April weather forecastMendenhall, PA
April
Weather in April
April is a comfortable spring month in Mendenhall, Pennsylvania, with an average temperature fluctuating between 44.2°F (6.8°C) and 61°F (16.1°C).Temperature
The commencement of April sees a shift in the average high-temperature, moving from a frosty 48.9°F (9.4°C) in March to an enjoyable 61°F (16.1°C). The month of April records an average low-temperature of 44.2°F (6.8°C).Humidity
With an average relative humidity of 74%, April is the least humid month.Rainfall
In Mendenhall, Pennsylvania, in April, it is raining for 12.3 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 135 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Mendenhall. In Mendenhall, in April, during 0.3 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Mendenhall, during the entire year, snow falls for 16.6 days and aggregates up to 5.47" (139mm) of snow.Daylight
In Mendenhall, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, in Mendenhall, sunrise is at 6:03 am and sunset at 7:56 pm EDT.
Sunshine
The average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during April translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mendenhall, PA
- Average high temperature in April: 61°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Mendenhall, 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
Mendenhall, PA
- Average wind speed in April: 8.5mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in April
Mendenhall, PA
- Average humidity in April: 74%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in April
Mendenhall, PA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in April
Mendenhall, PA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in April
Mendenhall, PA
- Average snowfall in April: 0.24"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Mendenhall, 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
Mendenhall, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Mendenhall, PA
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in April
Mendenhall, PA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Mendenhall, PA
- Average cloud cover in April: 44
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Mendenhall, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





