April weather forecastOld Jefferson, LA
April
Weather in April
April in Old Jefferson, Louisiana, is a warm spring month, with an average temperature varying between 58.8°F (14.9°C) and 78.4°F (25.8°C).Temperature
April's arrival sees a mild rise in the average high-temperature, transitioning from March's agreeable 71.4°F (21.9°C) to a warm 78.4°F (25.8°C). Old Jefferson, in April, witnesses an average low-temperature of 58.8°F (14.9°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Old Jefferson, in April, during 12.5 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Old Jefferson, during the entire year, the rain falls for 187.5 days and collects up to 40" (1016mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
The average length of the day in April is 12h and 56min.On the first day of April in Old Jefferson, sunrise is at 6:52 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:41 pm CDT.
Sunshine
The average sunshine in April is 9.1h.UV index
The average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during April translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Old Jefferson, LA
- Average high temperature in April: 78.4°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in April: 58.8°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in April
Old Jefferson, LA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in April
Old Jefferson, LA
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in April
Old Jefferson, LA
- Average humidity in April: 77%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Old Jefferson, LA
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in April
Old Jefferson, LA
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in April
Old Jefferson, 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 and November (0").
Average snowfall days in April
Old Jefferson, 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, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Old Jefferson, LA
- Average daylight in April: 12h and 54min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Old Jefferson, LA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in April
Old Jefferson, 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
Old Jefferson, LA
- Average cloud cover in April: 38
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in April
Old Jefferson, LA
- Average visibility in April: 5mi
The months with the highest visibility are January, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August and September (5mi).
