April weather forecastKnollwood, TN
April
Weather in April
April is an agreeable spring month in Knollwood, Tennessee, with an average temperature fluctuating between 49.1°F (9.5°C) and 69.4°F (20.8°C).Temperature
April brings a rise in the average high-temperature, transitioning from March's mild 59.5°F (15.3°C) to a pleasant 69.4°F (20.8°C). Knollwood's temperature tends to fall to an average low of 49.1°F (9.5°C) during the nights of April.Humidity
In April, the average relative humidity is 77%.Rainfall
In Knollwood, Tennessee, in April, it is raining for 8.5 days, with typically 0.94" (24mm) of accumulated precipitation. In Knollwood, during the entire year, the rain falls for 104.5 days and collects up to 10.98" (279mm) of precipitation.Snowfall
April through November are months without snowfall in Knollwood.Daylight
In April, the average length of the day is 13h and 6min.On the first day of April, sunrise is at 7:26 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:26 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
The average daily maximum UV index in April in Knollwood, Tennessee, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during April morphs into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Knollwood, TN
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in April: 49.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in April
Knollwood, TN
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Knollwood, TN
- Average wind speed in April: 6.4mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Knollwood, TN
- Average humidity in April: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).
Average rainfall in April
Knollwood, TN
- Average rainfall in April: 0.94"
The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in April
Knollwood, TN
- Average rainfall days in April: 8.5 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).
Average snowfall in April
Knollwood, TN
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Knollwood, TN
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.3 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
Knollwood, TN
- Average daylight in April: 13h and 6min
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 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Knollwood, TN
- Average sunshine days in April: 18.8 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in April
Knollwood, 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
Knollwood, TN
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in April
Knollwood, TN
- Average visibility in April: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





