December weather forecastViviani, GA
December
Weather in December
December, the first month of the winter in Viviani, is still a refreshing month, with an average temperature varying between 62.8°F (17.1°C) and 47.3°F (8.5°C).Temperature
December brings a minor shift in the average high-temperature, adjusting from a pleasant 68.9°F (20.5°C) in November to an enjoyable 62.8°F (17.1°C). Throughout the nights in December, Viviani experiences an average low-temperature of 47.3°F (8.5°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Viviani, during the entire year, the rain falls for 139 days and collects up to 15.12" (384mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:38 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in December translates into these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Viviani, GA
- Average high temperature in December: 62.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Viviani, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Viviani, GA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Viviani, GA
- Average humidity in December: 77%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in December
Viviani, GA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Viviani, GA
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (6.2 days).
Average daylight in December /
Average sunshine in December
Viviani, GA
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 36min
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 36min).
Average sunshine days in December
Viviani, GA
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in December
Viviani, GA
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Viviani, GA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Viviani, GA
- 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).
