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
A rise in the average high-temperature is observed during April, moving from a frosty 49.8°F (9.9°C) in March to an enjoyable 61.7°F (16.5°C). Nighttime temperatures consistently average a frosty 45°F (7.2°C) during April.Humidity
The least humid month is April, with an average relative humidity of 71%.Rainfall
In Darby, in April, it is raining for 12.8 days, with typically 2.01" (51mm) of accumulated precipitation. In Darby, during the entire year, the rain falls for 142 days and collects up to 24.41" (620mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Darby aggregates 0.2" (5mm) of snow. Throughout the year, there are 11.3 snowfall days, and 6.18" (157mm) of snow is accumulated.Daylight
The average length of the day in April in Darby is 13h and 17min.On the first day of April in Darby, sunrise is at 6:43 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:54 pm EDT.
Sunshine
In Darby, the average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in April leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the average April temperature in Darby?
What is the least humid month in Darby?
What is the average humidity in April in Darby?
How many days does it rain in April in Darby?
What is the last month it snows in Darby?
What is the average length of the day in April in Darby?
When is the sunrise / sunset in April in Darby?
How long on average sun shines in April in Darby?
What is the UV index reading in April in Darby?
Average temperature in April
Darby, PA
- Average high temperature in April: 61.7°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
Darby, PA
- 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
Darby, PA
- Average wind speed in April: 8.5mph
The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Darby, PA
- Average humidity in April: 71%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Darby, PA
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in April
Darby, PA
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in April
Darby, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Darby, PA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (3.3 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
Darby, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 3min
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
Darby, PA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in April
Darby, 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
Darby, PA
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Darby, PA
- 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).
Darby, Pennsylvania, USA
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