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 sees a rise in the average high-temperature, climbing from a chilly 49.6°F (9.8°C) in March to a comfortable 61.9°F (16.6°C). The nighttime temperature in Sistersville dips to an icy 42.6°F (5.9°C) on average during April.Humidity
In April, the average relative humidity is 78%.Rainfall
In April, the rain falls for 16.8 days. Throughout April, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Sistersville, there are 176.6 rainfall days, and 25.91" (658mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. 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
In April, the average length of the day is 13h and 16min.On the first day of April, 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
The average sunshine in April in Sistersville, West Virginia, is 7.6h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, an average UV index of 4 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are April temperatures in Sistersville?
What is the average humidity in April in Sistersville?
How many days does it rain in April in Sistersville?
What is the last month it snows in Sistersville?
What is the average length of the day in April in Sistersville?
When is the sunrise / sunset in April in Sistersville?
How long on average sun shines in April in Sistersville?
What is the UV index intensity in April in Sistersville?
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
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