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 onset of October results in a decrease in the average high-temperature, receding from a warm 74.1°F (23.4°C) in September to an enjoyable 61.5°F (16.4°C). During October nights, Harriman records an average temperature of 45.5°F (7.5°C).Humidity
In Harriman, the average relative humidity in October is 80%.Rainfall
In Harriman, in October, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Harriman, during the entire year, the rain falls for 141.2 days and collects up to 25" (635mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 28.3 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
In Harriman, New York, the average length of the day in October is 11h and 5min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:37 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:52 pm EDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
In Harriman, New York, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during October leads to these advisories:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. 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
What are October temperatures?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Harriman have in October?
What is the UV index intensity in October?
Average temperature in October
Harriman, NY
- Average high temperature in October: 61.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in October: 45.5°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 (20.7°F).
Average pressure in October
Harriman, NY
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Harriman, NY
- Average wind speed in October: 6mph
The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in October
Harriman, NY
- Average humidity in October: 80%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in October
Harriman, NY
- Average rainfall in October: 2.48"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in October
Harriman, NY
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in October
Harriman, NY
- Average snowfall in October: 0.47"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Harriman, NY
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Harriman, NY
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
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 30min).
Average sunshine days in October
Harriman, NY
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in October
Harriman, NY
- Average UV index in October: 3
The months with the highest UV index are 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
Harriman, NY
- Average cloud cover in October: 44
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in October
Harriman, NY
- Average visibility in October: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Harriman, New York, USA
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