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 shift from March to April is marked by an increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) to a mild 59°F (15°C). An average low-temperature of 40.6°F (4.8°C) is noted during the nights in April.Humidity
In Chalkhill, the average relative humidity in April is 79%.Rainfall
In April, the rain falls for 18.1 days. Throughout April, 3.15" (80mm) of precipitation is accumulated. Throughout the year, there are 189.4 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Chalkhill. April is the last month it regularly snows. During 1.8 snowfall days, in April, Chalkhill aggregates 0.51" (13mm) of snow. Throughout the year, there are 42 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 17min.On the first day of April in Chalkhill, sunrise is at 7:01 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:12 pm EDT.
Sunshine
In April, the average sunshine is 7.7h.UV index
In Chalkhill, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Chalkhill have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Chalkhill have in April?
How high is the UV index in April?
Average temperature in April
Chalkhill, PA
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Chalkhill, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Chalkhill, PA
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Chalkhill, PA
- Average humidity in April: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in April
Chalkhill, PA
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in April
Chalkhill, PA
- Average rainfall days in April: 18.1 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in April
Chalkhill, PA
- Average snowfall in April: 0.51"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Chalkhill, PA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Chalkhill, 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 24min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in April
Chalkhill, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8 days).
Average UV index in April
Chalkhill, PA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Chalkhill, PA
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in April
Chalkhill, PA
- Average visibility in April: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).
Chalkhill, Pennsylvania, USA
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