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 is marked by a minor reduction in average high-temperature, sliding from a fresh 52.3°F (11.3°C) in November to a frosty 44.4°F (6.9°C). Cuttyhunk's December nights exhibit a subtle drop in temperature, averaging at a cold 36.9°F (2.7°C), closely aligned with the daytime highs.Humidity
In Cuttyhunk, the average relative humidity in December is 75%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 146.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cuttyhunk are January through March and December. December is the first month it typically snows. Throughout December, in the average 4.6 snowfall days, it receives 0.67" (17mm) of snow. Throughout the year, there are 18.3 snowfall days, and 3.94" (100mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:51 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:24 pm EST.
Sunshine
The month with the least sunshine in Cuttyhunk is December, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index 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 low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
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?
What is the month with the least sunshine in Cuttyhunk?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Cuttyhunk, MA
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 36.9°F
The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Cuttyhunk, MA
- Average pressure in December: 30.03"Hg
The months with the highest atmospheric pressure are September and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Cuttyhunk, MA
- Average wind speed in December: 15.8mph
The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in December
Cuttyhunk, MA
- Average humidity in December: 75%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Cuttyhunk, MA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").
Average rainfall days in December
Cuttyhunk, MA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Cuttyhunk, MA
- Average snowfall in December: 0.67"
The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Cuttyhunk, MA
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cuttyhunk, MA
- 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Cuttyhunk, MA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in December
Cuttyhunk, MA
- Average UV index in December: 2
The months with the highest UV index are 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
Cuttyhunk, MA
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Cuttyhunk, MA
- 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).
Cuttyhunk, Massachusetts, USA
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