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 brings a slight decrease in temperature, down from a cool 50.9°F (10.5°C) in November to a chilly 43.2°F (6.2°C). Sagamore Beach observes an average low-temperature of 35.4°F (1.9°C) during the slightly cooler nights of December.Humidity
In Sagamore Beach, the average relative humidity in December is 75%.Rainfall
In Sagamore Beach, in December, it is raining for 9.8 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 138.1 rainfall days, and 18.74" (476mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Sagamore Beach, Massachusetts, in December, snow falls for 3.2 days, with typically accumulated 0.63" (16mm) of snow. In Sagamore Beach, during the entire year, snow falls for 20 days and aggregates up to 4.21" (107mm) of snow.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 6:50 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:21 pm EST.
Sunshine
February and December, with an average of 4.6h of sunshine, are months with the least 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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December in Sagamore Beach?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sagamore Beach have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sagamore Beach, MA
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 35.4°F
The months with the highest average low temperature are July and August (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Sagamore Beach, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sagamore Beach, MA
- Average wind speed in December: 14.5mph
The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in December
Sagamore Beach, MA
- Average humidity in December: 75%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Sagamore Beach, MA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in December
Sagamore Beach, MA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Sagamore Beach, MA
- Average snowfall in December: 0.63"
The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sagamore Beach, MA
- Average snowfall days in December: 3.2 days
The months with the highest number of snowfall days are January and February (5.5 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
Sagamore Beach, 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 4min
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 36min).
Average sunshine days in December
Sagamore Beach, MA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
Sagamore Beach, MA
- Average UV index in December: 2
The month with the highest UV index is July (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
Sagamore Beach, MA
- Average cloud cover in December: 50
The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Sagamore Beach, 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).
Sagamore Beach, Massachusetts, USA
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