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 frosty 48.2°F (9°C) to a cold 37.6°F (3.1°C). In Poquonock, an average nighttime temperature of 26.6°F (-3°C) is expected during December.Humidity
In Poquonock, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 8.3 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 113.2 rainfall days, and 10.91" (277mm) of precipitation is accumulated.Snowfall
Months with snowfall in Poquonock are January through May, November and December. In Poquonock, in December, during 4 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, there are 23.9 snowfall days, and 5.63" (143mm) of snow is accumulated.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 6:59 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:29 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Poquonock. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. On your guard! Snow's reflection can almost 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 December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December in Poquonock?
What is the month with the shortest days?
How many hours of daylight does Poquonock have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Poquonock have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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
Poquonock, 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).
Poquonock, Connecticut, USA
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