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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a cool 50.7°F (10.4°C) in November to an icy 41.9°F (5.5°C). Chester's temperature drops to an average low of 32.4°F (0.2°C) during the nights of December.Humidity
In Chester, the average relative humidity in December is 75%.Rainfall
The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Chester, Connecticut. In Chester, in December, snow falls for 4.4 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 24.2 snowfall days, and 9.53" (242mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Chester.On the first day of December in Chester, Connecticut, sunrise is at 6:57 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:30 pm EST.
Sunshine
The months with the least sunshine in Chester are February and December, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index in Chester, Connecticut, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Chester in December?
What is the average humidity in December in Chester?
What is the rainiest month in Chester?
How many days does it rain in December in Chester?
How much does it snow in Chester in December?
What is the month with the shortest days in Chester?
How many hours of daylight does Chester have in December?
What time are sunrise and sunset in December in Chester?
What are the months with the least sunshine in Chester?
How many hours of sunshine does Chester have in December?
What are the months with the lowest UV index in Chester?
What is the UV index reading in December in Chester?
Average temperature in December
Chester, CT
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in December
Chester, CT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Chester, CT
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Chester, CT
- Average humidity in December: 75%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Chester, CT
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Chester, CT
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Chester, CT
- Average snowfall in December: 1.34"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Chester, CT
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chester, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Chester, CT
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in December
Chester, 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
Chester, 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 29).
Average visibility in December
Chester, 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).
Chester, Connecticut, USA
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