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
The start of April signals a slight increase in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in March to a moderately hot 76.6°F (24.8°C). In Jefferson, April is marked by an average low-temperature of 63.5°F (17.5°C).Humidity
In Jefferson, the average relative humidity in April is 74%.Rainfall
In Jefferson, Louisiana, in April, during 6.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Jefferson, during the entire year, the rain falls for 104.1 days and collects up to 8.39" (213mm) of precipitation.Daylight
In April, the average length of the day is 12h and 55min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:19 pm. On the last day of April, sunrise is at 6:17 am and sunset at 7:37 pm CDT.
Sunshine
In Jefferson, the average sunshine in April is 9.7h.UV index
In Jefferson, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 during April translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Jefferson in April?
What is the average humidity in April?
How many days does it rain in April in Jefferson?
How many hours of daylight does Jefferson have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Jefferson have in April?
How high is the UV index in April?
Average temperature in April
Jefferson, LA
- Average high temperature in April: 76.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in April: 63.5°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).
Average pressure in April
Jefferson, LA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in April
Jefferson, LA
- Average wind speed in April: 9.5mph
The windiest months (with the highest average wind speed) are February and April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in April
Jefferson, LA
- Average humidity in April: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Jefferson, LA
- Average rainfall in April: 0.47"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.39").
Average rainfall days in April
Jefferson, LA
- Average rainfall days in April: 6.8 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is November (4.5 days).
Average daylight in April /
Average sunshine in April
Jefferson, LA
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Jefferson, LA
- Average sunshine days in April: 22.1 days
The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in April
Jefferson, LA
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Jefferson, 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
Jefferson, 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).
Jefferson, Louisiana, USA
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