April weather forecastMill Creek, PA
April
Weather in April
April is a refreshing spring month in Mill Creek, Pennsylvania, with an average temperature varying between 59.4°F (15.2°C) and 39.7°F (4.3°C).Temperature
The start of April signals an increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in March to a moderate 59.4°F (15.2°C). During the month of April, the temperature falls to an average of 39.7°F (4.3°C).Humidity
The average relative humidity in April is 76%.Rainfall
In Mill Creek, in April, it is raining for 16.5 days, with typically 2.87" (73mm) of accumulated precipitation. In Mill Creek, during the entire year, the rain falls for 164.3 days and collects up to 28.19" (716mm) 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, Mill Creek aggregates 0.39" (10mm) of snow. In Mill Creek, during the entire year, snow falls for 40.6 days and aggregates up to 17.91" (455mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:36 pm. On the last day of April, sunrise is at 6:11 am and sunset at 8:06 pm EDT.
Sunshine
In Mill Creek, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. When the Sun is at its strongest around midday, find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mill Creek, PA
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Mill Creek, 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
Mill Creek, PA
- Average wind speed in April: 7.4mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Mill Creek, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Mill Creek, PA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Mill Creek, PA
- Average rainfall days in April: 16.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in April
Mill Creek, PA
- Average snowfall in April: 0.39"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Mill Creek, PA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (12.2 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
Mill Creek, 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: 8h and 6min
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
Mill Creek, PA
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Mill Creek, PA
- Average UV index in April: 3
The months with the highest UV index are May and June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Mill Creek, PA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Mill Creek, 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).





