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 start of October comes with a reduction in the average high-temperature, receding from a warm 74.5°F (23.6°C) in September to an enjoyable 62.2°F (16.8°C). Throughout October, an average low-temperature of 47.5°F (8.6°C) is expected in Chatham, New Jersey.Humidity
In October, the average relative humidity is 79%.Rainfall
In Chatham, in October, it is raining for 14.1 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 164.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Chatham, there are 26 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
In Chatham, the average length of the day in October is 11h and 7min.On the first day of October in Chatham, sunrise is at 6:54 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:54 pm EDT.
Sunshine
In October, the average sunshine in Chatham, New Jersey, is 5.6h.UV index
The average daily maximum UV index in October in Chatham, New Jersey, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in October leads to these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Enhance your sun protection with tightly woven, yet airy clothing. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Chatham in October?
What is the average humidity in October in Chatham?
How much does it rain in Chatham in October?
When does it start to snow in Chatham?
What is the average length of the day in October in Chatham?
When is the sunrise / sunset in October in Chatham?
How long on average sun shines in October in Chatham?
What is the UV index reading in October in Chatham?
Average temperature in October
Chatham, NJ
- Average high temperature in October: 62.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in October: 47.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in October
Chatham, NJ
- 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
Chatham, NJ
- Average wind speed in October: 7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in October
Chatham, NJ
- Average humidity in October: 79%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in October
Chatham, NJ
- Average rainfall in October: 2.99"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in October
Chatham, NJ
- Average rainfall days in October: 14.1 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in October
Chatham, NJ
- Average snowfall in October: 0.12"
The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Chatham, NJ
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.6 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, NJ
- 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 18min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Chatham, NJ
- Average sunshine days in October: 15.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in October
Chatham, NJ
- 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
Chatham, NJ
- Average cloud cover in October: 43
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
Chatham, NJ
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Chatham, New Jersey, USA
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