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
In Dallas Heights, entering December brings a subtle temperature decrement, reducing from November's moderate 57.6°F (14.2°C) to a cool 50.2°F (10.1°C). In December, Dallas Heights's temperature tends to fall to an average low of 36.1°F (2.3°C) during the night.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
The wettest months are February and December, with an average 1.18" (30mm) of rainfall.Snowfall
January through March and December are months with snowfall in Dallas Heights. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Dallas Heights, during the entire year, snow falls for 2.9 days and aggregates up to 0.47" (12mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Dallas Heights, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:39 pm EST.
Sunshine
December has the least sunshine of the year in Dallas Heights, with an average of 5h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Dallas Heights. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in December in Dallas Heights?
What is the most humid month in Dallas Heights?
What is the average humidity in December in Dallas Heights?
What is the wettest month in Dallas Heights?
How much does it rain in Dallas Heights in December?
When does it start to snow in Dallas Heights?
What is the month with the shortest days in Dallas Heights?
How many hours of daylight does Dallas Heights have in December?
When is the sunrise / sunset in December in Dallas Heights?
What is the month with the least sunshine in Dallas Heights?
How many hours of sunshine does Dallas Heights have in December?
What are the months with the lowest UV index in Dallas Heights?
What is the UV index reading in December in Dallas Heights?
Average temperature in December
Dallas Heights, TN
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Dallas Heights, 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
Dallas Heights, TN
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Dallas Heights, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).
Average rainfall in December
Dallas Heights, TN
- Average rainfall in December: 1.18"
The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Dallas Heights, TN
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).
Average snowfall in December
Dallas Heights, TN
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Dallas Heights, TN
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.3 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
Dallas Heights, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Dallas Heights, TN
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in December
Dallas Heights, 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
Dallas Heights, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Dallas Heights, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Dallas Heights, Tennessee, USA
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