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
Darby's transition into April sees a rise in the average high-temperature, advancing from a frosty 49.8°F (9.9°C) in March to a comfortable 61.7°F (16.5°C). In April, Darby records an average nighttime temperature of 45°F (7.2°C).Humidity
April is the least humid month, with an average relative humidity of 71%.Rainfall
In Darby, in April, during 12.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 142 rainfall days, and 24.41" (620mm) of precipitation is accumulated.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, in Darby, there are 11.3 snowfall days, and 6.18" (157mm) of snow is accumulated.Daylight
In Darby, the average length of the day in April is 13h and 17min.On the first day of April, 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 April, the average sunshine is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April in Darby?
How many hours of sunshine does Darby have in April?
What is the UV index intensity in April?
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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