Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Transition into December marks a drop in the average high-temperature, moving from a frosty 45.5°F (7.5°C) in November to a wintry 34.9°F (1.6°C). East Chatham anticipates an average minimum temperature of 24.1°F (-4.4°C) in the month of December.Humidity
The months with the highest humidity in East Chatham are February and December, with an average relative humidity of 83%.Rainfall
In East Chatham, in December, during 7.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In East Chatham, during the entire year, the rain falls for 135.1 days and collects up to 20.39" (518mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in East Chatham. In East Chatham, New York, in December, during 5.6 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, in East Chatham, there are 36.9 snowfall days, and 15.98" (406mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in East Chatham.On the first day of the month, sunrise is at 7:04 am and sunset at 4:22 pm. On the last day of December, in East Chatham, sunrise is at 7:23 am and sunset at 4:31 pm EST.
Sunshine
In East Chatham, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in East Chatham in December?
What is the most humid month in East Chatham?
What is the average humidity in December in East Chatham?
How much does it rain in East Chatham in December?
How many days does it snow in December in East Chatham?
What is the month with the shortest days in East Chatham?
How many hours of daylight does East Chatham have in December?
When are sunrise and sunset in December in East Chatham?
How many hours of sunshine does East Chatham have in December?
What are the months with the lowest UV index in East Chatham?
How high is the UV index in December in East Chatham?
Average temperature in December
East Chatham, NY
- Average high temperature in December: 34.9°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 December: 24.1°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 December
East Chatham, NY
- Average pressure in December: 30.06"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 December
East Chatham, NY
- Average wind speed in December: 7.8mph
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 December
East Chatham, NY
- Average humidity in December: 83%
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 December
East Chatham, NY
- Average rainfall in December: 1.46"
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 December
East Chatham, NY
- Average rainfall days in December: 7.8 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 December
East Chatham, NY
- Average snowfall in December: 2.6"
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 December
East Chatham, NY
- Average snowfall days in December: 5.6 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 December /
Average sunshine in December
East Chatham, NY
- Average daylight in December: 9h and 1min
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 December: 4h and 2min
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 December
East Chatham, NY
- Average sunshine days in December: 19 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 December
East Chatham, NY
- Average UV index in December: 2
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 December
East Chatham, NY
- Average cloud cover in December: 54
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 December
East Chatham, NY
- Average visibility in December: 6mi
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).
East Chatham, New York, USA
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