Climate and monthly weather forecast
Saint-Denis, Reunion

The glorious landscape of the Saint-Denis city, on Reunion Island
The glorious landscape of the Saint-Denis city, on Reunion Island

The best time to visit Saint-Denis

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.

Weather in January

January is a hot summer month in Saint-Denis, Reunion, with an average temperature ranging between max 30.1°C (86.2°F) and min 23.5°C (74.3°F). January and February, with an average high-temperature of 30.1°C (86.2°F), are the warmest months. In Saint-Denis, during 13.3 rainfall days, 279mm (10.98") of precipitation is typically accumulated. Weather in January »

Weather in February

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

Weather in March

March, the first month of the autumn in Saint-Denis, is still a warm month, with an average temperature ranging between max 29.7°C (85.5°F) and min 23.2°C (73.8°F). In March, the average high-temperature is practically the same as in February - a moderately hot 29.7°C (85.5°F). Weather in March »

Weather in April

April, the same as March, is another warm autumn month in Saint-Denis, Reunion, with an average temperature varying between 22.1°C (71.8°F) and 29.1°C (84.4°F). In April, the average high-temperature is almost the same as in March - a still warm 29.1°C (84.4°F). Weather in April »

Weather in May

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

Weather in June

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

Weather in July

July, like June, in Saint-Denis, Reunion, is another warm winter month, 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). 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. Weather in July »

Weather in August

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

Weather in September

September, the first month of the spring in Saint-Denis, is still a warm month, with an average temperature fluctuating between 18.6°C (65.5°F) and 25.8°C (78.4°F). In September, the average high-temperature is relatively the same as in August - a still warm 25.8°C (78.4°F). Weather in September »

Weather in October

October, like September, in Saint-Denis, Reunion, is another warm spring month, with an average temperature ranging between min 19.6°C (67.3°F) and max 26.8°C (80.2°F). In October, the average high-temperature is practically the same as in September - a still moderately hot 26.8°C (80.2°F). Weather in October »

Weather in November

November, the last month of the spring in Saint-Denis, is also a moderately hot month, with an average temperature fluctuating between 20.9°C (69.6°F) and 28°C (82.4°F). An excellent water temperature of 25.3°C (77.5°F) and only 5.9 rainfall days, with 70mm (2.76") of accumulated rainfall, makes November a prime for swimming and other water activities. Weather in November »

Weather in December

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

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.

How many days does it rain in Saint-Denis?

Throughout the year, there are 119.3 rainfall days, and 1659mm (65.31") of precipitation is accumulated.

What are the months with the least sunshine in Saint-Denis?

January and October, with an average of 6.8h of sunshine, are months with the least sunshine.

What is the month with the highest UV index in Saint-Denis?

January through March, November and December, with an average maximum UV index of 12, are months with the highest UV index.

What is the wettest month in Saint-Denis?

February is the month with the most rainfall in Saint-Denis, Reunion. Rain falls for 14.3 days and accumulates 351mm (13.82") of precipitation.

What month is the sea warmest in Saint-Denis?

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

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

April and December, with an average of 7.4h of sunshine, are months with the most sunshine in Saint-Denis.

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

June has the shortest days of the year in Saint-Denis, with an average of 10h and 53min of daylight.

What is the month with the lowest UV index in Saint-Denis?

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

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.

What are the months with the coldest sea water 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, Reunion.

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 43mm (1.69") of precipitation.

When are the longest days in Saint-Denis?

The month with the longest days in Saint-Denis is December, with an average of 13h and 23min of daylight.

Is there Daylight Saving Time (DST) in Saint-Denis?

Saint-Denis, Reunion, does not utilize Daylight Saving Time (DST). +04 timezone is used throughout the entire year.

Average temperature
Saint-Denis, Reunion

Average temperature - Saint-Denis, Reunion

The warmest months (with the highest average high temperature) are January and February (30.1°C).
The month with the lowest average high temperature is July (25.2°C).

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (18°C).

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Average rainfall
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).

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Average rainfall days
Saint-Denis, Reunion

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).

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Average sea temperature
Saint-Denis, Reunion

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).

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Average daylight / Average sunshine
Saint-Denis, Reunion

Average daylight / Average sunshine - Saint-Denis, Reunion

The month with the longest days is December (Average daylight: 13h and 23min).
The month with the shortest days is June (Average daylight: 10h and 53min).

The months with the most sunshine are April and December (Average sunshine: 7h and 24min).
The months with the least sunshine are January and October (Average sunshine: 6h and 48min).

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Average UV index
Saint-Denis, Reunion

Average UV index - Saint-Denis, Reunion

The months with the highest UV index are January, February, March, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).

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