December weather forecast
Fort Thomas, KY

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Weather in December

December ushers in the winter season in full swing, embracing Fort Thomas with temperatures dropping from 30.6°F (-0.8°C) to 41.9°F (5.5°C). December also brings with it a higher rainfall and snowfall, intensifying the winter chill. Despite the decrease in temperature, there's a slight increment in wind speed to 7.9mph (12.7km/h), adding a biting edge to the cold. Moreover, daylight becomes scarcest in December, with an average of 9.5 hours per day. As the year concludes, the winter atmosphere is accentuated, setting the stage for the festivities of the holiday season.

Temperature

With the onset of December, Fort Thomas's average high-temperature adjusts, receding from November's fresh 51.3°F (10.7°C) to an icy 41.9°F (5.5°C). An average low-temperature of 30.6°F (-0.8°C) is recorded in the month of December.

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Fort Thomas, in December, during 10.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Fort Thomas, during the entire year, the rain falls for 150.9 days and collects up to 27.64" (702mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Fort Thomas, during December, snow falls for 4.5 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, there are 20.7 snowfall days, and 6.85" (174mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Fort Thomas.
On the first day of December, sunrise is at 7:38 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:25 pm EST.

Sunshine

The average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

An average high-temperature, in December, in Fort Thomas, is 41.9°F (5.5°C) and the average low-temperature is 30.6°F (-0.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity in Fort Thomas are February and December, with an average relative humidity of 81%.

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Fort Thomas, during December, the rain falls for 10.4 days and regularly aggregates up to 2.2" (56mm) of precipitation.

How much does it snow in December?

In Fort Thomas, Kentucky, in December, during 4.5 snowfall days, 1.3" (33mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Fort Thomas have in December?

In Fort Thomas, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:38 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:25 pm EST.

How many hours of sunshine does Fort Thomas have in December?

The average sunshine duration in December is 4.1h.

What are the months with the lowest UV index in Fort Thomas?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fort Thomas, KY

Average temperature in December - Fort Thomas, KY
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in December
Fort Thomas, KY

Average pressure in December - Fort Thomas, KY
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Fort Thomas, KY

Average wind speed in December - Fort Thomas, KY
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Fort Thomas, KY

Average humidity in December - Fort Thomas, KY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in December
Fort Thomas, KY

Average rainfall in December - Fort Thomas, KY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
Fort Thomas, KY

Average rainfall days in December - Fort Thomas, KY
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in December
Fort Thomas, KY

Average snowfall in December - Fort Thomas, KY
  • Average snowfall in December: 1.3"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Fort Thomas, KY

Average snowfall days in December - Fort Thomas, KY
  • Average snowfall days in December: 4.5 days

The months with the highest number of snowfall days are January and February (5.5 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
Fort Thomas, KY

Average daylight in December / Average sunshine in December - Fort Thomas, KY
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Fort Thomas, KY

Average sunshine days in December - Fort Thomas, KY
  • Average sunshine days in December: 16.1 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in December
Fort Thomas, KY

Average UV index in December - Fort Thomas, KY
  • 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, November and December (UV index 2).

Average cloud cover in December
Fort Thomas, KY

Average cloud cover in December - Fort Thomas, KY
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Fort Thomas, KY

Average visibility in December - Fort Thomas, KY
  • 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).

Fort Thomas, Kentucky, USA

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