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

April weather forecast and climate
Saint-Denis, Reunion

An aerial panoramic shot of the glorious landscape of the Saint-Denis city, on Reunion Island
An aerial panoramic shot of the glorious landscape of the Saint-Denis city, on Reunion Island
April, like March, in Saint-Denis, Reunion, is a moderately hot autumn month, with average temperature ranging between min 22.1°C (71.8°F) and max 29.1°C (84.4°F).

Temperature

In April, the average high-temperature is practically the same as in March - a still moderately hot 29.1°C (84.4°F). In Saint-Denis, the average low-temperature is 22.1°C (71.8°F).

Rainfall

In Saint-Denis, in April, it is raining for 11.3 days, with typically 154.3mm (6.1") of accumulated precipitation. In Saint-Denis, Reunion, during the entire year, the rain falls for 119.3 days and collects up to 1658.6mm (65.3") of precipitation.

Sea temperature

In April, the average sea temperature is 27.7°C (81.9°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In April, the average length of the day in Saint-Denis, Reunion, is 11.6h.

Sunshine

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

UV index

In Saint-Denis, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 10 in April transform into the following instructions:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in April in Saint-Denis?

In Saint-Denis, Reunion, in April, the average high-temperature is 29.1°C (84.4°F), and the average low-temperature is 22.1°C (71.8°F).

How much does it rain in Saint-Denis in April?

In Saint-Denis, during April, the rain falls for 11.3 days and regularly aggregates up to 154.3mm (6.1") of precipitation.

How warm is the water in April in Saint-Denis?

In April, the average sea temperature is 27.7°C (81.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Saint-Denis have in April?

The average length of the day in April is 11.6h.

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.

How long on average sun shines in April in Saint-Denis?

In April, the average sunshine in Saint-Denis, Reunion, is 7.4h.

How high is the UV index in April in Saint-Denis?

The average daily maximum UV index in April is 10. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays.
Average temperature in April - Saint-Denis, Reunion
  • Average high temperature in April: 29.1°C

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).

  • Average low temperature in April: 22.1°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).

Average rainfall in April - Saint-Denis, Reunion
  • Average rainfall in April: 154.3mm

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

Average rainfall days in April - Saint-Denis, Reunion
  • Average rainfall days in April: 11.3 days

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

Average sea temperature in April - Saint-Denis, Reunion
  • Average sea temperature in April: 27.7°C

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

Average daylight in April / Average sunshine in April - Saint-Denis, Reunion
  • Average daylight in April: 11.6h

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

  • Average sunshine in April: 7.4h

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

Average UV index in April - Saint-Denis, Reunion
  • Average UV index in April: 10

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