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
April's onset brings a rise in the average high-temperature, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59°F (15°C). Nighttime temperatures in Chalkhill consistently average an icy 40.6°F (4.8°C) during April.Humidity
The average relative humidity in April is 79%.Rainfall
In Chalkhill, during April, the rain falls for 18.1 days and regularly aggregates up to 3.15" (80mm) of precipitation. In Chalkhill, during the entire year, the rain falls for 189.4 days and collects up to 32.95" (837mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Chalkhill aggregates 0.51" (13mm) of snow. In Chalkhill, during the entire year, snow falls for 42 days and aggregates up to 17.68" (449mm) of snow.Daylight
In April, the average length of the day in Chalkhill 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
The average sunshine in April in Chalkhill is 7.7h.UV index
In Chalkhill, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are April temperatures in Chalkhill?
What is the average humidity in April in Chalkhill?
How many days does it rain in April in Chalkhill?
What is the last month it snows in Chalkhill?
What is the average length of the day in April in Chalkhill?
When is the sunrise / sunset in April in Chalkhill?
How many hours of sunshine does Chalkhill have in April?
What is the UV index intensity in April in Chalkhill?
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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