April weather forecastWest Sunbury, PA
April
Weather in April
April is a moderate spring month in West Sunbury, Pennsylvania, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 39.4°F (4.1°C).Temperature
An increase in the average high-temperature marks April, moving from March's chilly 45.5°F (7.5°C) to a moderate 58.1°F (14.5°C). April in West Sunbury generally records an average low-temperature of 39.4°F (4.1°C).Humidity
April, July and August, with an average relative humidity of 78%, are the least humid months.Rainfall
April is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.9" (99mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 3.8 days. Throughout April, 1.26" (32mm) of snow is accumulated. In West Sunbury, during the entire year, snow falls for 72.7 days and aggregates up to 31.93" (811mm) of snow.Daylight
In West Sunbury, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 7:01 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:15 pm EDT.
Sunshine
In April, the average sunshine in West Sunbury is 6.9h.UV index
In West Sunbury, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
West Sunbury, PA
- Average high temperature in April: 58.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 39.4°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 (18.9°F).
Average pressure in April
West Sunbury, PA
- Average pressure in April: 29.97"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
West Sunbury, PA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in April
West Sunbury, PA
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April, July and August (78%).
Average rainfall in April
West Sunbury, PA
- Average rainfall in April: 3.9"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in April
West Sunbury, PA
- Average rainfall days in April: 17.7 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in April
West Sunbury, PA
- Average snowfall in April: 1.26"
The month with the highest snowfall is January (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
West Sunbury, PA
- Average snowfall days in April: 3.8 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
West Sunbury, 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: 6h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in April
West Sunbury, PA
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in April
West Sunbury, PA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
West Sunbury, PA
- Average cloud cover in April: 53
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in April
West Sunbury, PA
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).





