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 indicates a change in the average high-temperature, moving up from a chilly 48.4°F (9.1°C) in March to a refreshing 60.6°F (15.9°C). The average temperature during April nights dips to a chilly 43.9°F (6.6°C).Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.Rainfall
In Hartsville, in April, it is raining for 7.9 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Hartsville, during April, snow falls for 0.3 days and regularly aggregates up to 0.04" (1mm) of snow. Throughout the year, there are 12.6 snowfall days, and 1.73" (44mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 18min.On the first day of April, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:54 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Hartsville, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April in Hartsville?
What is the UV index intensity in April?
Average temperature in April
Hartsville, PA
- Average high temperature in April: 60.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Hartsville, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Hartsville, PA
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Hartsville, PA
- Average humidity in April: 72%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in April
Hartsville, PA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in April
Hartsville, PA
- Average rainfall days in April: 7.9 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Hartsville, PA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Hartsville, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hartsville, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Hartsville, PA
- Average sunshine days in April: 21.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in April
Hartsville, PA
- Average UV index in April: 4
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, March, November and December (UV index 2).
Average cloud cover in April
Hartsville, PA
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Hartsville, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Hartsville, Pennsylvania, USA
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