April weather forecastSchaefferstown, PA
April
Weather in April
April in Schaefferstown, Pennsylvania, is a mild spring month, with an average temperature fluctuating between 41.2°F (5.1°C) and 59°F (15°C).Temperature
April brings a temperature increase, with average high-temperatures moving from March's chilly 46.9°F (8.3°C) to a refreshing 59°F (15°C). An average low-temperature of 41.2°F (5.1°C) is anticipated throughout the nights in Schaefferstown during April.Humidity
The least humid month in Schaefferstown is April, with an average relative humidity of 76%.Rainfall
In Schaefferstown, in April, it is raining for 16.8 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, in Schaefferstown, there are 168.8 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Schaefferstown, in April, during 0.5 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, there are 29.6 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
In Schaefferstown, the average length of the day in April is 13h and 19min.On the first day of April in Schaefferstown, sunrise is at 6:47 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:59 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Schaefferstown, PA
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in April
Schaefferstown, 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
Schaefferstown, PA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Schaefferstown, PA
- Average humidity in April: 76%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Schaefferstown, PA
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in April
Schaefferstown, PA
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in April
Schaefferstown, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Schaefferstown, PA
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Schaefferstown, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Schaefferstown, PA
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in April
Schaefferstown, PA
- Average UV index in April: 4
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
Schaefferstown, PA
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Schaefferstown, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
