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 rise of average high-temperatures is seen in April, with an increase from a cool 53.2°F (11.8°C) in March to a comfortable 65.8°F (18.8°C). Throughout April, the nighttime temperature averages to a chilly 45.7°F (7.6°C).Humidity
The average relative humidity in April is 76%.Rainfall
In Portersville, in April, during 17.1 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, in Portersville, there are 176 rainfall days, and 33.15" (842mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Portersville. During 0.7 snowfall days, in April, Portersville aggregates 0.35" (9mm) of snow. Throughout the year, there are 38.2 snowfall days, and 14.92" (379mm) of snow is accumulated.Daylight
In Portersville, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 7:12 am and sunset at 7:52 pm. On the last day of April, sunrise is at 6:31 am and sunset at 8:19 pm EDT.
Sunshine
In April, the average sunshine in Portersville is 8h.UV index
In Portersville, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in April translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April in Portersville?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Portersville have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Portersville have in April?
How high is the UV index in April in Portersville?
Average temperature in April
Portersville, WV
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in April: 45.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
Portersville, WV
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Portersville, WV
- Average wind speed in April: 6.6mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in April
Portersville, WV
- Average humidity in April: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Portersville, WV
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Portersville, WV
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in April
Portersville, WV
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Portersville, WV
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Portersville, WV
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Portersville, WV
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in April
Portersville, WV
- 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 and December (UV index 2).
Average cloud cover in April
Portersville, WV
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Portersville, WV
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Portersville, West Virginia, USA
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