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 transition into December indicates a reduction in the average high-temperature, down to a cold 37.6°F (3.1°C) from November's chilly 48.2°F (9°C). During December, East Granby consistently records a temperature low averaging a freezing cold 26.6°F (-3°C).Humidity
The average relative humidity in December is 79%.Rainfall
In East Granby, in December, during 8.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In East Granby, during the entire year, the rain falls for 113.2 days and collects up to 10.91" (277mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In East Granby, in December, snow falls for 4 days, with typically accumulated 1.02" (26mm) of snow. In East Granby, during the entire year, snow falls for 23.9 days and aggregates up to 5.63" (143mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in East Granby.On the first day of December, sunrise is at 6:59 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:29 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index in East Granby 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 hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is December in East Granby?
What is the average humidity in December in East Granby?
How many days does it rain in December in East Granby?
How much does it snow in East Granby in December?
What is the month with the shortest days in East Granby?
What is the average length of the day in December in East Granby?
What time are sunrise and sunset in December in East Granby?
How many hours of sunshine does East Granby have in December?
When is the lowest UV index in East Granby?
How high is the UV index in December in East Granby?
Average temperature in December
East Granby, CT
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
East Granby, CT
- Average pressure in December: 30.05"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
East Granby, CT
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
East Granby, CT
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
East Granby, CT
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are July and October (1.14").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
East Granby, CT
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
East Granby, CT
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
East Granby, CT
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is February (6.1 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 Granby, CT
- 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 12min).
- Average sunshine in December: 4h and 5min
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: 4h and 36min).
Average sunshine days in December
East Granby, CT
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (16.1 days).
Average UV index in December
East Granby, CT
- Average UV index in December: 2
The months with the highest UV index are June, July 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
East Granby, CT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
East Granby, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
East Granby, Connecticut, USA
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