April weather forecast
Viola, DE

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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

Viola, Delaware, sees an increase in average high-temperatures during April, moving from a fresh 50.5°F (10.3°C) in March to a refreshing 61.5°F (16.4°C). During the month of April, Viola's nighttime temperature lowers to an average of 47.1°F (8.4°C).

Humidity

The months with the lowest humidity in Viola are January, March, April and November, with an average relative humidity of 74%.

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 in Viola. During 0.1 snowfall days, in April, Viola aggregates 0.12" (3mm) of snow. Throughout the year, in Viola, there are 12.5 snowfall days, and 5.94" (151mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 15min.
On the first day of April, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:54 pm EDT.

Sunshine

The average sunshine in April in Viola is 8.6h.

UV index

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during April translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the average April temperature in Viola?

In Viola, in April, the average high-temperature is 61.5°F (16.4°C), and the average low-temperature is 47.1°F (8.4°C).

What are the least humid months in Viola?

The months with the lowest humidity in Viola are January, March, April and November, with an average relative humidity of 74%.

What is the average humidity in April in Viola?

In Viola, Delaware, the average relative humidity in April is 74%.

How many days does it rain in April in Viola?

In Viola, during April, the rain falls for 15.1 days and regularly aggregates up to 2.48" (63mm) of precipitation.

What is the last month it snows in Viola?

April is the last month it regularly snows. During 0.1 snowfall days, in April, Viola aggregates 0.12" (3mm) of snow.

How many hours of daylight does Viola have in April?

In Viola, Delaware, the average day length in April is 13h and 15min.

When is the sunrise / sunset in April in Viola?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, in Viola, Delaware, sunrise is at 6:04 am and sunset at 7:54 pm EDT.

How many hours of sunshine does Viola have in April?

The average sunshine duration in April in Viola, Delaware, is 8.6h.

What is the UV index reading in April in Viola?

In Viola, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAprilMJJASOND
Mar
April
May
Average high temperature
50.5°F 10.3°C
61.5°F 16.4°C
70.9°F 21.6°C
Average low temperature
37.4°F 3°C
47.1°F 8.4°C
56.7°F 13.7°C
Average pressure
30.07" 764mmHg
29.99" 762mmHg
30.02" 763mmHg
Average wind speed
9.9mph 15.9km/h
9.9mph 15.9km/h
8.1mph 13km/h
Average max. wind speed
10.6mph 17.1km/h
10.7mph 17.2km/h
8.8mph 14.2km/h
Average wind speed gusts
15.8mph 25.4km/h
15.8mph 25.4km/h
13.1mph 21.1km/h
Average humidity
74%
74%
79%
Average rainfall
2.87" 73mm
2.48" 63mm
3.11" 79mm
Average rainfall days
14.6
15.1
17.8
Average snowfall
1.5" 38mm
0.12" 3mm
0" 0mm
Average snowfall days
2.4
0.1
0
Average daylight
12h 0min
13h 2min
14h 2min
Average sunshine
6h 3min
8h 4min
8h 5min
Average sunshine days
13.8
13.1
10.8
Average UV index
3
4
6
Average cloud cover
47%
42%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in April
Viola, DE

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).

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Average pressure in April
Viola, DE

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).

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Average wind speed in April
Viola, DE

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).

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Average humidity in April
Viola, DE

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%).

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Average rainfall in April
Viola, DE

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").

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Average rainfall days in April
Viola, DE

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).

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Average snowfall in April
Viola, DE

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").

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Average snowfall days in April
Viola, DE

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).

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Average daylight in April /
Average sunshine in April
Viola, DE

Average daylight in April / Average sunshine in April - Viola, DE
  • 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 30min).

  • Average sunshine in April: 8h and 4min

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).

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Average sunshine days in April
Viola, DE

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).

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Average UV index in April
Viola, DE

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).

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Average cloud cover in April
Viola, DE

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).

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Average visibility in April
Viola, DE

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).

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Viola, Delaware, USA

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