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
The start of December involves a subtle temperature drop, shifting from a refreshing 56.3°F (13.5°C) in November to a chilly 47.5°F (8.6°C). Ralston's nighttime temperature during December is consistently averaged at a wintry 35.4°F (1.9°C).Humidity
In Ralston, the average relative humidity in December is 78%.Rainfall
In Ralston, during December, the rain falls for 12 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 158.8 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Ralston. In Ralston, in December, during 1.5 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Ralston, during the entire year, snow falls for 10.7 days and aggregates up to 4.13" (105mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Ralston.On the first day of the month, sunrise is at 6:48 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:06 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the temperature in December in Ralston?
What is the average humidity in December in Ralston?
How much does it rain in Ralston in December?
How much does it snow in Ralston in December?
What is the month with the shortest days in Ralston?
How many hours of daylight does Ralston have in December?
When are sunrise and sunset in December in Ralston?
How many hours of sunshine does Ralston have in December?
When is the lowest UV index in Ralston?
What is the UV index reading in December in Ralston?
Average temperature in December
Ralston, TN
- Average high temperature in December: 47.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Ralston, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Ralston, TN
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Ralston, TN
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Ralston, TN
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Ralston, TN
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Ralston, TN
- Average snowfall in December: 0.51"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Ralston, TN
- Average snowfall days in December: 1.5 days
The months with the highest number of snowfall days are January and February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ralston, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Ralston, TN
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Ralston, TN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Ralston, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Ralston, TN
- 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).
Ralston, Tennessee, USA
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