December weather forecastCochituate, MA
December
Weather in December
The first month of the winter, December, is also an icy month in Cochituate, Massachusetts, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 39°F (3.9°C).Temperature
In Cochituate, the average high-temperature in December decreases from a chilly 49.1°F (9.5°C) in November to a cold 39°F (3.9°C). During the nights in December, an average low-temperature of 28.4°F (-2°C) is observed.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 141.8 rainfall days, and 24.21" (615mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Cochituate, in December, during 5.3 snowfall days, 3.66" (93mm) of snow is typically accumulated. In Cochituate, during the entire year, snow falls for 28.5 days and aggregates up to 15.91" (404mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:23 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cochituate. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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
Cochituate, MA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Cochituate, 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 (29.92"Hg).
Average wind speed in December
Cochituate, MA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Cochituate, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Cochituate, MA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is March (2.4").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in December
Cochituate, MA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Cochituate, MA
- Average snowfall in December: 3.66"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cochituate, MA
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cochituate, MA
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Cochituate, MA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
Cochituate, 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
Cochituate, MA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Cochituate, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
