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
December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 44.4°F (6.9°C) to a wintry 34.2°F (1.2°C). The nights of December in South Lee anticipate an average low-temperature of 23°F (-5°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In South Lee, in December, it is raining for 4.7 days, with typically 0.63" (16mm) of accumulated precipitation. In South Lee, during the entire year, the rain falls for 88.8 days and collects up to 7.32" (186mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in South Lee. Snow falls for 5.9 days and accumulates 1.34" (34mm) of snow.Daylight
The month with the shortest days in South Lee is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:30 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The months with the lowest UV index in South Lee are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in South Lee?
What is the average humidity in December in South Lee?
How much does it rain in South Lee in December?
What is the snowiest month in South Lee?
How many days does it snow in December in South Lee?
What is the month with the shortest days in South Lee?
How many hours of daylight does South Lee have in December?
When are sunrise and sunset in December in South Lee?
How long on average sun shines in December in South Lee?
What are the months with the lowest UV index in South Lee?
What is the UV index reading in December in South Lee?
Average temperature in December
South Lee, MA
- Average high temperature in December: 34.2°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 (28°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
South Lee, MA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
South Lee, MA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
South Lee, MA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
South Lee, MA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is July (0.83").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
South Lee, MA
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in December
South Lee, MA
- Average snowfall in December: 1.34"
The month with the highest snowfall is December (1.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Lee, MA
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Lee, 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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
South Lee, MA
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is June (17.1 days).
Average UV index in December
South Lee, MA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
South Lee, MA
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
South Lee, MA
- Average visibility in December: 6mi
The months with the highest visibility are April and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and November (5mi).
South Lee, Massachusetts, USA
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