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
The shift from November to December involves a decrease in the average high-temperature, from a chilly 45.1°F (7.3°C) to a wintry 34.7°F (1.5°C). During December's nights, Darien Center notes a minor temperature decline, reaching an average of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Darien Center, during December, the rain falls for 10.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Darien Center, during the entire year, the rain falls for 171.6 days and collects up to 28.54" (725mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 17.8 days. Throughout December, 7.68" (195mm) of snow is accumulated. Throughout the year, there are 90.2 snowfall days, and 40.51" (1029mm) of snow is accumulated.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 7:25 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine is 2.8h.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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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 many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Darien Center have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Darien Center, NY
- Average high temperature in December: 34.7°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 (28.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Darien Center, 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
Darien Center, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Darien Center, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Darien Center, NY
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Darien Center, NY
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Darien Center, NY
- Average snowfall in December: 7.68"
The month with the highest snowfall is February (9.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Darien Center, NY
- Average snowfall days in December: 17.8 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Darien Center, 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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Darien Center, NY
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (12.2 days).
The month with the least sunshine days is February (4.9 days).
Average UV index in December
Darien Center, 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
Darien Center, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Darien Center, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Darien Center, New York, USA
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