December weather forecast and climate
Fort Thomas, AZ

Weather in December

The first month of the winter, December, is also a moderate month in Fort Thomas, Arizona, with average temperature varying between 55.9°F (13.3°C) and 37.6°F (3.1°C).

Temperature

With an average high-temperature of 55.9°F (13.3°C) and an average low-temperature of 37.6°F (3.1°C), December is the coldest month.

Humidity

December is the most humid month, with an average relative humidity of 51%.

Rainfall

In December, the rain falls for 7.3 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Fort Thomas, there are 78.6 rainfall days, and 8.39" (213mm) of precipitation is accumulated.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1 snowfall days, and 0.55" (14mm) of snow is accumulated.

Daylight

With an average of 10h of daylight, December has the shortest days of the year.

Sunshine

December has the least sunshine of the year in Fort Thomas, with an average of 7h of sunshine.

UV index

December is the month with the lowest UV index in Fort Thomas, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Fort Thomas?

With an average high-temperature of 55.9°F (13.3°C) and an average low-temperature of 37.6°F (3.1°C), December is the coldest month in Fort Thomas, Arizona.

What is the temperature in December in Fort Thomas?

The average high-temperature, in December, is 55.9°F (13.3°C), while the average low-temperature is 37.6°F (3.1°C).

What is the most humid month in Fort Thomas?

The most humid month in Fort Thomas, Arizona, is December, with an average relative humidity of 51%.

What is the average humidity in December in Fort Thomas?

In Fort Thomas, Arizona, the average relative humidity in December is 51%.

How many days does it rain in December in Fort Thomas?

In Fort Thomas, Arizona, in December, it is raining for 7.3 days, with typically 1.06" (27mm) of accumulated precipitation.

When does it start snowing in Fort Thomas?

December is the first month it typically snows in Fort Thomas, Arizona. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days in Fort Thomas?

With an average of 10h of daylight, December has the shortest days of the year in Fort Thomas, Arizona.

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

The average length of the day in December in Fort Thomas is 10h.

What is the month with the least sunshine in Fort Thomas?

With an average of 7h of sunshine, December has the least sunshine of the year in Fort Thomas.

How long on average sun shines in December in Fort Thomas?

In Fort Thomas, the average sunshine in December is 7h.

What is the month with the lowest UV index in Fort Thomas?

December is the month with the lowest UV index in Fort Thomas, Arizona, with an average maximum UV index of 2.

What is the UV index intensity in December in Fort Thomas?

In Fort Thomas, Arizona, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in December
Fort Thomas, AZ

Average temperature in December - Fort Thomas, AZ
  • Average high temperature in December: 55.9°F

The warmest month (with the highest average high temperature) is June (94.3°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in December: 37.6°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in December
Fort Thomas, AZ

Average pressure in December - Fort Thomas, AZ
  • Average pressure in December: 30.08"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in December
Fort Thomas, AZ

Average wind speed in December - Fort Thomas, AZ
  • Average wind speed in December: 5.4mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.4mph).

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Average humidity in December
Fort Thomas, AZ

Average humidity in December - Fort Thomas, AZ
  • Average humidity in December: 51%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in December
Fort Thomas, AZ

Average rainfall in December - Fort Thomas, AZ
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is May (0.12").

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Average rainfall days in December
Fort Thomas, AZ

Average rainfall days in December - Fort Thomas, AZ
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is May (2.7 days).

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Average snowfall in December
Fort Thomas, AZ

Average snowfall in December - Fort Thomas, AZ
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.31").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Fort Thomas, AZ

Average snowfall days in December - Fort Thomas, AZ
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Fort Thomas, AZ

Average daylight in December / Average sunshine in December - Fort Thomas, AZ
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 7h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in December
Fort Thomas, AZ

Average sunshine days in December - Fort Thomas, AZ
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is May (27.3 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Fort Thomas, AZ

Average UV index in December - Fort Thomas, AZ
  • Average UV index in December: 2

Months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Fort Thomas, AZ

Average cloud cover in December - Fort Thomas, AZ
  • Average cloud cover in December: 20

The month with the most cloud cover is December (Cloud cover 20).
Months with the least cloud cover are May and June (Cloud cover 8).

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Average visibility in December
Fort Thomas, AZ

Average visibility in December - Fort Thomas, AZ
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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