December weather forecastNorth Westport, MA
December
Weather in December
The first month of the winter, December, is still a cold month in North Westport, Massachusetts, with an average temperature varying between 42.1°F (5.6°C) and 31.8°F (-0.1°C).Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a fresh 50.9°F (10.5°C) in November to a cold 42.1°F (5.6°C). North Westport witnesses a consistent average low-temperature of 31.8°F (-0.1°C) throughout December.Humidity
In North Westport, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In North Westport, Massachusetts, during the entire year, the rain falls for 135.4 days and collects up to 18.31" (465mm) of precipitation.Snowfall
Months with snowfall in North Westport are January through May, November and December. In North Westport, during December, snow falls for 3.3 days and regularly aggregates up to 1.42" (36mm) of snow. In North Westport, during the entire year, snow falls for 21.2 days and aggregates up to 7.17" (182mm) of snow.Daylight
December has the shortest days of the year in North Westport, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:24 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index in North Westport are January through March 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: A maximum UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
North Westport, MA
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
North Westport, 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 (29.93"Hg).
Average wind speed in December
North Westport, MA
- Average wind speed in December: 10.3mph
The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in December
North Westport, MA
- Average humidity in December: 76%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
North Westport, MA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in December
North Westport, MA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
North Westport, MA
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
North Westport, MA
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (5.9 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
North Westport, 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 54min
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 54min).
Average sunshine days in December
North Westport, MA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
North Westport, 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 and December (UV index 2).
Average cloud cover in December
North Westport, MA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
North Westport, 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).
