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
A moderate decline in average high-temperatures is noted in December, moving from a moderate 56.1°F (13.4°C) in November to a frosty 48°F (8.9°C). Saint James temperatures generally rest at a low of 33.4°F (0.8°C) during the December nights.Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In Saint James, during December, the rain falls for 13.5 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 177.9 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Saint James. The month with the most snowfall is December, when snow falls for 5.1 days and typically aggregates up to 3.19" (81mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine is 5.4h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Saint James have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December in Saint James?
Average temperature in December
Saint James, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Saint James, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Saint James, TN
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Saint James, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in December
Saint James, TN
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Saint James, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in December
Saint James, TN
- Average snowfall in December: 3.19"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint James, TN
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (8.3 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
Saint James, TN
- Average daylight in December: 9h and 5min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Saint James, TN
- Average sunshine days in December: 14 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Saint James, 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
Saint James, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Saint James, TN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Saint James, Tennessee, USA
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