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 Coopersburg transitions into April, a rise in the average high-temperature is observed, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.7°F (15.4°C). During April, the nighttime temperature averages of 41.7°F (5.4°C).Humidity
April and July, with an average relative humidity of 75%, are the least humid months.Rainfall
In Coopersburg, during April, the rain falls for 16.1 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 154.1 rainfall days, and 31.73" (806mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 0.7 days. Throughout April, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 29.3 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:56 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In Coopersburg, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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 much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Coopersburg have in April?
What is the UV index intensity in April?
Average temperature in April
Coopersburg, PA
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (84.6°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 (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Coopersburg, 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
Coopersburg, PA
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Coopersburg, PA
- Average humidity in April: 75%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in April
Coopersburg, PA
- Average rainfall in April: 2.87"
The wettest months (with the highest rainfall) are May and July (3.07").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Coopersburg, PA
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in April
Coopersburg, PA
- Average snowfall in April: 0.35"
The month with the highest snowfall is March (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Coopersburg, PA
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Coopersburg, 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 18min).
- Average sunshine in April: 8h and 1min
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
Coopersburg, PA
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in April
Coopersburg, 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
Coopersburg, PA
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Coopersburg, PA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, May, September, October and December (5mi).
Coopersburg, Pennsylvania, USA
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