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 snowfall in April
- Average snowfall 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
As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from an agreeable 70.7°F (21.5°C) to a warm 77.4°F (25.2°C). Slidell, during April nights, observes an average temperature of 61.7°F (16.5°C).Humidity
In Slidell, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 11 days. Throughout April, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Slidell, there are 173.3 rainfall days, and 30.79" (782mm) of precipitation is accumulated.Snowfall
In Slidell, Louisiana, snow does not fall in February through December.Daylight
The average length of the day in April is 12h and 56min.On the first day of April, sunrise is at 6:47 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:36 pm CDT.
Sunshine
The average sunshine in April is 9.9h.UV index
In Slidell, Louisiana, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: During April, 6 as the daily maximum UV index converts into the following advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are the temperatures in Slidell in April?
What is the average humidity in April in Slidell?
How much does it rain in Slidell in April?
When it does not snow in Slidell?
What is the average length of the day in April in Slidell?
When are sunrise and sunset in April in Slidell?
How long on average sun shines in April in Slidell?
What is the UV index intensity in April in Slidell?
Average temperature in April
Slidell, LA
- Average high temperature in April: 77.4°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in April: 61.7°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in April
Slidell, LA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in April
Slidell, LA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in April
Slidell, LA
- Average humidity in April: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Slidell, LA
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in April
Slidell, LA
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is August (23.5 days).
The month with the least rainy days is November (8 days).
Average snowfall in April
Slidell, LA
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Slidell, LA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).
Average daylight in April /
Average sunshine in April
Slidell, LA
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in April: 9h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Slidell, LA
- Average sunshine days in April: 16 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (5.1 days).
Average UV index in April
Slidell, LA
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Slidell, LA
- Average cloud cover in April: 32
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in April
Slidell, LA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Slidell, Louisiana, USA
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