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 Swain, the average high-temperature in December drops from a frosty 43.3°F (6.3°C) in November to a wintry 33.6°F (0.9°C). Swain, during the month of December, experiences an average low-temperature of 23.9°F (-4.5°C).Humidity
The average relative humidity in December is 86%.Rainfall
In Swain, during December, the rain falls for 8.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 158.7 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Swain, during December, snow falls for 17.6 days and regularly aggregates up to 8.39" (213mm) of snow. In Swain, during the entire year, snow falls for 96.3 days and aggregates up to 46.38" (1178mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of December, in Swain, sunrise is at 7:40 am and sunset at 4:48 pm EST.
Sunshine
In Swain, the average sunshine in December is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Swain?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Swain have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Swain, NY
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Swain, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Swain, NY
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Swain, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Swain, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Swain, NY
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Swain, NY
- Average snowfall in December: 8.39"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Swain, NY
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Swain, NY
- 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Swain, NY
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in December
Swain, NY
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
Swain, NY
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Swain, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Swain, New York, USA
Weather forecast for your location
2. Allow the app to use your location