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
Arrival of December comes with a reduction in the average high-temperature, falling from a mild 56.1°F (13.4°C) in November to a frosty 47.1°F (8.4°C). During the month of December, the temperature in Russell Hill generally drops to a low average of 34.7°F (1.5°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Russell Hill, in December, during 11.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 166.5 rainfall days, and 35.55" (903mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Russell Hill, during December, snow falls for 3.1 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, in Russell Hill, there are 16.5 snowfall days, and 4.92" (125mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:28 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:38 pm CST.
Sunshine
In Russell Hill, the average sunshine in December is 4.3h.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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
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 are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index in Russell Hill?
What is the UV index intensity in December?
Average temperature in December
Russell Hill, TN
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Russell Hill, 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 (29.96"Hg).
Average wind speed in December
Russell Hill, TN
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Russell Hill, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Russell Hill, TN
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Russell Hill, TN
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Russell Hill, TN
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Russell Hill, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5 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
Russell Hill, TN
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Russell Hill, TN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Russell Hill, 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
Russell Hill, TN
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Russell Hill, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
Russell Hill, Tennessee, USA
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