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
In April, the average high-temperature increases from a refreshing 66°F (18.9°C) in March to a moderately hot 75.6°F (24.2°C). During April, Knoxville witnesses a consistent average low-temperature of 54.1°F (12.3°C).Humidity
The average relative humidity in April in Knoxville is 74%.Rainfall
The month with the most rainfall is April, when the rain falls for 12.3 days and typically aggregates up to 4.29" (109mm) of precipitation.Snowfall
In Knoxville, snow does not fall in March through November.Daylight
In Knoxville, Alabama, the average length of the day in April is 13h and 1min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:11 pm. On the last day of April, in Knoxville, sunrise is at 6:03 am and sunset at 7:32 pm CDT.
Sunshine
The average sunshine in April in Knoxville, Alabama, is 9.5h.UV index
In Knoxville, Alabama, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average April temperature in Knoxville?
What is the average humidity in April in Knoxville?
What is the wettest month in Knoxville?
How much does it rain in Knoxville in April?
When it does not snow in Knoxville?
How many hours of daylight does Knoxville have in April?
When are sunrise and sunset in April in Knoxville?
How long on average sun shines in April in Knoxville?
What is the UV index intensity in April in Knoxville?
Average temperature in April
Knoxville, AL
- Average high temperature in April: 75.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in April: 54.1°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in April
Knoxville, AL
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Knoxville, AL
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Knoxville, AL
- Average humidity in April: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Knoxville, AL
- Average rainfall in April: 4.29"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is October (2.28").
Average rainfall days in April
Knoxville, AL
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in April
Knoxville, AL
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Knoxville, AL
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Knoxville, AL
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Knoxville, AL
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in April
Knoxville, 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, February and December (UV index 3).
Average cloud cover in April
Knoxville, AL
- Average cloud cover in April: 35
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Knoxville, 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).
Knoxville, Alabama, USA
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