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
April's onset witnesses a shift in the average high-temperature, moving from a mild 60.1°F (15.6°C) in March to an agreeable 69.1°F (20.6°C). During April, Knoxville's temperature falls to a steady low-temperature average of 49.3°F (9.6°C).Humidity
In April, the average relative humidity in Knoxville is 77%.Rainfall
The wettest months are April and May, with an average 4.41" (112mm) of rainfall.Snowfall
In Knoxville, snow does not fall in April through October.Daylight
In Knoxville, Arkansas, the average length of the day in April is 13h and 7min.On the first day of April, sunrise is at 6:58 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:59 pm CDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In Knoxville, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 5 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
What is the rainiest month?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Knoxville have in April?
What is the UV index reading in April?
Average temperature in April
Knoxville, AR
- Average high temperature in April: 69.1°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in April: 49.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Knoxville, AR
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Knoxville, AR
- Average wind speed in April: 6.2mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in April
Knoxville, AR
- Average humidity in April: 77%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in April
Knoxville, AR
- Average rainfall in April: 4.41"
The wettest months (with the highest rainfall) are April and May (4.41").
The driest months (with the least rainfall) are July and September (2.36").
Average rainfall days in April
Knoxville, AR
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is November (9 days).
Average snowfall in April
Knoxville, AR
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Knoxville, AR
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and February (1.5 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, AR
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in April
Knoxville, AR
- Average sunshine days in April: 14 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in April
Knoxville, AR
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in April
Knoxville, AR
- Average cloud cover in April: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Knoxville, AR
- Average visibility in April: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).
Knoxville, Arkansas, USA
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