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 coincides with a drop in the average high-temperature, decreasing from November's frosty 49.1°F (9.5°C) to a wintry 39.7°F (4.3°C). Throughout December, an average nighttime temperature of 29.1°F (-1.6°C) is experienced in Plantsville.Humidity
In Plantsville, the average relative humidity in December is 77%.Rainfall
The month with the most rainfall in Plantsville is December, when the rain falls for 11.5 days and typically aggregates up to 3.82" (97mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, in Plantsville, it is snowing for 5.4 days. Throughout December, 2.28" (58mm) of snow is accumulated. Throughout the year, in Plantsville, there are 30 snowfall days, and 15.28" (388mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in Plantsville, Connecticut, sunrise is at 6:59 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:31 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Plantsville in December?
What is the average humidity in December in Plantsville?
What is the wettest month in Plantsville?
How many days does it rain in December in Plantsville?
How much does it snow in Plantsville in December?
What is the month with the shortest days in Plantsville?
How many hours of daylight does Plantsville have in December?
What time are sunrise and sunset in December in Plantsville?
How many hours of sunshine does Plantsville have in December?
What are the months with the lowest UV index in Plantsville?
What is the UV index reading in December in Plantsville?
Average temperature in December
Plantsville, CT
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Plantsville, 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
Plantsville, CT
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Plantsville, CT
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Plantsville, CT
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Plantsville, CT
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Plantsville, CT
- Average snowfall in December: 2.28"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Plantsville, CT
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plantsville, 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Plantsville, CT
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Plantsville, 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
Plantsville, CT
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Plantsville, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, August, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and September (5mi).
Plantsville, Connecticut, USA
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