April weather forecastMartinsburg, WV
April
Weather in April
April ushers in unmistakable signs of spring in Martinsburg, with even warmer temperatures greeting its residents. Rather significant is the drop in snowfall, marking a shift to just 0.08" (2mm), as spring truly sets in. Colourful blossoms replace the winter's stark whites, and the city basks in the increased daylight hours. Showers become a more common occurrence, keeping the city vibrant and verdant. Gentle breezes replace the sharp winter winds, heralding the impending arrival of summer.Temperature
The shift from March to April in Martinsburg sees an increase in the average high-temperature, transitioning from a cool 50.9°F (10.5°C) to an enjoyable 63.1°F (17.3°C). Throughout April, the temperature falls to an average low of 43.2°F (6.2°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Martinsburg, West Virginia, in April, it is raining for 11.5 days, with typically 1.06" (27mm) of accumulated precipitation. In Martinsburg, during the entire year, the rain falls for 117.3 days and collects up to 12.24" (311mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Martinsburg aggregates 0.08" (2mm) of snow. In Martinsburg, during the entire year, snow falls for 17.1 days and aggregates up to 4.69" (119mm) of snow.Daylight
The average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:54 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:04 pm EDT.
Sunshine
In April, the average sunshine is 8.7h.UV index
In Martinsburg, 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: A maximum UV index of 4 in April translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Martinsburg, WV
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in April: 43.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in April
Martinsburg, 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
Martinsburg, WV
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is March (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Martinsburg, WV
- Average humidity in April: 74%
The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Martinsburg, WV
- Average rainfall in April: 1.06"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Martinsburg, WV
- Average rainfall days in April: 11.5 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in April
Martinsburg, WV
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Martinsburg, WV
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.3 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
Martinsburg, WV
- Average daylight in April: 13h and 18min
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 42min
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 54min).
Average sunshine days in April
Martinsburg, WV
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in April
Martinsburg, 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, November and December (UV index 2).
Average cloud cover in April
Martinsburg, WV
- Average cloud cover in April: 43
The months with the most cloud cover are January, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Martinsburg, WV
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
