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 arrival of December corresponds with a minor reduction in the average high-temperature, down from November's cool 50.7°F (10.4°C) to an icy 41.9°F (5.5°C). December nights in Hadlyme are marked by an average temperature drop to 32.4°F (0.2°C).Humidity
In Hadlyme, the average relative humidity in December is 75%.Rainfall
December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.66" (93mm) of precipitation.Snowfall
Months with snowfall in Hadlyme are January through May, November and December. In Hadlyme, during December, snow falls for 4.4 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, in Hadlyme, there are 24.2 snowfall days, and 9.53" (242mm) of snow is accumulated.Daylight
The month with the shortest days in Hadlyme, Connecticut, is December, with an average of 9h and 12min of daylight.On the first day of December in Hadlyme, sunrise is at 6:56 am and sunset at 4:20 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 Hadlyme, Connecticut, are February and December, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index in Hadlyme 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 hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Hadlyme?
What is the average humidity in December in Hadlyme?
What is the wettest month in Hadlyme?
How many days does it rain in December in Hadlyme?
How many days does it snow in December in Hadlyme?
What is the month with the shortest days in Hadlyme?
How many hours of daylight does Hadlyme have in December?
When are sunrise and sunset in December in Hadlyme?
What is the month with the least sunshine in Hadlyme?
How many hours of sunshine does Hadlyme have in December?
What are the months with the lowest UV index in Hadlyme?
How high is the UV index in December in Hadlyme?
Average temperature in December
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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).
Hadlyme, Connecticut, USA
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