Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The beginning of April marks a shift in the average high-temperature, moving from March's frosty 46°F (7.8°C) to a moderate 58.6°F (14.8°C). Hellertown usually reports an average low-temperature of 40.6°F (4.8°C) during the month of April.Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 76%.Rainfall
In Hellertown, during April, the rain falls for 15.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 153 rainfall days, and 26.81" (681mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 0.4 days. Throughout April, 0.16" (4mm) of snow is accumulated. In Hellertown, during the entire year, snow falls for 26.7 days and aggregates up to 14.49" (368mm) of snow.Daylight
In Hellertown, the average length of the day in April 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 Hellertown, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 4 in April leads to these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the least humid month?
What is the average humidity in April in Hellertown?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Hellertown have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Hellertown have in April?
How high is the UV index in April?
Average temperature in April
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, PA
- Average daylight in April: 13h and 2min
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
Hellertown, 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
Hellertown, 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
Hellertown, 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
Hellertown, 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).
Hellertown, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location