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
December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 46.2°F (7.9°C) to a cold 35.8°F (2.1°C). Night temperatures during December stabilize at an average of 27°F (-2.8°C), closely mirroring the daytime temperatures.Humidity
In Brighton, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Brighton, during the entire year, the rain falls for 161.2 days and collects up to 27.87" (708mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13 days. Throughout December, 5.04" (128mm) of snow is accumulated. In Brighton, during the entire year, snow falls for 60.8 days and aggregates up to 24.53" (623mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:45 pm EST.
Sunshine
In Brighton, the average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
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 in Brighton?
How many hours of sunshine does Brighton have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Brighton, NY
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Brighton, 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
Brighton, NY
- Average wind speed in December: 10.3mph
The windiest months (with the highest average wind speed) are January and February (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Brighton, NY
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, July, August and September (77%).
Average rainfall in December
Brighton, NY
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Brighton, NY
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Brighton, NY
- Average snowfall in December: 5.04"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brighton, NY
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brighton, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in December
Brighton, NY
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Brighton, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Brighton, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Brighton, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Brighton, New York, USA
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