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
April indicates a change in the average high-temperature, moving up from a chilly 47.8°F (8.8°C) in March to a moderate 60.1°F (15.6°C). In April, Summerdale records an average nighttime temperature of 41.7°F (5.4°C).Humidity
The months with the lowest humidity are March and April, with an average relative humidity of 75%.Rainfall
In April, the rain falls for 13.1 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 122.3 rainfall days, and 11.73" (298mm) 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, Summerdale aggregates 0.04" (1mm) of snow. Throughout the year, there are 19.9 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
In April, the average length of the day in Summerdale, Pennsylvania, is 13h and 19min.On the first day of April, sunrise is at 6:50 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:02 pm EDT.
Sunshine
In Summerdale, the average sunshine in April is 8.3h.UV index
In Summerdale, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during April translates into the following guidance:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Summerdale have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Summerdale have in April?
How high is the UV index in April?
Average temperature in April
Summerdale, PA
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in April
Summerdale, 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 (29.95"Hg).
Average wind speed in April
Summerdale, PA
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
Summerdale, PA
- Average humidity in April: 75%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in April
Summerdale, PA
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in April
Summerdale, PA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
Summerdale, PA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Summerdale, PA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Summerdale, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Summerdale, PA
- Average sunshine days in April: 15 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in April
Summerdale, PA
- Average UV index in April: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Summerdale, PA
- Average cloud cover in April: 45
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Summerdale, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Summerdale, Pennsylvania, USA
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