December weather forecastScituate, MA
December
Weather in December
December, the first month of the winter in Scituate, is also an icy month, with an average temperature varying between 32.7°F (0.4°C) and 41.2°F (5.1°C).Temperature
Scituate's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's chilly 49.8°F (9.9°C) to an icy 41.2°F (5.1°C). In Scituate, the average low-temperature during December nights tends to settle at a still wintry 32.7°F (0.4°C), indicating a slight drop from the daytime peak.Humidity
In Scituate, the average relative humidity in December is 76%.Rainfall
In Scituate, during December, the rain falls for 8.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Scituate, during the entire year, the rain falls for 119.1 days and collects up to 10.83" (275mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Scituate, in December, during 4 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Scituate, during the entire year, snow falls for 23.1 days and aggregates up to 2.95" (75mm) of snow.Ocean temperature
In December, the average ocean temperature is 46.2°F (7.9°C).Note: Swimming in 46.2°F (7.9°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:20 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.8h 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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Scituate, MA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 32.7°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 (25.9°F).
Average pressure in December
Scituate, 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
Scituate, MA
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Scituate, MA
- Average humidity in December: 76%
The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are April and November (74%).
Average rainfall in December
Scituate, MA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Scituate, MA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Scituate, MA
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Scituate, MA
- Average snowfall days in December: 4 days
The months with the highest number of snowfall days are January and February (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Scituate, MA
- Average sea temperature in December: 46.3°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in December /
Average sunshine in December
Scituate, 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 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Scituate, MA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (15.9 days).
Average UV index in December
Scituate, 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
Scituate, 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 28).
Average visibility in December
Scituate, 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).
