April weather forecastHartsville, TN
April
Weather in April
April is a pleasant spring month in Hartsville, Tennessee, with an average temperature fluctuating between 48.9°F (9.4°C) and 68.5°F (20.3°C).Temperature
The arrival of April signals an increase in the average high-temperature, moving from a moderate 57.6°F (14.2°C) in March to a pleasant 68.5°F (20.3°C). An average low-temperature of 48.9°F (9.4°C) is observed during April nights.Humidity
In April, the average relative humidity is 77%.Rainfall
In Hartsville, in April, during 15 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 178.1 rainfall days, and 37.99" (965mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Hartsville aggregates 0.16" (4mm) of snow. In Hartsville, during the entire year, snow falls for 17.2 days and aggregates up to 4.25" (108mm) of snow.Daylight
In Hartsville, the average length of the day in April is 13h and 9min.On the first day of April, sunrise is at 6:29 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:32 pm CDT.
Sunshine
In Hartsville, the average sunshine in April is 8.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hartsville, TN
- Average high temperature in April: 68.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in April: 48.9°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in April
Hartsville, TN
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Hartsville, TN
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in April
Hartsville, TN
- Average humidity in April: 77%
The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in April
Hartsville, TN
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Hartsville, TN
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in April
Hartsville, TN
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Hartsville, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.4 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
Hartsville, 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 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Hartsville, TN
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in April
Hartsville, 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
Hartsville, TN
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in April
Hartsville, TN
- Average visibility in April: 6mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).
