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 beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 49.8°F (9.9°C) in November to a wintry 40.3°F (4.6°C). The December nights in Shelton show a slight decrease to a mean low-temperature of 31.3°F (-0.4°C).Humidity
In Shelton, the average relative humidity in December is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 12.8 days and typically aggregates up to 4.06" (103mm) of precipitation.Snowfall
Months with snowfall in Shelton, Connecticut, are January through April, November and December. In Shelton, in December, snow falls for 4.6 days, with typically accumulated 2.4" (61mm) of snow. In Shelton, during the entire year, snow falls for 27.3 days and aggregates up to 11.42" (290mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:23 pm. On the last day of December, in Shelton, sunrise is at 7:18 am and sunset at 4:33 pm EST.
Sunshine
In Shelton, Connecticut, the average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shelton. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold does it get in Shelton in December?
What is the average humidity in December in Shelton?
What is the rainiest month in Shelton?
How many days does it rain in December in Shelton?
How much does it snow in Shelton in December?
What is the month with the shortest days in Shelton?
How many hours of daylight does Shelton have in December?
When are sunrise and sunset in December in Shelton?
How long on average sun shines in December in Shelton?
When is the lowest UV index in Shelton?
How high is the UV index in December in Shelton?
Average temperature in December
Shelton, CT
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
Shelton, 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
Shelton, CT
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Shelton, CT
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Shelton, CT
- Average rainfall in December: 4.06"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Shelton, CT
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in December
Shelton, CT
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Shelton, CT
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Shelton, CT
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Shelton, CT
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Shelton, 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
Shelton, CT
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Shelton, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Shelton, Connecticut, USA
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