December weather forecastCataumet, MA
December
Weather in December
The first month of the winter, December, is also a frosty month in Cataumet, Massachusetts, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 43.5°F (6.4°C).Temperature
The average high-temperature slightly decreases in December, shifting from a fresh 50.9°F (10.5°C) in November to a frosty 43.5°F (6.4°C). The nights of December anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 35.4°F (1.9°C).Humidity
The average relative humidity in December is 75%.Rainfall
December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 3.7" (94mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Cataumet, in December, snow falls for 3.3 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, there are 20.8 snowfall days, and 6.93" (176mm) 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 6:50 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine in Cataumet is 4.8h.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 high daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cataumet, MA
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is August (74.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Cataumet, 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
Cataumet, MA
- Average wind speed in December: 14.5mph
The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (9.9mph).
Average humidity in December
Cataumet, 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
Cataumet, MA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest months (with the least rainfall) are August and September (1.85").
Average rainfall days in December
Cataumet, MA
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Cataumet, MA
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cataumet, MA
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cataumet, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Cataumet, MA
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (16.4 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Cataumet, 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
Cataumet, MA
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Cataumet, 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).
