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's arrival brings a change in high-temperatures, moving from a wintry 41.7°F (5.4°C) in March to a cool 54.7°F (12.6°C). In Sterling, the expected average low-temperature for April is a wintry 37°F (2.8°C).Humidity
In Sterling, the average relative humidity in April is 78%.Rainfall
In Sterling, during April, the rain falls for 15.7 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Sterling, during the entire year, the rain falls for 154.8 days and collects up to 32.24" (819mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Sterling, during April, snow falls for 3.8 days and regularly aggregates up to 1.69" (43mm) of snow. In Sterling, during the entire year, snow falls for 62.1 days and aggregates up to 38.86" (987mm) of snow.Daylight
In April, the average length of the day is 13h and 21min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:27 pm. On the last day of April, sunrise is at 5:59 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April is 7.4h.UV index
In Sterling, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 3 during April leads to these instructions:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. 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 is the usual temperature for Sterling in April?
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 Sterling have in April?
How high is the UV index in April?
Average temperature in April
Sterling, PA
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Sterling, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Sterling, PA
- Average wind speed in April: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in April
Sterling, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in April
Sterling, PA
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Sterling, PA
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in April
Sterling, PA
- Average snowfall in April: 1.69"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sterling, PA
- Average snowfall days in April: 3.8 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sterling, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in April
Sterling, PA
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in April
Sterling, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Sterling, PA
- Average cloud cover in April: 52
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in April
Sterling, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Sterling, Pennsylvania, USA
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