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 arrival signals a temperature shift, moving from a chilly 46°F (7.8°C) in March to a mild 58.6°F (14.8°C). In April, Mount Jackson reports a consistent average low-temperature of 39.2°F (4°C) during the nights.Humidity
The months with the lowest humidity are April through August, with an average relative humidity of 78%.Rainfall
In Mount Jackson, during April, the rain falls for 17.5 days and regularly aggregates up to 3.54" (90mm) of precipitation. In Mount Jackson, during the entire year, the rain falls for 177.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mount Jackson, in April, snow falls for 3.2 days, with typically accumulated 1.02" (26mm) of snow. In Mount Jackson, during the entire year, snow falls for 68.2 days and aggregates up to 25.2" (640mm) of snow.Daylight
In Mount Jackson, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:19 am and sunset at 8:17 pm EDT.
Sunshine
The average sunshine in April is 7.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the least humid months?
What is the average humidity in April in Mount Jackson?
How many days does it rain in April?
How many days does it snow in April in Mount Jackson?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Mount Jackson, PA
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Mount Jackson, PA
- Average pressure in April: 29.97"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
Mount Jackson, PA
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in April
Mount Jackson, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).
Average rainfall in April
Mount Jackson, PA
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in April
Mount Jackson, PA
- Average rainfall days in April: 17.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in April
Mount Jackson, PA
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mount Jackson, PA
- Average snowfall days in April: 3.2 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mount Jackson, PA
- Average daylight in April: 13h and 2min
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: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in April
Mount Jackson, PA
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7 days).
Average UV index in April
Mount Jackson, PA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Mount Jackson, PA
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
Mount Jackson, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Mount Jackson, Pennsylvania, USA
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