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
An increase in the average high-temperature marks April, moving from March's frosty 48.2°F (9°C) to a refreshing 60.4°F (15.8°C). In Chambersburg, April's nights observe an average temperature dip to an icy 41.5°F (5.3°C).Humidity
In April, the average relative humidity is 76%.Rainfall
In April, the rain falls for 16 days. Throughout April, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
Months with snowfall in Chambersburg are January through May, October through December. In Chambersburg, in April, snow falls for 1.2 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, there are 28.8 snowfall days, and 15.39" (391mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:35 pm. On the last day of April, sunrise is at 6:10 am and sunset at 8:04 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In Chambersburg, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chambersburg in April?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April in Chambersburg?
What time are sunrise and sunset in April?
How many hours of sunshine does Chambersburg have in April?
What is the UV index intensity in April?
Average temperature in April
Chambersburg, PA
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in April
Chambersburg, 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
Chambersburg, PA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Chambersburg, PA
- Average humidity in April: 76%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Chambersburg, PA
- Average rainfall in April: 2.44"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in April
Chambersburg, PA
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Chambersburg, PA
- Average snowfall in April: 0.39"
The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Chambersburg, PA
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Chambersburg, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Chambersburg, PA
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in April
Chambersburg, PA
- Average UV index in April: 3
The months with the highest UV index are 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
Chambersburg, PA
- Average cloud cover in April: 46
The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Chambersburg, PA
- Average visibility in April: 6mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
Chambersburg, Pennsylvania, USA
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