April weather forecast
Old Jefferson, LA

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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.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Old Jefferson?

An average high-temperature, in April, in Old Jefferson, is 78.4°F (25.8°C) and the average low-temperature is 58.8°F (14.9°C).

What is the average humidity in April?

In Old Jefferson, the average relative humidity in April is 77%.

How many days does it rain in April?

In April, the rain falls for 12.5 days. Throughout April, 2.99" (76mm) of precipitation is accumulated.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Old Jefferson have in April?

The average day length in April is 12h and 56min.

When is the sunrise / sunset in April?

In April, on the first day of the month, 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.

How long on average sun shines in April?

In April, the average sunshine duration is 9.1h.

What is the UV index intensity in April?

In Old Jefferson, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Old Jefferson, LA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in April - Old Jefferson, 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 1min

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 - 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 - 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 - 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 - 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).

Old Jefferson, Louisiana, USA

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