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 average high-temperature decreases in October, shifting from a pleasant 71.2°F (21.8°C) in September to a mild 58.1°F (14.5°C). October's nights in Chatham observe an average temperature of 42.8°F (6°C).Humidity
The average relative humidity in October is 81%.Rainfall
In October, the rain falls for 12.3 days. Throughout October, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Chatham, there are 135.1 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Chatham, New York. Throughout October, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 36.9 snowfall days, and 15.98" (406mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 3min.On the first day of October, sunrise is at 6:52 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:48 pm EDT.
Sunshine
In October, the average sunshine in Chatham is 5.5h.UV index
The average daily maximum UV index in October in Chatham is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in October leads to these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Chatham?
What is the average humidity in October in Chatham?
How many days does it rain in October in Chatham?
When does it start to snow in Chatham?
What is the average length of the day in October in Chatham?
What time are sunrise and sunset in October in Chatham?
How many hours of sunshine does Chatham have in October?
What is the UV index reading in October in Chatham?
Average temperature in October
Chatham, NY
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in October: 42.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in October
Chatham, NY
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Chatham, NY
- Average wind speed in October: 6.7mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Chatham, NY
- Average humidity in October: 81%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in October
Chatham, NY
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in October
Chatham, NY
- Average rainfall days in October: 12.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in October
Chatham, NY
- Average snowfall in October: 0.35"
The month with the highest snowfall is March (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Chatham, NY
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Chatham, NY
- Average daylight in October: 11h and 0min
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 6min).
- Average sunshine in October: 5h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in October
Chatham, NY
- Average sunshine days in October: 16.4 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in October
Chatham, NY
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Chatham, NY
- Average cloud cover in October: 46
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in October
Chatham, NY
- Average visibility in October: 5mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
Chatham, New York, USA
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