April weather forecastSaint-Pierre, Reunion
April
Weather in April
April weather conditions in Saint-Pierre bring a noticeable shift from the preceding months. The high and low temperatures begin to fall, bringing cooler days and nights. Coupled with this change, rainfall drops significantly to 84mm (3.31") compared to 119mm (4.69") in March. This reduction in rainfall heralds the beginning of the dry season. Furthermore, the average wind speed values hover around the same mark as the previous month, maintaining a slight breeze throughout the day. This month marks the turn of seasons, with lesser rain and cooler temperatures, making it a pleasant time for travel and outdoor activities.Temperature
April brings an average high-temperature of a still moderately hot 25.3°C (77.5°F) in Saint-Pierre, showing a slight difference from March's 26.3°C (79.3°F). With a barely noticeable fluctuation in temperature, Saint-Pierre reaches an average low of 22.8°C (73°F) during the April nights.Humidity
January through April, with an average relative humidity of 81%, are the most humid months.Rainfall
In Saint-Pierre, in April, it is raining for 19.8 days, with typically 84mm (3.31") of accumulated precipitation. Throughout the year, in Saint-Pierre, Reunion, there are 207.9 rainfall days, and 756mm (29.76") of precipitation is accumulated.Sea temperature
In Saint-Pierre, in April, the average water temperature is 27.6°C (81.7°F).Note: In any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.
Daylight
The average length of the day in April is 11h and 36min.On the first day of the month, sunrise is at 06:25 and sunset at 18:18. On the last day of April, sunrise is at 06:35 and sunset at 17:55 +04.
Sunshine
In April, the average sunshine in Saint-Pierre is 7.9h.UV index
The months with the lowest UV index are January, March through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during April leads to these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Saint-Pierre, Reunion
- Average high temperature in April: 25.3°C
The warmest months (with the highest average high temperature) are January, February and March (26.3°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in April: 22.8°C
The months with the highest average low temperature are January and February (24.3°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).
Average pressure in April
Saint-Pierre, Reunion
- Average pressure in April: 1014.7mbar
The month with the highest atmospheric pressure is August (1021.5mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).
Average wind speed in April
Saint-Pierre, Reunion
- Average wind speed in April: 16.7km/h
The windiest month (with the highest average wind speed) is July (19.8km/h).
The calmest month (with the lowest average wind speed) is November (13.4km/h).
Average humidity in April
Saint-Pierre, Reunion
- Average humidity in April: 81%
The months with the highest relative humidity are January, February, March and April (81%).
The months with the lowest relative humidity are July, August and September (77%).
Average rainfall in April
Saint-Pierre, Reunion
- Average rainfall in April: 84mm
The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in April
Saint-Pierre, Reunion
- Average rainfall days in April: 19.8 days
The month with the highest number of rainy days is March (24.9 days).
The month with the least rainy days is September (9.5 days).
Average sea temperature in April
Saint-Pierre, Reunion
- Average sea temperature in April: 27.6°C
The best month for swimming (with the highest average sea temperature) is March (28.4°C).
The coldest month (with the lowest average sea temperature) is September (23.7°C).
Average daylight in April /
Average sunshine in April
Saint-Pierre, Reunion
- Average daylight in April: 11h and 36min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in April: 7h and 54min
The month with the most sunshine is October (Average sunshine: 10h and 54min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).
Average sunshine days in April
Saint-Pierre, Reunion
- Average sunshine days in April: 5.3 days
The month with the most sunshine days is August (13.5 days).
The month with the least sunshine days is February (1.7 days).
Average UV index in April
Saint-Pierre, Reunion
- Average UV index in April: 6
The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in April
Saint-Pierre, Reunion
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 21).
Average visibility in April
Saint-Pierre, Reunion
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





