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 frosty 49.3°F (9.6°C) in March to an enjoyable 61.5°F (16.4°C). Nightly temperatures drop to an average low of 41.5°F (5.3°C) in April.Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 74%.Rainfall
In April, the rain falls for 16.1 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Sir Johns Run aggregates 0.2" (5mm) of snow. In Sir Johns Run, during the entire year, snow falls for 25.1 days and aggregates up to 13.31" (338mm) of snow.Daylight
In Sir Johns Run, the average length of the day in April is 13h and 17min.On the first day of April, sunrise is at 6:55 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:06 pm EDT.
Sunshine
In Sir Johns Run, the average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in April translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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 is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows in Sir Johns Run?
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?
What is the UV index intensity in April?
Average temperature in April
Sir Johns Run, WV
- Average high temperature in April: 61.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Sir Johns Run, 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
Sir Johns Run, WV
- Average wind speed in April: 7mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Sir Johns Run, WV
- Average humidity in April: 74%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in April
Sir Johns Run, WV
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in April
Sir Johns Run, WV
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Sir Johns Run, WV
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Sir Johns Run, WV
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (7.5 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
Sir Johns Run, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Sir Johns Run, WV
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Sir Johns Run, WV
- Average UV index in April: 3
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Sir Johns Run, WV
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Sir Johns Run, WV
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, June, July and November (6mi).
The months with the lowest visibility are January, May, August, September, October and December (5mi).
Sir Johns Run, West Virginia, USA
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