April weather forecastJefferson, AL
April
Weather in April
April in Jefferson, Alabama, is a warm spring month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 76.6°F (24.8°C).Temperature
In April, the average high-temperature increases from a comfortable 67.3°F (19.6°C) in March to a warm 76.6°F (24.8°C). Jefferson receives a consistent average low-temperature of 54.9°F (12.7°C) in April, a substantial dip from the day's heat.Humidity
In Jefferson, the average relative humidity in April is 73%.Rainfall
The wettest months are April and December, with an average 3.74" (95mm) of rainfall.Snowfall
In Jefferson, snow does not fall in March through October.Daylight
In Jefferson, 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, sunrise is at 6:05 am and sunset at 7:32 pm CDT.
Sunshine
The average sunshine in April is 9.5h.UV index
In April, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During April, 6 as the daily maximum UV index converts into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. 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. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 30min
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).
