Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As Delta, Pennsylvania, enters April, the average high-temperature increases from the a chilly 49.8°F (9.9°C) of March to a refreshing 61.9°F (16.6°C). During the month of April, Delta's nighttime temperature lowers to an average of 44.8°F (7.1°C).Humidity
With an average relative humidity of 74%, April is the least humid month.Rainfall
In Delta, during April, the rain falls for 16.5 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Delta, during the entire year, the rain falls for 170.1 days and collects up to 36.42" (925mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Delta, in April, during 0.2 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Delta, during the entire year, snow falls for 21.9 days and aggregates up to 10.55" (268mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.On the first day of April, sunrise is at 6:48 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Delta, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Delta have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Delta have in April?
What is the UV index intensity in April?
Average temperature in April
Delta, PA
- Average high temperature in April: 61.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in April: 44.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in April
Delta, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Delta, PA
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Delta, PA
- Average humidity in April: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in April
Delta, PA
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is August (4.49").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days in April
Delta, PA
- Average rainfall days in April: 16.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Delta, PA
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Delta, PA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Delta, PA
- 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 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Delta, PA
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in April
Delta, PA
- 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
Delta, PA
- Average cloud cover in April: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Delta, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Delta, Pennsylvania, USA
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