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
A rise in the average high-temperature is observed during April, moving from a refreshing 67.3°F (19.6°C) in March to a moderately hot 76.6°F (24.8°C). Nightfall in April introduces a considerable dip in temperature, settling at an average of 54.9°F (12.7°C).Humidity
In April, the average relative humidity in Jefferson is 73%.Rainfall
The wettest months are April and December, with an average 3.74" (95mm) of rainfall.Snowfall
March through October are months without snowfall in Jefferson.Daylight
In Jefferson, Alabama, the average length of the day in April is 13h and 0min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:11 pm. On the last day of April, in Jefferson, sunrise is at 6:05 am and sunset at 7:32 pm CDT.
Sunshine
In April, the average sunshine is 9.5h.UV index
In Jefferson, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during April leads to these advisories:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Jefferson in April?
What is the average humidity in April in Jefferson?
What is the wettest month in Jefferson?
How many days does it rain in April in Jefferson?
When it does not snow in Jefferson?
What is the average length of the day in April in Jefferson?
When are sunrise and sunset in April in Jefferson?
How many hours of sunshine does Jefferson have in April?
How high is the UV index in April in Jefferson?
Average temperature in April
Jefferson, AL
- Average high temperature in April: 76.6°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in April: 54.9°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in April
Jefferson, AL
- 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
Jefferson, AL
- Average wind speed in April: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
Jefferson, AL
- Average humidity in April: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Jefferson, AL
- Average rainfall in April: 3.74"
The wettest months (with the highest rainfall) are April and December (3.74").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in April
Jefferson, AL
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in April
Jefferson, AL
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in April
Jefferson, AL
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Jefferson, AL
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in April: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in April
Jefferson, AL
- Average sunshine days in April: 17.1 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in April
Jefferson, AL
- Average UV index in April: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in April
Jefferson, AL
- Average cloud cover in April: 34
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in April
Jefferson, AL
- 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, Alabama, USA
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