April weather forecastWaterfall, PA
April
Weather in April
April in Waterfall, Pennsylvania, is a moderate spring month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 59°F (15°C).Temperature
As March transitions into April, a change in temperatures is observed, with average highs moving from a frosty 46.2°F (7.9°C) to a refreshing 59°F (15°C). During April, the average low-temperature is a cold 39.7°F (4.3°C).Humidity
April and July, with an average relative humidity of 76%, are the least humid months.Rainfall
In Waterfall, during April, the rain falls for 14.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Waterfall, during the entire year, the rain falls for 146.6 days and collects up to 19.84" (504mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Waterfall aggregates 0.35" (9mm) of snow. In Waterfall, during the entire year, snow falls for 37.4 days and aggregates up to 14.61" (371mm) of snow.Daylight
The average length of the day in April is 13h and 18min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:37 pm. On the last day of April, sunrise is at 6:12 am and sunset at 8:06 pm EDT.
Sunshine
In Waterfall, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun is at its strongest around midday, find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Waterfall, PA
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Waterfall, 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
Waterfall, PA
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Waterfall, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in April
Waterfall, PA
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in April
Waterfall, PA
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in April
Waterfall, PA
- Average snowfall in April: 0.35"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Waterfall, PA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Waterfall, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Waterfall, PA
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in April
Waterfall, PA
- Average UV index in April: 3
The month with the highest UV index is June (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
Waterfall, PA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Waterfall, PA
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
