April weather forecastKnox Park, TN
April
Weather in April
April is an agreeable spring month in Knox Park, Tennessee, with an average temperature varying between 48.9°F (9.4°C) and 69.4°F (20.8°C).Temperature
The arrival of April sees a shift in the average high-temperature, moving from a moderate 58.8°F (14.9°C) in March to an agreeable 69.4°F (20.8°C). Knox Park's nights in April experience an average temperature drop to a frosty 48.9°F (9.4°C).Humidity
In April, the average relative humidity is 76%.Rainfall
In Knox Park, in April, during 11.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 122.6 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
In Knox Park, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 7min.On the first day of April, sunrise is at 7:23 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:24 pm EDT.
Sunshine
In Knox Park, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in April translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Knox Park, 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: 48.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Knox Park, TN
- Average pressure in April: 30"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Knox Park, TN
- Average wind speed in April: 6.6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in April
Knox Park, TN
- Average humidity in April: 76%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in April
Knox Park, TN
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in April
Knox Park, TN
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in April
Knox Park, TN
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Knox Park, TN
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (2.5 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
Knox Park, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Knox Park, TN
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in April
Knox Park, 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
Knox Park, TN
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Knox Park, TN
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
