Saint-Denis
Reunion
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Saint-Denis, Reunion

November is the best period for swimming and other water activities in Saint-Denis, Reunion, as the sea temperature is 25.3°C (77.5°F), the rain falls for only 5.9 days, and 70mm (2.76") of rainfall is accumulated.

January in Saint-Denis, Reunion, is a tropical summer month, with average temperature varying between 30.1°C (86.2°F) and 23.5°C (74.3°F). The warmest months are January and February, with an average high-temperature of 30.1°C (86.2°F). In January, the rain falls for 13.3 days. Weather in January »

February, the last month of the summer, in Saint-Denis, is another hot month, with average temperature varying between 23.7°C (74.7°F) and 30.1°C (86.2°F). The warmest months are January and February, with an average high-temperature of 30.1°C (86.2°F). Weather in February »

The first month of the autumn, March, is still a warm month in Saint-Denis, Reunion, with average temperature varying between 29.7°C (85.5°F) and 23.2°C (73.8°F). In March, the average high-temperature is almost the same as in February - a warm 29.7°C (85.5°F). Weather in March »

April, the same as March, is a moderately hot autumn month in Saint-Denis, Reunion, with average temperature ranging between min 22.1°C (71.8°F) and max 29.1°C (84.4°F). In Saint-Denis, the average high-temperature is essentially the same as in March - a still warm 29.1°C (84.4°F). Weather in April »

The last month of the autumn, May, is also a moderately hot month in Saint-Denis, Reunion, with average temperature varying between 27.5°C (81.5°F) and 20.6°C (69.1°F). In Saint-Denis, the average high-temperature is essentially the same as in April - a still moderately hot 27.5°C (81.5°F). Weather in May »

June, the first month of the winter, in Saint-Denis, is still a warm month, with average temperature fluctuating between 26.1°C (79°F) and 18.9°C (66°F). In June, the average high-temperature is relatively the same as in May - a still moderately hot 26.1°C (79°F). Weather in June »

July, the same as June, is a moderately hot winter month in Saint-Denis, Reunion, with temperature in the range of an average high of 25.2°C (77.4°F) and an average low of 18.1°C (64.6°F). The coldest month is July, with an average high-temperature of 25.2°C (77.4°F) and an average low-temperature of 18.1°C (64.6°F). Weather in July »

The last month of the winter, August, is another warm month in Saint-Denis, Reunion, with average temperature fluctuating between 18°C (64.4°F) and 25.3°C (77.5°F). In Saint-Denis, the average high-temperature is almost the same as in July - a still warm 25.3°C (77.5°F). Weather in August »

The first month of the spring, September, is also a moderately hot month in Saint-Denis, Reunion, with average temperature varying between 25.8°C (78.4°F) and 18.6°C (65.5°F). In September, the average high-temperature is almost the same as in August - a still moderately hot 25.8°C (78.4°F). Weather in September »

October, the same as September, is another warm spring month in Saint-Denis, Reunion, with average temperature varying between 26.8°C (80.2°F) and 19.6°C (67.3°F). In Saint-Denis, the average high-temperature in October is relatively the same as in September - a still warm 26.8°C (80.2°F). Weather in October »

The last month of the spring, November, is another warm month in Saint-Denis, Reunion, with average temperature fluctuating between 20.9°C (69.6°F) and 28°C (82.4°F). The ideal sea water temperature of 25.3°C (77.5°F) and only 5.9 rainfall days, with 70mm (2.76") of accumulated rainfall, makes November the best time for swimming and other water activities. Weather in November »

The first month of the summer, December, is also a moderately hot month in Saint-Denis, Reunion, with average temperature fluctuating between 22.4°C (72.3°F) and 29.1°C (84.4°F). In December, the average high-temperature is relatively the same as in November - a still moderately hot 29.1°C (84.4°F). Weather in December »

What are the warmest months in Saint-Denis?

January and February, with an average high-temperature of 30.1°C (86.2°F), are warmest months in Saint-Denis.

How many days does it rain in Saint-Denis?

Throughout the year, there are 119.3 rainfall days, and 1658.6mm (65.3") of precipitation is accumulated.

What is the month with the least sunshine in Saint-Denis?

Months with the least sunshine in Saint-Denis, Reunion, are January and October, with an average of 6.8h of sunshine.

What are the months with the highest UV index in Saint-Denis?

Months with the highest UV index in Saint-Denis, Reunion, are January through March, November and December, with an average maximum UV index of 12.

What is the wettest month in Saint-Denis?

The month with the most rainfall in Saint-Denis is February when the rain falls for 14.3 days and typically aggregates up to 351mm (13.82") of precipitation.

What month is the sea warmest in Saint-Denis?

March is the month with the warmest seawater, with an average sea temperature of 28.5°C (83.3°F).

What is the month with the most sunshine in Saint-Denis?

Months with the most sunshine are April and December, with an average of 7.4h of sunshine.

What is the month with the shortest days in Saint-Denis?

With an average of 10.9h of daylight, June has the shortest days of the year.

When is the lowest UV index in Saint-Denis?

Months with the lowest UV index in Saint-Denis are June and July, with an average maximum UV index of 6.

What is the coldest month in Saint-Denis?

With an average high-temperature of 25.2°C (77.4°F) and an average low-temperature of 18.1°C (64.6°F), July is the coldest month in Saint-Denis.

When is the sea coldest in Saint-Denis?

August and September, with an average sea temperature of 23.8°C (74.8°F), are months with the coldest seawater in Saint-Denis.

What is the driest month in Saint-Denis?

The month with the least rainfall in Saint-Denis is October when the rain falls for 7.1 days and typically collects 43.4mm (1.71") of precipitation.

When are the longest days in Saint-Denis?

With an average of 13.4h of daylight, December has the longest days of the year in Saint-Denis.
Average temperature - Saint-Denis, Reunion
Average rainfall - Saint-Denis, Reunion

The wettest month (with the highest rainfall) is February (351mm).
The driest month (with the least rainfall) is October (43.4mm).

Average rainfall days - Saint-Denis, Reunion

The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is November (5.9 days).

Average sea temperature - Saint-Denis, Reunion

The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest months (with the lowest average sea temperature) are August and September (23.8°C).

Average daylight / Average sunshine - Saint-Denis, Reunion

The month with the longest days is December (Average daylight: 13.4h).
The month with the shortest days is June (Average daylight: 10.9h).

Months with the most sunshine are April and December (Average sunshine: 7.4h).
Months with the least sunshine are January and October (Average sunshine: 6.8).

Average UV index - Saint-Denis, Reunion