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
Stepping into December, Sherman observes a temperature decline, with the average high falling from November's frosty 47.8°F (8.8°C) to a wintry 37.9°F (3.3°C). Throughout December, Sherman registers a consistent average low-temperature of 26.8°F (-2.9°C).Humidity
In Sherman, the average relative humidity in December is 80%.Rainfall
In Sherman, in December, it is raining for 9.5 days, with typically 1.54" (39mm) of accumulated precipitation. In Sherman, Connecticut, during the entire year, the rain falls for 140.7 days and collects up to 17.56" (446mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 5.8 days and typically aggregates up to 1.46" (37mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:34 pm EST.
Sunshine
In December, the average sunshine is 4.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Sherman. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Sherman in December?
What is the average humidity in December in Sherman?
How many days does it rain in December in Sherman?
What is the snowiest month in Sherman?
How many days does it snow in December in Sherman?
What is the month with the shortest days in Sherman?
What is the average length of the day in December in Sherman?
When are sunrise and sunset in December in Sherman?
How long on average sun shines in December in Sherman?
When is the lowest UV index in Sherman?
What is the UV index intensity in December in Sherman?
Average temperature in December
Sherman, CT
- Average high temperature in December: 37.9°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 (32.4°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Sherman, 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
Sherman, CT
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Sherman, CT
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Sherman, CT
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Sherman, CT
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Sherman, CT
- Average snowfall in December: 1.46"
The month with the highest snowfall is December (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sherman, CT
- Average snowfall days in December: 5.8 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
Sherman, 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 3min
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 18min).
Average sunshine days in December
Sherman, CT
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Sherman, CT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Sherman, CT
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Sherman, CT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Sherman, Connecticut, USA
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