April weather forecastWest Lebanon, PA
April
Weather in April
April is a moderate spring month in West Lebanon, Pennsylvania, with an average temperature ranging between min 39.4°F (4.1°C) and max 58.1°F (14.5°C).Temperature
April's arrival is marked by an increase in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in March to a refreshing 58.1°F (14.5°C). In April, the temperature in West Lebanon drops to an average of 39.4°F (4.1°C) at night.Humidity
April, June through August, with an average relative humidity of 78%, are the least humid months.Rainfall
In April, the rain falls for 16.8 days. Throughout April, 2.4" (61mm) of precipitation is accumulated. In West Lebanon, Pennsylvania, during the entire year, the rain falls for 162.4 days and collects up to 23.43" (595mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 3.2 days. Throughout April, 1.1" (28mm) of snow is accumulated. Throughout the year, in West Lebanon, there are 62.7 snowfall days, and 21.3" (541mm) of snow is accumulated.Daylight
In April, the average length of the day in West Lebanon is 13h and 19min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:16 am and sunset at 8:12 pm EDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
West Lebanon, PA
- Average high temperature in April: 58.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in April
West Lebanon, PA
- Average pressure in April: 29.98"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
West Lebanon, PA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
West Lebanon, PA
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in April
West Lebanon, PA
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in April
West Lebanon, PA
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in April
West Lebanon, PA
- Average snowfall in April: 1.1"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
West Lebanon, PA
- Average snowfall days in April: 3.2 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
West Lebanon, PA
- Average daylight in April: 13h and 18min
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: 7h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in April
West Lebanon, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January and February (7.8 days).
Average UV index in April
West Lebanon, 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
West Lebanon, PA
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
West Lebanon, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





