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
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 50.4°F (10.2°C) to a frosty 43.2°F (6.2°C). A mild drop to an average of 35.8°F (2.1°C) marks the nights during December.Humidity
In December, the average relative humidity is 76%.Rainfall
The month with the most rainfall in Provincetown is December, when the rain falls for 12.1 days and typically aggregates up to 3.39" (86mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, in Provincetown, it is snowing for 3.4 days. Throughout December, 0.71" (18mm) of snow is accumulated. Throughout the year, in Provincetown, there are 20.3 snowfall days, and 5.39" (137mm) of snow is accumulated.Ocean temperature
In Provincetown, in December, the average water temperature is 46°F (7.8°C).Note: Diving into 46°F (7.8°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.
Daylight
December has the shortest days of the year in Provincetown, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:10 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:19 pm EST.
Sunshine
With an average of 4.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index 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 unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Provincetown?
What is the average humidity in December in Provincetown?
What is the wettest month in Provincetown?
How many days does it rain in December in Provincetown?
How much does it snow in Provincetown in December?
What is the ocean temperature in December in Provincetown?
What is the month with the shortest days in Provincetown?
What is the average length of the day in December in Provincetown?
What time are sunrise and sunset in December in Provincetown?
What is the month with the least sunshine in Provincetown?
How long on average sun shines in December in Provincetown?
When is the lowest UV index in Provincetown?
How high is the UV index in December in Provincetown?
Average temperature in December
Provincetown, MA
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Provincetown, MA
- Average pressure in December: 30.02"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
Provincetown, MA
- Average wind speed in December: 17.1mph
The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is August (10.9mph).
Average humidity in December
Provincetown, MA
- Average humidity in December: 76%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Provincetown, MA
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Provincetown, MA
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Provincetown, MA
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Provincetown, MA
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Provincetown, MA
- Average sea temperature in December: 46°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 (39°F).
Average daylight in December /
Average sunshine in December
Provincetown, 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 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Provincetown, MA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in December
Provincetown, MA
- Average UV index in December: 2
The month with the highest UV index is July (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
Provincetown, MA
- Average cloud cover in December: 53
The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Provincetown, 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).
Provincetown, Massachusetts, USA
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