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
As December arrives, Southport's weather displays a decrease in high-temperatures, transitioning from November's frosty 45.5°F (7.5°C) to a cold 35.2°F (1.8°C). December nights cool to an average low-temperature of 26.2°F (-3.2°C), a marginal decrease from its daytime equivalent.Humidity
In December, the average relative humidity is 78%.Rainfall
The wettest months in Southport are October and December, with an average 3.5" (89mm) of rainfall.Snowfall
Months with snowfall in Southport are January through May, October through December. In December, it is snowing for 6.8 days. Throughout December, 3.39" (86mm) of snow is accumulated. In Southport, during the entire year, snow falls for 40.2 days and aggregates up to 18.82" (478mm) of snow.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 6:53 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:11 pm EST.
Sunshine
February and December, with an average of 4.6h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Southport 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 average individuals.Note: The UV index of 2 in December translates into these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is December in Southport?
What is the average humidity in December in Southport?
What is the wettest month in Southport?
How much does it rain in Southport in December?
How much does it snow in Southport in December?
What is the month with the shortest days in Southport?
How many hours of daylight does Southport have in December?
When are sunrise and sunset in December in Southport?
What is the month with the least sunshine in Southport?
How many hours of sunshine does Southport have in December?
What are the months with the lowest UV index in Southport?
What is the UV index intensity in December in Southport?
Average temperature in December
Southport, ME
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Southport, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Southport, ME
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Southport, ME
- Average humidity in December: 78%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Southport, ME
- Average rainfall in December: 3.5"
The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Southport, ME
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Southport, ME
- Average snowfall in December: 3.39"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Southport, ME
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Southport, 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 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Southport, ME
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).
Average UV index in December
Southport, 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
Southport, ME
- Average cloud cover in December: 50
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Southport, 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).
Southport, Maine, USA
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