October weather forecastHarmonsburg, PA
October
Weather in October
October, like September, is a moderate autumn month in Harmonsburg, Pennsylvania, with an average temperature fluctuating between 59°F (15°C) and 45.3°F (7.4°C).Temperature
Onset of October comes with a temperature decline, the average high falling from an agreeable 71.6°F (22°C) in September to a refreshing 59°F (15°C). Throughout the month of October, the nighttime temperature dips to an average of 45.3°F (7.4°C).Humidity
In October, the average relative humidity is 82%.Rainfall
In Harmonsburg, in October, during 17.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 167.5 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Harmonsburg, there are 79.8 snowfall days, and 25.39" (645mm) of snow is accumulated.Daylight
In Harmonsburg, Pennsylvania, the average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 7:18 am and sunset at 7:02 pm. On the last day of October, sunrise is at 7:52 am and sunset at 6:16 pm EDT.
Sunshine
In Harmonsburg, the average sunshine in October is 4.8h.UV index
In Harmonsburg, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in October transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Harmonsburg, PA
- Average high temperature in October: 59°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in October: 45.3°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in October
Harmonsburg, PA
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Harmonsburg, PA
- Average wind speed in October: 7.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in October
Harmonsburg, PA
- Average humidity in October: 82%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (80%).
Average rainfall in October
Harmonsburg, PA
- Average rainfall in October: 2.44"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in October
Harmonsburg, PA
- Average rainfall days in October: 17.5 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in October
Harmonsburg, PA
- Average snowfall in October: 0.24"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Harmonsburg, PA
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Harmonsburg, PA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in October
Harmonsburg, PA
- Average sunshine days in October: 10.6 days
The month with the most sunshine days is July (12.5 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in October
Harmonsburg, PA
- Average UV index in October: 2
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 October
Harmonsburg, PA
- Average cloud cover in October: 49
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in October
Harmonsburg, PA
- Average visibility in October: 6mi
The months with the highest visibility are April, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
