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
October's onset brings a slight change in high-temperatures, falling from a moderately hot 74.8°F (23.8°C) in September to an enjoyable 63.3°F (17.4°C). An average low-temperature of 46°F (7.8°C) is observed during October nights.Humidity
The months with the highest humidity in Greencastle, Pennsylvania, are February, May, October and December, with an average relative humidity of 79%.Rainfall
In Greencastle, in October, during 12.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Greencastle, there are 161.8 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
Months with snowfall in Greencastle, Pennsylvania, are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 26.6 snowfall days, and 14.69" (373mm) of snow is accumulated.Daylight
In Greencastle, the average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 7:07 am and sunset at 6:52 pm. On the last day of October, in Greencastle, Pennsylvania, sunrise is at 7:39 am and sunset at 6:09 pm EDT.
Sunshine
In October, the average sunshine in Greencastle is 5.5h.UV index
In Greencastle, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, a regular UV index of 3 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Greencastle in October?
What are the most humid months in Greencastle?
What is the average humidity in October in Greencastle?
How many days does it rain in October in Greencastle?
When does it start snowing in Greencastle?
What is the average length of the day in October in Greencastle?
When are sunrise and sunset in October in Greencastle?
How many hours of sunshine does Greencastle have in October?
What is the UV index reading in October in Greencastle?
Average temperature in October
Greencastle, PA
- Average high temperature in October: 63.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in October: 46°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in October
Greencastle, 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
Greencastle, PA
- Average wind speed in October: 6.2mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in October
Greencastle, PA
- Average humidity in October: 79%
The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in October
Greencastle, PA
- Average rainfall in October: 2.28"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in October
Greencastle, PA
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in October
Greencastle, PA
- Average snowfall in October: 0.24"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Greencastle, PA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Greencastle, PA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 3min
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
Greencastle, PA
- Average sunshine days in October: 16.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in October
Greencastle, PA
- Average UV index in October: 3
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Greencastle, PA
- Average cloud cover in October: 42
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Greencastle, PA
- Average visibility in October: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Greencastle, Pennsylvania, USA
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