April weather forecastLilly, PA
April
Weather in April
April in Lilly, Pennsylvania, is a mild spring month, with an average temperature varying between 56.7°F (13.7°C) and 38.7°F (3.7°C).Temperature
April witnesses an increase in the average high-temperature, moving from a frosty 44.1°F (6.7°C) in March to a mild 56.7°F (13.7°C). The average temperature drops to an icy 38.7°F (3.7°C) during the night in the month of April.Humidity
April, June and July, with an average relative humidity of 78%, are the least humid months.Rainfall
In April, the rain falls for 17.2 days. Throughout April, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 170 rainfall days, and 33.46" (850mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Lilly, Pennsylvania, during April, snow falls for 3.8 days and regularly aggregates up to 1.69" (43mm) of snow. Throughout the year, there are 70.6 snowfall days, and 40.12" (1019mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in April is 7.3h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lilly, PA
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in April: 38.7°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 (18.9°F).
Average pressure in April
Lilly, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Lilly, PA
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Lilly, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in April
Lilly, PA
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in April
Lilly, PA
- Average rainfall days in April: 17.2 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in April
Lilly, PA
- Average snowfall in April: 1.69"
The month with the highest snowfall is February (8.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Lilly, PA
- Average snowfall days in April: 3.8 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Lilly, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in April
Lilly, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (13.5 days).
The months with the least sunshine days are January and February (7.7 days).
Average UV index in April
Lilly, 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
Lilly, PA
- Average cloud cover in April: 53
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in April
Lilly, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





