April weather forecastNorris, TN
April
Weather in April
April in Norris, Tennessee, is a comfortable spring month, with an average temperature varying between 46.8°F (8.2°C) and 67.8°F (19.9°C).Temperature
The start of April signals an increase in the average high-temperature, moving from a moderate 56.7°F (13.7°C) in March to a still refreshing 67.8°F (19.9°C). During the nights in April, Norris observes an average low-temperature of 46.8°F (8.2°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Norris, Tennessee, during April, the rain falls for 15.8 days and regularly aggregates up to 3.9" (99mm) of precipitation. Throughout the year, there are 184.3 rainfall days, and 40.16" (1020mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Norris aggregates 0.2" (5mm) of snow. In Norris, during the entire year, snow falls for 22.9 days and aggregates up to 6.61" (168mm) of snow.Daylight
The average length of the day in April is 13h and 8min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:58 pm. On the last day of April, sunrise is at 6:43 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April in Norris is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during April leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Norris, TN
- Average high temperature in April: 67.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in April: 46.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in April
Norris, TN
- 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 (29.98"Hg).
Average wind speed in April
Norris, TN
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Norris, TN
- Average humidity in April: 77%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, July and August (75%).
Average rainfall in April
Norris, TN
- Average rainfall in April: 3.9"
The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in April
Norris, TN
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in April
Norris, TN
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Norris, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Norris, TN
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Norris, TN
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in April
Norris, TN
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Norris, TN
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in April
Norris, TN
- Average visibility in April: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).





