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
Yarmouth's December weather features a mild decline in high-temperatures, reducing from a chilly 45.3°F (7.4°C) in November to an icy 35.1°F (1.7°C). An average temperature of 26.1°F (-3.3°C) is logged during the nights of December, a small step down from daytime highs.Humidity
The average relative humidity in December is 77%.Rainfall
In Yarmouth, in December, it is raining for 10.1 days, with typically 1.81" (46mm) of accumulated precipitation. In Yarmouth, during the entire year, the rain falls for 132.8 days and collects up to 19.88" (505mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, it is snowing for 6.2 days. Throughout December, 1.97" (50mm) of snow is accumulated. Throughout the year, there are 31.2 snowfall days, and 10.94" (278mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:55 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:13 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.7h of sunshine.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 low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Caution! The reflection of snow can nearly 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 is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Yarmouth 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 in Yarmouth?
What is the month with the least sunshine in Yarmouth?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Yarmouth, ME
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (74.7°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Yarmouth, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Yarmouth, ME
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Yarmouth, ME
- Average humidity in December: 77%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Yarmouth, ME
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Yarmouth, ME
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Yarmouth, ME
- Average snowfall in December: 1.97"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Yarmouth, ME
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Yarmouth, ME
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Yarmouth, ME
- Average sunshine days in December: 16.5 days
The months with the most sunshine days are January and September (18.5 days).
The month with the least sunshine days is April (13 days).
Average UV index in December
Yarmouth, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Yarmouth, ME
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Yarmouth, ME
- 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).
Yarmouth, Maine, USA
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