December weather forecastPetros, TN
December
Weather in December
December, the first month of the winter in Petros, is still a chilly month, with an average temperature varying between 34.7°F (1.5°C) and 48.4°F (9.1°C).Temperature
December is characterized by a mild reduction in the average high-temperature, from a moderate 56.3°F (13.5°C) in November to a chilly 48.4°F (9.1°C). An average low-temperature of 34.7°F (1.5°C) is recorded in the month of December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Petros, during December, the rain falls for 13.6 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Petros, during the entire year, the rain falls for 171.2 days and collects up to 32.4" (823mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Petros, in December, during 3.5 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 17.2 snowfall days, and 3.31" (84mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:33 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index in Petros are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Petros, TN
- Average high temperature in December: 48.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Petros, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Petros, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Petros, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July and August (75%).
Average rainfall in December
Petros, TN
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Petros, TN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Petros, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Petros, TN
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.3 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
Petros, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Petros, TN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Petros, TN
- 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
Petros, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in December
Petros, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
