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
As Weston enters December, the average high-temperature decreases from the a frosty 49.1°F (9.5°C) of November to an icy 39.2°F (4°C). In the month of December, the nighttime temperature dips to a steady average of 28.6°F (-1.9°C).Humidity
In December, the average relative humidity in Weston is 77%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Weston, during the entire year, the rain falls for 106.3 days and collects up to 8.5" (216mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall in Weston is December, when snow falls for 3.1 days and typically aggregates up to 1.14" (29mm) of snow.Daylight
The month with the shortest days is December, 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 4:22 pm EST.
Sunshine
In Weston, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Weston are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Weston in December?
What is the average humidity in December in Weston?
How much does it rain in Weston in December?
When does it snow the most in Weston?
How much does it snow in Weston in December?
What is the month with the shortest days in Weston?
What is the average length of the day in December in Weston?
When is the sunrise / sunset in December in Weston?
How many hours of sunshine does Weston have in December?
What are the months with the lowest UV index in Weston?
What is the UV index reading in December in Weston?
Average temperature in December
Weston, MA
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Weston, MA
- Average pressure in December: 30.03"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
Weston, MA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Weston, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Weston, MA
- Average rainfall in December: 0.79"
The wettest months (with the highest rainfall) are April and November (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Weston, MA
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Weston, MA
- Average snowfall in December: 1.14"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Weston, MA
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Weston, 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 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 42min).
Average sunshine days in December
Weston, MA
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is June (15.8 days).
Average UV index in December
Weston, 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
Weston, MA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Weston, 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).
Weston, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
