April weather forecastWaller, PA
April
Weather in April
April is a refreshing spring month in Waller, Pennsylvania, with an average temperature fluctuating between 56.5°F (13.6°C) and 38.3°F (3.5°C).Temperature
April witnesses an increase in the average high-temperature, moving from a frosty 44.4°F (6.9°C) in March to a moderate 56.5°F (13.6°C). Waller records a steady low-temperature average of 38.3°F (3.5°C) during April.Humidity
April is the least humid month, with an average relative humidity of 77%.Rainfall
The wettest months are April and May, with an average 2.99" (76mm) of rainfall.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.8 days. Throughout April, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 47.6 snowfall days, and 22.91" (582mm) of snow is accumulated.Daylight
In Waller, the average length of the day in April is 13h and 21min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:03 am and sunset at 8:02 pm EDT.
Sunshine
In Waller, the average sunshine in April is 7.6h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, an average UV index of 3 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Waller, PA
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 38.3°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 (19°F).
Average pressure in April
Waller, 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 (29.94"Hg).
Average wind speed in April
Waller, PA
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Waller, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Waller, PA
- Average rainfall in April: 2.99"
The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Waller, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in April
Waller, PA
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Waller, PA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Waller, PA
- Average daylight in April: 13h and 18min
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 18min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in April
Waller, PA
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in April
Waller, 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
Waller, PA
- Average cloud cover in April: 50
The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Waller, 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).





