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
A decrease in the average high-temperature is observed during December, shifting from a frosty 48.4°F (9.1°C) in November to a wintry 38.3°F (3.5°C). During the month of December, Brewster Hill's nighttime temperature lowers to an average of 27.5°F (-2.5°C).Humidity
In Brewster Hill, New York, the average relative humidity in December is 79%.Rainfall
In Brewster Hill, New York, in December, it is raining for 10.6 days, with typically 3.82" (97mm) of accumulated precipitation. Throughout the year, there are 163.7 rainfall days, and 37.32" (948mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Brewster Hill. In Brewster Hill, in December, during 7 snowfall days, 3.54" (90mm) of snow is typically accumulated. In Brewster Hill, during the entire year, snow falls for 40.1 days and aggregates up to 22.4" (569mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:34 pm EST.
Sunshine
In Brewster Hill, the average sunshine in December is 4.5h.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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December in Brewster Hill?
How many days does it snow in December in Brewster Hill?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Brewster Hill, NY
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Brewster Hill, 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 (29.93"Hg).
Average wind speed in December
Brewster Hill, NY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Brewster Hill, NY
- Average humidity in December: 79%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Brewster Hill, NY
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is July (3.9").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days in December
Brewster Hill, NY
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Brewster Hill, NY
- Average snowfall in December: 3.54"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brewster Hill, NY
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brewster Hill, NY
- Average daylight in December: 9h 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 12min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Brewster Hill, NY
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Brewster Hill, NY
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Brewster Hill, NY
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Brewster Hill, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Brewster Hill, New York, USA
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