, you can expect approximately 8.3 hours of daily sunshine, while even in November, Port-Louis still receives about 6.9 hours.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Port-Louis
The mean water temperature over the year ranges from 26°C (79°F) in January to 29°C (84°F) in September.
Water temperature over the year
Humidity in Port-Louis by Month
The relative humidity is high throughout the year in Port-Louis.
The city experiences its highest humidity in September, reaching 82%. In February, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Port-Louis
The mean wind speed over the year ranges from 2 m/s (4 knots) in October, November and December to 4 m/s (8 knots) in May and June. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Port-Louis
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May, June and December
- Warmest weather: May, June, July, August, September, October and November
- Most sunshine: January, April, May, June, July and August
- Fewer rainy days: February, March, April, May and June
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
Frequently asked questions about the climate in Port-Louis
What is the best time to visit Port-Louis?
January, February, March, April, May, June and December typically offer the most optimal weather in Port-Louis. In contrast, September tends to have less optimal conditions.
What temperatures can I expect in Port-Louis?
Daytime highs range from 27°C (81°F) in February to 30°C (86°F) in September. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Port-Louis get?
Annual rainfall is around 1115 mm (44 in). October is the wettest month with 143 mm (5.6 in), while March is the driest with 45 mm (1.8 in).
How sunny is Port-Louis?
Port-Louis receives around 2,781 hours of sunshine per year. August is the sunniest month with 248 hours, while November is the cloudiest with just 207 hours. Overall, Port-Louis enjoys abundant sunshine.
Port-Louis 3-Day Forecast
Port-Louis 3-Day Forecast
Port-Louis on the map
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