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
The shift into April brings an increase in the average high-temperature, moving from a cool 50.4°F (10.2°C) in March to a refreshing 62.4°F (16.9°C). During April, the nighttime temperature in Harper averages of 42.6°F (5.9°C).Humidity
The months with the lowest humidity in Harper are April, June through August and November, with an average relative humidity of 78%.Rainfall
In Harper, West Virginia, during April, the rain falls for 18.4 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, in Harper, there are 189.8 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harper are January through May, October through December. In Harper, West Virginia, during April, snow falls for 2.9 days and regularly aggregates up to 2.52" (64mm) of snow. In Harper, during the entire year, snow falls for 60.8 days and aggregates up to 39.41" (1001mm) of snow.Daylight
In April, the average length of the day in Harper is 13h and 12min.On the first day of April in Harper, West Virginia, sunrise is at 7:09 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:14 pm EDT.
Sunshine
In April, the average sunshine is 8.3h.UV index
The average daily maximum UV index in April in Harper is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during April translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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
What is the temperature in April in Harper?
What are the least humid months in Harper?
What is the average humidity in April in Harper?
How much does it rain in Harper in April?
How much does it snow in Harper in April?
What is the average length of the day in April in Harper?
What time are sunrise and sunset in April in Harper?
How long on average sun shines in April in Harper?
What is the UV index reading in April in Harper?
Average temperature in April
Harper, WV
- Average high temperature in April: 62.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in April
Harper, WV
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Harper, WV
- Average wind speed in April: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in April
Harper, WV
- Average humidity in April: 78%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (78%).
Average rainfall in April
Harper, WV
- Average rainfall in April: 3.39"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Harper, WV
- Average rainfall days in April: 18.4 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in April
Harper, WV
- Average snowfall in April: 2.52"
The month with the highest snowfall is January (8.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Harper, WV
- Average snowfall days in April: 2.9 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Harper, WV
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Harper, WV
- Average sunshine days in April: 8.9 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (7 days).
Average UV index in April
Harper, WV
- Average UV index in April: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Harper, WV
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
Harper, WV
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Harper, West Virginia, USA
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