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 meteorological conditions change slightly, with the average high-temperature moving from a refreshing 59.9°F (15.5°C) in November to a fresh 52.7°F (11.5°C). Alto temperatures generally rest at a low of 37.8°F (3.2°C) during the December nights.Humidity
December is the most humid month in Alto, with an average relative humidity of 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 12.7 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
Months with snowfall in Alto are January through March, November and December. December is the month with the most snowfall. Snow falls for 0.9 days and accumulates 3.27" (83mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:23 pm. On the last day of December, in Alto, sunrise is at 7:40 am and sunset at 5:34 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year in Alto.UV index
January 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 threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. 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
What is the temperature in December in Alto?
What is the most humid month in Alto?
What is the average humidity in December in Alto?
What is the rainiest month in Alto?
How many days does it rain in December in Alto?
What is the snowiest month in Alto?
How many days does it snow in December in Alto?
What is the month with the shortest days in Alto?
How many hours of daylight does Alto have in December?
When are sunrise and sunset in December in Alto?
What is the month with the least sunshine in Alto?
How many hours of sunshine does Alto have in December?
What is the month with the lowest UV index in Alto?
What is the UV index intensity in December in Alto?
Average temperature in December
Alto, GA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in December
Alto, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Alto, GA
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are January and February (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Alto, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Alto, GA
- Average rainfall in December: 4.33"
The wettest month (with the highest rainfall) is December (4.33").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Alto, GA
- Average rainfall days in December: 12.7 days
The months with the highest number of rainy days are May and July (15.1 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Alto, GA
- Average snowfall in December: 3.27"
The month with the highest snowfall is December (3.27").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Alto, GA
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Alto, GA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Alto, GA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in December
Alto, 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 and December (UV index 2).
Average cloud cover in December
Alto, GA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Alto, GA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, June, July, August, September, October and November (6mi).
The months with the lowest visibility are April, May and December (5mi).
Alto, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location