October weather forecastChambersburg, PA
October
Weather in October
Visiting Chambersburg, Pennsylvania during October offers typical fall weather. This is a marked sophomore month of fall, with temperatures declining compared to September. The drop in temperature and weather patterns makes this month ideal for outdoor fall activities. October showcases beautiful fall foliage across the town painting a pretty picture. From this period, a gradual uptick in humidity is noticed which continues throughout the year until April next year.Temperature
October in Chambersburg, Pennsylvania, comes with a decrease in the average high-temperature, falling from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.8°F (17.1°C). Throughout October, Chambersburg's nights cool down to an average of 45.7°F (7.6°C).Humidity
February and October, with an average relative humidity of 80%, are the most humid months.Rainfall
In Chambersburg, during October, the rain falls for 12.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.28" (7mm) 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 October is 11h and 8min.On the first day of October, sunrise is at 7:07 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:09 pm EDT.
Sunshine
In October, the average sunshine is 5.4h.UV index
In Chambersburg, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in October leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Chambersburg, PA
- Average high temperature in October: 62.8°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 October: 45.7°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 October
Chambersburg, PA
- Average pressure in October: 30.04"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 October
Chambersburg, PA
- Average wind speed in October: 6.3mph
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 October
Chambersburg, PA
- Average humidity in October: 80%
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 October
Chambersburg, PA
- Average rainfall in October: 2.52"
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 October
Chambersburg, PA
- Average rainfall days in October: 12.6 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 October
Chambersburg, PA
- Average snowfall in October: 0.28"
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 October
Chambersburg, PA
- Average snowfall days in October: 0.1 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 October /
Average sunshine in October
Chambersburg, PA
- Average daylight in October: 11h and 6min
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 October: 5h and 24min
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 October
Chambersburg, PA
- Average sunshine days in October: 15.9 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 October
Chambersburg, PA
- Average UV index in October: 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 October
Chambersburg, PA
- Average cloud cover in October: 43
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 October
Chambersburg, PA
- Average visibility in October: 5mi
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).
