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
Grimsley's December weather features a light decline in high-temperatures, reducing from a fresh 54.7°F (12.6°C) in November to a frosty 46.9°F (8.3°C). In December, Grimsley's temperature tends to fall to an average low of 33.6°F (0.9°C) during the night.Humidity
With an average relative humidity of 81%, December is the most humid month in Grimsley, Tennessee.Rainfall
In Grimsley, in December, it is raining for 12.8 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 170.9 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Grimsley. In December, in Grimsley, it is snowing for 5.2 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, in Grimsley, there are 26.1 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
December has the shortest days of the year in Grimsley, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:33 am and sunset at 4:25 pm. On the last day of December, sunrise is at 6:51 am and sunset at 4:35 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Grimsley, Tennessee. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the usual temperature for Grimsley in December?
What is the most humid month in Grimsley?
What is the average humidity in December in Grimsley?
How many days does it rain in December in Grimsley?
How many days does it snow in December in Grimsley?
What is the month with the shortest days in Grimsley?
What is the average length of the day in December in Grimsley?
When is the sunrise / sunset in December in Grimsley?
How long on average sun shines in December in Grimsley?
What are the months with the lowest UV index in Grimsley?
What is the UV index intensity in December in Grimsley?
Average temperature in December
Grimsley, TN
- Average high temperature in December: 46.9°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 (41.7°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Grimsley, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Grimsley, TN
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Grimsley, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).
Average rainfall in December
Grimsley, TN
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Grimsley, TN
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Grimsley, TN
- Average snowfall in December: 1.65"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Grimsley, TN
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (7.1 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
Grimsley, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Grimsley, TN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Grimsley, 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
Grimsley, TN
- Average cloud cover in December: 54
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
Grimsley, TN
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Grimsley, Tennessee, USA
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