April weather forecastGrafton, WV
April
Weather in April
April sees a definitive shift into spring weather in Grafton, with longer hours of daylight and warming temperatures. It marks a pronounced increase from the cooler March weather, with temperatures climbing from 41.5°F (5.3°C) to 60.8°F (16°C). April's climate is characterized by blooming vegetation, thanks to the continued rainfall and plentiful sunshine. The reduced snowfall allows for the emergence of spring wildflowers across the city. As the city enters the heart of the spring season, it also experiences an increment in wind speed.Temperature
The shift from March to April brings an increase in the average high-temperature, moving from a chilly 48.9°F (9.4°C) to a refreshing 60.8°F (16°C). Grafton reports a consistent average low-temperature of 41.5°F (5.3°C) throughout April nights.Humidity
In April, the average relative humidity is 78%.Rainfall
In Grafton, in April, during 17.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Grafton, during the entire year, the rain falls for 184.5 days and collects up to 35.35" (898mm) of precipitation.Snowfall
Months with snowfall in Grafton are January through May, October through December. In Grafton, in April, snow falls for 2.4 days, with typically accumulated 1.42" (36mm) of snow. In Grafton, during the entire year, snow falls for 58.4 days and aggregates up to 31.26" (794mm) of snow.Daylight
In April, the average length of the day is 13h and 16min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:44 pm. On the last day of April, sunrise is at 6:21 am and sunset at 8:12 pm EDT.
Sunshine
In Grafton, the average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during April leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. 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
Grafton, WV
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in April
Grafton, 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 (29.96"Hg).
Average wind speed in April
Grafton, WV
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Grafton, WV
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in April
Grafton, WV
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Grafton, WV
- Average rainfall days in April: 17.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in April
Grafton, WV
- Average snowfall in April: 1.42"
The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grafton, WV
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grafton, 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 30min).
- Average sunshine in April: 7h and 48min
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 12min).
Average sunshine days in April
Grafton, WV
- Average sunshine days in April: 9.6 days
The month with the most sunshine days is October (13.7 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in April
Grafton, WV
- Average UV index in April: 4
The month with the highest UV index is 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
Grafton, WV
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Grafton, WV
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
