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 sea temperature 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
Nahant's transition into December involves a shift in temperature, receding from a chilly 49.5°F (9.7°C) in November to an icy 39.9°F (4.4°C). In Nahant, December is marked by an average low-temperature of 30.2°F (-1°C).Humidity
The average relative humidity in December is 76%.Rainfall
December is the month with the most rainfall. Rain falls for 10.3 days and accumulates 2.99" (76mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 5.3 days. Throughout December, 3.43" (87mm) of snow is accumulated. Throughout the year, there are 29.9 snowfall days, and 15.59" (396mm) of snow is accumulated.Ocean temperature
In Nahant, in December, the average water temperature is 46.2°F (7.9°C).Note: Immersing oneself in 46.2°F (7.9°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:54 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:21 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.6h 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How many days does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Nahant have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Nahant, MA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Nahant, 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 (29.92"Hg).
Average wind speed in December
Nahant, MA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Nahant, MA
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Nahant, MA
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Nahant, MA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Nahant, MA
- Average snowfall in December: 3.43"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Nahant, MA
- Average snowfall days in December: 5.3 days
The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Nahant, 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
Nahant, 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: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Nahant, MA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
Nahant, 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
Nahant, MA
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Nahant, 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).
Nahant, Massachusetts, USA
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