Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The shift from September to October involves a decrease in the average high-temperature, dropping from a warm 75.4°F (24.1°C) to an enjoyable 63.1°F (17.3°C). Harleysville observes an average nighttime temperature of 47.3°F (8.5°C) during October.Humidity
In October, the average relative humidity in Harleysville is 80%.Rainfall
In Harleysville, Pennsylvania, in October, during 10.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 128.6 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
In Harleysville, Pennsylvania, snow does not fall in June through October.Daylight
The average length of the day in October in Harleysville, Pennsylvania, is 11h and 7min.On the first day of October in Harleysville, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:59 pm EDT.
Sunshine
The average sunshine in October is 5.4h.UV index
In October, the average daily maximum UV index in Harleysville, Pennsylvania, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 3 in October translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Harleysville in October?
What is the average humidity in October in Harleysville?
How much does it rain in Harleysville in October?
When it does not snow in Harleysville?
Does it snow in Harleysville in October?
What is the average length of the day in October in Harleysville?
What time are sunrise and sunset in October in Harleysville?
How many hours of sunshine does Harleysville have in October?
What is the UV index reading in October in Harleysville?
Average temperature in October
Harleysville, PA
- Average high temperature in October: 63.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in October
Harleysville, PA
- Average pressure in October: 30.03"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 October
Harleysville, PA
- Average wind speed in October: 6.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Harleysville, PA
- Average humidity in October: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in October
Harleysville, PA
- Average rainfall in October: 1.14"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in October
Harleysville, PA
- Average rainfall days in October: 10.2 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in October
Harleysville, PA
- Average snowfall in October: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Harleysville, PA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Harleysville, PA
- Average daylight in October: 11h and 1min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Harleysville, PA
- Average sunshine days in October: 18.9 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in October
Harleysville, PA
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (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
Harleysville, PA
- Average cloud cover in October: 43
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Harleysville, PA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Harleysville, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
