December weather forecastPembroke, MA
December
Weather in December
December, the first month of the winter in Pembroke, is also an icy month, with an average temperature fluctuating between 41.2°F (5.1°C) and 31.8°F (-0.1°C).Temperature
Pembroke in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 50°F (10°C) to an icy 41.2°F (5.1°C). Pembroke experiences an average low-temperature of 31.8°F (-0.1°C) in month of December.Humidity
The average relative humidity in December in Pembroke is 76%.Rainfall
In Pembroke, Massachusetts, in December, during 8.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Pembroke, Massachusetts, during the entire year, the rain falls for 123.1 days and collects up to 13.94" (354mm) of precipitation.Snowfall
Months with snowfall in Pembroke are January through April, November and December. In Pembroke, in December, snow falls for 3.8 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, there are 22.1 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:21 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.7h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. 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
Average temperature in December
Pembroke, MA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Pembroke, 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
Pembroke, MA
- Average wind speed in December: 10.8mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in December
Pembroke, MA
- Average humidity in December: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Pembroke, MA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are February and September (0.91").
Average rainfall days in December
Pembroke, MA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (13.2 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in December
Pembroke, MA
- Average snowfall in December: 0.94"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Pembroke, MA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6 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
Pembroke, MA
- Average daylight in December: 9h and 12min
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 42min
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 42min).
Average sunshine days in December
Pembroke, MA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (14.9 days).
Average UV index in December
Pembroke, MA
- 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
Pembroke, MA
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Pembroke, 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).





