Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Saint-Louis's shift into April is marked by a subtle change to a still moderately hot 25.3°C (77.5°F) from March's 26.3°C (79.3°F) in temperature. Saint-Louis's April nights experience a subtle temperature dip to an average of 22.8°C (73°F).Humidity
The months with the highest humidity are January through April, with an average relative humidity of 81%.Rainfall
In Saint-Louis, in April, during 19.8 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Saint-Louis, during the entire year, the rain falls for 207.9 days and collects up to 756mm (29.76") of precipitation.Daylight
In Saint-Louis, 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 Saint-Louis, the average sunshine in April 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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In April, a daily UV index of 6 turns into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Saint-Louis?
What are the most humid months in Saint-Louis?
What is the average humidity in April in Saint-Louis?
How many days does it rain in April in Saint-Louis?
What is the average length of the day in April in Saint-Louis?
What time are sunrise and sunset in April in Saint-Louis?
How many hours of sunshine does Saint-Louis have in April?
What are the months with the lowest UV index in Saint-Louis?
How high is the UV index in April in Saint-Louis?
Average temperature in April
Saint-Louis, 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-Louis, 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-Louis, 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-Louis, 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-Louis, 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-Louis, 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 daylight in April /
Average sunshine in April
Saint-Louis, Reunion
- Average daylight in April: 11h and 4min
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 5min
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-Louis, 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-Louis, 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-Louis, 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-Louis, 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).
Saint-Louis, Reunion
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