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
Marietta's progression into December involves a minor drop in the average high-temperature, slightly receding from an enjoyable 62.2°F (16.8°C) in November to a still refreshing 56.5°F (13.6°C). The nights of December anticipate an average low-temperature of 41°F (5°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Marietta, in December, it is raining for 11.5 days, with typically 3.15" (80mm) of accumulated precipitation. In Marietta, North Carolina, during the entire year, the rain falls for 167.8 days and collects up to 32.68" (830mm) of precipitation.Snowfall
Months with snowfall in Marietta, North Carolina, are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Marietta, during the entire year, snow falls for 1.4 days and aggregates up to 0.83" (21mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 5:06 pm. On the last day of December, in Marietta, sunrise is at 7:22 am and sunset at 5:16 pm EST.
Sunshine
January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Marietta.UV index
The average daily maximum UV index in December in Marietta is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Act with care - The need to guard against sun damage is communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are the temperatures in Marietta in December?
What is the average humidity in December in Marietta?
How much does it rain in Marietta in December?
When does it start snowing in Marietta?
What is the month with the shortest days in Marietta?
How many hours of daylight does Marietta have in December?
What time are sunrise and sunset in December in Marietta?
What are the months with the least sunshine in Marietta?
How many hours of sunshine does Marietta have in December?
What is the UV index reading in December in Marietta?
Average temperature in December
Marietta, NC
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 41°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).
Average pressure in December
Marietta, NC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Marietta, NC
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Marietta, NC
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, August and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Marietta, NC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Marietta, NC
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Marietta, NC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Marietta, NC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Marietta, NC
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Marietta, NC
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in December
Marietta, NC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Marietta, NC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Marietta, NC
- 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).
Marietta, North Carolina, USA
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