April weather forecastCrystal Block, WV
April
Weather in April
April is a comfortable spring month in Crystal Block, West Virginia, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 45.5°F (7.5°C).Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's cool 53.4°F (11.9°C) to a refreshing 65.5°F (18.6°C). An average low-temperature of 45.5°F (7.5°C) is observed during April nights.Humidity
The months with the lowest humidity are April, June through August and November, with an average relative humidity of 76%.Rainfall
In April, the rain falls for 18.1 days. Throughout April, 3.03" (77mm) of precipitation is accumulated. In Crystal Block, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 0.8 days. Throughout April, 0.24" (6mm) of snow is accumulated. In Crystal Block, during the entire year, snow falls for 38.9 days and aggregates up to 17.48" (444mm) of snow.Daylight
In April, the average length of the day is 13h and 12min.On the first day of the month, sunrise is at 7:11 am and sunset at 7:51 pm. On the last day of April, sunrise is at 6:32 am and sunset at 8:17 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 5 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Crystal Block, WV
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in April
Crystal Block, 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
Crystal Block, WV
- Average wind speed in April: 6.5mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
Crystal Block, WV
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).
Average rainfall in April
Crystal Block, WV
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Crystal Block, WV
- Average rainfall days in April: 18.1 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in April
Crystal Block, WV
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Crystal Block, WV
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Crystal Block, WV
- Average daylight in April: 13h and 12min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Crystal Block, WV
- Average sunshine days in April: 10.6 days
The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in April
Crystal Block, WV
- Average UV index in April: 5
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
Crystal Block, WV
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Crystal Block, 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).





