April weather forecastLebanon, PA
April
Weather in April
As April sets in, residents of Lebanon, Pennsylvania embrace a full-fledged spring experience. The mercury goes significantly upwards, and the weather starts warming up to a comforting 59.4°F (15.2°C). Rainfall frequency increases, indicating the familiar April showers synonymous with spring. This is accompanied by abundant sunlight and longer days, a stark contrast to the winter months. The need for warmer clothes diminishes, making way for breezier, spring wardrobe choices.Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.4°F (15.2°C). April brings with it a nighttime average temperature of 41.4°F (5.2°C).Humidity
The least humid month is April, with an average relative humidity of 76%.Rainfall
In April, the rain falls for 12.7 days. Throughout April, 1.26" (32mm) of precipitation is accumulated. In Lebanon, during the entire year, the rain falls for 137.4 days and collects up to 16.26" (413mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, in Lebanon, it is snowing for 0.3 days. Throughout April, 0.04" (1mm) of snow is accumulated. Throughout the year, there are 19.5 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
In Lebanon, Pennsylvania, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:05 am and sunset at 8:00 pm EDT.
Sunshine
In Lebanon, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lebanon, PA
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Lebanon, 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 (29.94"Hg).
Average wind speed in April
Lebanon, PA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Lebanon, PA
- Average humidity in April: 76%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Lebanon, PA
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in April
Lebanon, PA
- Average rainfall days in April: 12.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in April
Lebanon, PA
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Lebanon, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
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 24min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Lebanon, PA
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in April
Lebanon, 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
Lebanon, PA
- Average cloud cover in April: 46
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Lebanon, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).





