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
December weather is marked by a drop in the average high-temperature, falling from a frosty 46.6°F (8.1°C) in November to a wintry 36.5°F (2.5°C). In Charlton Depot, December is marked by an average low-temperature of 25.7°F (-3.5°C).Humidity
In Charlton Depot, the average relative humidity in December is 80%.Rainfall
In December, the rain falls for 9.2 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Charlton Depot, during the entire year, the rain falls for 147.4 days and collects up to 29.76" (756mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Charlton Depot, Massachusetts, during December, snow falls for 6.9 days and regularly aggregates up to 3.43" (87mm) of snow. Throughout the year, there are 39.9 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
December has the shortest days of the year in Charlton Depot, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:16 pm. On the last day of December, in Charlton Depot, sunrise is at 7:16 am and sunset at 4:26 pm EST.
Sunshine
In Charlton Depot, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Charlton Depot are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Charlton Depot in December?
What is the average humidity in December in Charlton Depot?
How many days does it rain in December in Charlton Depot?
How much does it snow in Charlton Depot in December?
What is the month with the shortest days in Charlton Depot?
How many hours of daylight does Charlton Depot have in December?
What time are sunrise and sunset in December in Charlton Depot?
How long on average sun shines in December in Charlton Depot?
What is the month with the lowest UV index in Charlton Depot?
What is the UV index reading in December in Charlton Depot?
Average temperature in December
Charlton Depot, MA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 25.7°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 (18.3°F).
Average pressure in December
Charlton Depot, MA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Charlton Depot, MA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Charlton Depot, MA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Charlton Depot, MA
- Average rainfall in December: 2.72"
The wettest months (with the highest rainfall) are October and November (2.76").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Charlton Depot, MA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Charlton Depot, MA
- Average snowfall in December: 3.43"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Charlton Depot, MA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Charlton Depot, 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 12min).
- Average sunshine in December: 4h and 2min
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: 4h and 18min).
Average sunshine days in December
Charlton Depot, MA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Charlton Depot, MA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Charlton Depot, MA
- Average cloud cover in December: 51
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Charlton Depot, MA
- Average visibility in December: 6mi
The months with the highest visibility are April and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and November (5mi).
Charlton Depot, Massachusetts, USA
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