April weather forecastViola, DE
April
Weather in April
April witnesses a further expansion of spring weather in Viola, Delaware, marked by the much-anticipated respite from the cold. Temperatures rise further in this month, reaching an average high of 61.5°F (16.4°C) with lows standing at a more manageable 47.1°F (8.4°C). Rainfall frequency is still considerable, though it contributes to the blooming of flora around the city. With increased sunshine hours and an extension in daylight, Viola invites more outdoor activities and picnics. However, with the increased temperatures, relative humidity also sees a small rise.Temperature
With the onset of April, Viola sees a temperature rise, with the average high-temperature moving from March's fresh 50.5°F (10.3°C) to an enjoyable 61.5°F (16.4°C). Viola's temperature tends to fall to an average low of 47.1°F (8.4°C) during the nights of April.Humidity
January, March, April and November, with an average relative humidity of 74%, are the least humid months.Rainfall
In April, the rain falls for 15.1 days. Throughout April, 2.48" (63mm) of precipitation is accumulated. In Viola, during the entire year, the rain falls for 167.5 days and collects up to 35.35" (898mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.1 snowfall days, in April, Viola aggregates 0.12" (3mm) of snow. Throughout the year, there are 12.5 snowfall days, and 5.94" (151mm) of snow is accumulated.Daylight
In Viola, the average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of April, in Viola, sunrise is at 6:04 am and sunset at 7:54 pm EDT.
Sunshine
In Viola, the average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Viola, DE
- Average high temperature in April: 61.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in April: 47.1°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in April
Viola, DE
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Viola, DE
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Viola, DE
- Average humidity in April: 74%
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in April
Viola, DE
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in April
Viola, DE
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in April
Viola, DE
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Viola, DE
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.3 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
Viola, DE
- 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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Viola, DE
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in April
Viola, DE
- 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 and December (UV index 2).
Average cloud cover in April
Viola, DE
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Viola, DE
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
