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
In December, the average high-temperature goes from a frosty 49.3°F (9.6°C) in November to a wintry 36.3°F (2.4°C). During December, Wellfleet records a consistent average nighttime temperature of 22.6°F (-5.2°C).Humidity
In Wellfleet, the average relative humidity in December is 69%.Rainfall
In December, the rain falls for 3.7 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 117.4 rainfall days, and 17.99" (457mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Wellfleet, in December, snow falls for 6.5 days, with typically accumulated 2.4" (61mm) of snow. Throughout the year, there are 33.6 snowfall days, and 12.83" (326mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:48 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:25 pm CST.
Sunshine
The average sunshine in December is 6.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow 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?
How many hours of sunshine does Wellfleet have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Wellfleet, NE
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 22.6°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 (21.6°F).
Average pressure in December
Wellfleet, NE
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Wellfleet, NE
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in December
Wellfleet, NE
- Average humidity in December: 69%
The month with the highest relative humidity is January (72%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall in December
Wellfleet, NE
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Wellfleet, NE
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is December (3.7 days).
Average snowfall in December
Wellfleet, NE
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wellfleet, NE
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wellfleet, NE
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Wellfleet, NE
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Wellfleet, NE
- 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, November and December (UV index 2).
Average cloud cover in December
Wellfleet, NE
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 21).
Average visibility in December
Wellfleet, NE
- 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).
Wellfleet, Nebraska, USA
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