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, Dalton observes a temperature decline, with the average high falling from November's chilly 44.2°F (6.8°C) to an icy 34.2°F (1.2°C). The average temperature drops to a freezing cold 23°F (-5°C) during the night in the month of December.Humidity
In December, the average relative humidity is 84%.Rainfall
In Dalton, in December, it is raining for 11 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 167.8 rainfall days, and 35.43" (900mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Dalton, in December, snow falls for 12.2 days, with typically accumulated 6.61" (168mm) of snow. In Dalton, during the entire year, snow falls for 69.2 days and aggregates up to 40.98" (1041mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:03 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:29 pm EST.
Sunshine
In December, the average sunshine in Dalton is 4.1h.UV index
The months with the lowest UV index in Dalton are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Dalton, MA
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Dalton, MA
- 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 (29.92"Hg).
Average wind speed in December
Dalton, MA
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Dalton, MA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Dalton, MA
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (2.4").
Average rainfall days in December
Dalton, MA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Dalton, MA
- Average snowfall in December: 6.61"
The month with the highest snowfall is February (10.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dalton, MA
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is February (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dalton, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Dalton, MA
- Average sunshine days in December: 11 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Dalton, MA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Dalton, MA
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Dalton, MA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Dalton, Massachusetts, USA
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