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
December sees a slight reduction in average high-temperature, with a shift from a refreshing 57°F (13.9°C) in November to a fresh 50°F (10°C). Williamstown usually reports an average low-temperature of 35.4°F (1.9°C) during the month of December.Humidity
December is the most humid month in Williamstown, with an average relative humidity of 81%.Rainfall
The month with the most rainfall in Williamstown, Georgia, is December, when the rain falls for 14.5 days and typically aggregates up to 4.8" (122mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Williamstown, during December, snow falls for 2.5 days and regularly aggregates up to 1.26" (32mm) of snow. In Williamstown, during the entire year, snow falls for 14.7 days and aggregates up to 6.38" (162mm) of snow.Daylight
December has the shortest days of the year in Williamstown, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:36 pm EST.
Sunshine
The month with the least sunshine in Williamstown, Georgia, is December, with an average of 5h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the average December temperature in Williamstown?
What is the most humid month in Williamstown?
What is the average humidity in December in Williamstown?
What is the rainiest month in Williamstown?
How much does it rain in Williamstown in December?
How much does it snow in Williamstown in December?
What is the month with the shortest days in Williamstown?
What is the average length of the day in December in Williamstown?
When are sunrise and sunset in December in Williamstown?
What is the month with the least sunshine in Williamstown?
How many hours of sunshine does Williamstown have in December?
When is the lowest UV index in Williamstown?
What is the UV index intensity in December in Williamstown?
Average temperature in December
Williamstown, GA
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Williamstown, GA
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Williamstown, GA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Williamstown, GA
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Williamstown, GA
- Average rainfall in December: 4.8"
The wettest month (with the highest rainfall) is December (4.8").
The driest month (with the least rainfall) is September (2.91").
Average rainfall days in December
Williamstown, GA
- Average rainfall days in December: 14.5 days
The months with the highest number of rainy days are June and July (19.8 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in December
Williamstown, GA
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Williamstown, GA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Williamstown, GA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Williamstown, GA
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8 days).
Average UV index in December
Williamstown, GA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Williamstown, GA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Williamstown, GA
- Average visibility in December: 5mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (5mi).
Williamstown, Georgia, USA
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