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's onset brings a rise in the average high-temperature, moving from a frosty 49.6°F (9.8°C) in March to a refreshing 61.9°F (16.6°C). Sistersville records an average temperature drop to an icy 42.6°F (5.9°C) in April.Humidity
In Sistersville, West Virginia, the average relative humidity in April is 78%.Rainfall
In April, the rain falls for 16.8 days. Throughout April, 2.68" (68mm) of precipitation is accumulated. In Sistersville, during the entire year, the rain falls for 176.6 days and collects up to 25.91" (658mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 1.1 snowfall days, in April, Sistersville aggregates 0.31" (8mm) of snow. In Sistersville, during the entire year, snow falls for 46.7 days and aggregates up to 11.38" (289mm) of snow.Daylight
The average length of the day in April is 13h and 16min.On the first day of April in Sistersville, sunrise is at 7:06 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:17 pm EDT.
Sunshine
In Sistersville, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index in Sistersville is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in April translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Caution! The reflection of snow 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
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Sistersville?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Sistersville, WV
- Average high temperature in April: 61.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in April
Sistersville, WV
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Sistersville, WV
- Average wind speed in April: 6.6mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in April
Sistersville, WV
- Average humidity in April: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in April
Sistersville, WV
- Average rainfall in April: 2.68"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in April
Sistersville, WV
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in April
Sistersville, WV
- Average snowfall in April: 0.31"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Sistersville, WV
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Sistersville, WV
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in April
Sistersville, WV
- Average sunshine days in April: 10.9 days
The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).
Average UV index in April
Sistersville, WV
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Sistersville, WV
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Sistersville, WV
- Average visibility in April: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
Sistersville, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location