April weather forecastNorthampton Heights, PA
April
Weather in April
April is a refreshing spring month in Northampton Heights, Pennsylvania, with an average temperature ranging between min 40.6°F (4.8°C) and max 58.6°F (14.8°C).Temperature
Northampton Heights experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 46°F (7.8°C) in March to a refreshing 58.6°F (14.8°C). Throughout April, the average low-temperature dips to an icy 40.6°F (4.8°C).Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 76%.Rainfall
In Northampton Heights, during April, the rain falls for 15.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Northampton Heights, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Northampton Heights, in April, snow falls for 0.4 days, with typically accumulated 0.16" (4mm) of snow. In Northampton Heights, during the entire year, snow falls for 26.7 days and aggregates up to 14.49" (368mm) 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 6:43 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:56 pm EDT.
Sunshine
In April, the average sunshine is 8h.UV index
In Northampton Heights, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 in April translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Northampton Heights, PA
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Northampton Heights, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Northampton Heights, PA
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Northampton Heights, 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
Northampton Heights, PA
- Average rainfall in April: 2.44"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in April
Northampton Heights, PA
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Northampton Heights, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Northampton Heights, PA
- Average snowfall days in April: 0.4 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Northampton Heights, 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 0min
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
Northampton Heights, PA
- Average sunshine days in April: 12.8 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
Northampton Heights, PA
- Average UV index in April: 4
The months with the highest UV index are May, June and July (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
Northampton Heights, 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 34).
Average visibility in April
Northampton Heights, PA
- Average visibility in April: 6mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).





