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 onset of December comes with a shift in the average high-temperature, falling from a chilly 48.4°F (9.1°C) in November to a cold 38.7°F (3.7°C). An average low-temperature of 28°F (-2.2°C) is observed during December nights.Humidity
In December, the average relative humidity is 79%.Rainfall
In Brookfield, in December, it is raining for 11.1 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, there are 166.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Brookfield, during December, snow falls for 5.5 days and regularly aggregates up to 2.87" (73mm) of snow. In Brookfield, during the entire year, snow falls for 31.6 days and aggregates up to 15.43" (392mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:34 pm EST.
Sunshine
In December, the average sunshine is 4.6h.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 low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Brookfield during December?
What is the average humidity in December?
How many days 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 in Brookfield?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Brookfield, CT
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Brookfield, CT
- 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
Brookfield, CT
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Brookfield, CT
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Brookfield, CT
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in December
Brookfield, CT
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Brookfield, CT
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brookfield, CT
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brookfield, CT
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Brookfield, CT
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is January (17 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in December
Brookfield, CT
- Average UV index in December: 2
The months with the highest UV index are June 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 December
Brookfield, CT
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Brookfield, CT
- Average visibility in December: 6mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
Brookfield, Connecticut, USA
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