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 comes with a decrease in the average high-temperature, moving from a moderate 57.4°F (14.1°C) in November to a chilly 48°F (8.9°C). The average temperature during December nights dips to a cold 36°F (2.2°C).Humidity
In Dyer, the average relative humidity in December is 78%.Rainfall
In Dyer, during December, the rain falls for 12.4 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 161.7 rainfall days, and 38.46" (977mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Dyer, Tennessee, during December, snow falls for 0.8 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, in Dyer, there are 7.6 snowfall days, and 4.69" (119mm) of snow is accumulated.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 6:48 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:06 am and sunset at 4:52 pm CST.
Sunshine
The average sunshine in December in Dyer, Tennessee, is 4.8h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the temperature in December in Dyer?
What is the average humidity in December in Dyer?
How many days does it rain in December in Dyer?
How many days does it snow in December in Dyer?
What is the month with the shortest days in Dyer?
What is the average length of the day in December in Dyer?
When is the sunrise / sunset in December in Dyer?
How many hours of sunshine does Dyer have in December?
When is the lowest UV index in Dyer?
What is the UV index reading in December in Dyer?
Average temperature in December
Dyer, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Dyer, 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
Dyer, TN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Dyer, TN
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Dyer, TN
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Dyer, TN
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is October (10 days).
Average snowfall in December
Dyer, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Dyer, TN
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Dyer, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Dyer, TN
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Dyer, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Dyer, 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 25).
Average visibility in December
Dyer, 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).
Dyer, Tennessee, USA
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