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
December's arrival signals a moderate reduction in the average high-temperature, easing from a mild 56.5°F (13.6°C) in November to a chilly 48.9°F (9.4°C). An average low-temperature of 35.2°F (1.8°C) is common in Morrison during the nights of December.Humidity
The most humid month in Morrison is December, with an average relative humidity of 81%.Rainfall
In Morrison, Tennessee, during December, the rain falls for 12.4 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Morrison, Tennessee, during the entire year, the rain falls for 177.3 days and collects up to 31.02" (788mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Morrison, during December, snow falls for 1.6 days and regularly aggregates up to 0.16" (4mm) of snow. In Morrison, during the entire year, snow falls for 11 days and aggregates up to 1.61" (41mm) of snow.Daylight
The month with the shortest days in Morrison is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:35 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine in Morrison is 4.8h.UV index
The months with the lowest UV index in Morrison are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What are December temperatures in Morrison?
What is the most humid month in Morrison?
What is the average humidity in December in Morrison?
How many days does it rain in December in Morrison?
How many days does it snow in December in Morrison?
What is the month with the shortest days in Morrison?
How many hours of daylight does Morrison have in December?
When are sunrise and sunset in December in Morrison?
How long on average sun shines in December in Morrison?
What are the months with the lowest UV index in Morrison?
What is the UV index reading in December in Morrison?
Average temperature in December
Morrison, TN
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Morrison, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Morrison, TN
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Morrison, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Morrison, TN
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in December
Morrison, TN
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Morrison, TN
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Morrison, TN
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.6 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
Morrison, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Morrison, TN
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in December
Morrison, 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 and December (UV index 2).
Average cloud cover in December
Morrison, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Morrison, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, April, June, October and November (6mi).
The months with the lowest visibility are January, March, May, July, August, September and December (5mi).
Morrison, Tennessee, USA
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