December weather forecast
Smithville, TX

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Weather in December

The first month of the winter, December, is still a mild month in Smithville, Texas, with an average temperature varying between 60.6°F (15.9°C) and 45.5°F (7.5°C).

Temperature

As November transitions into December, Smithville sees a gentle drop in the average high-temperature, transitioning from a pleasant 68.4°F (20.2°C) to a moderate 60.6°F (15.9°C). In Smithville, the expected average low-temperature for December is a chilly 45.5°F (7.5°C).

Humidity

The average relative humidity in December in Smithville is 74%.

Rainfall

In December, the rain falls for 9.5 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 138.8 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

The only month with snowfall is December. The month with the most snowfall is December, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of December in Smithville, sunrise is at 7:07 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:39 pm CST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 3 during December, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the average December temperature in Smithville?

The high-temperature, in December, in Smithville, is 60.6°F (15.9°C), while the low-temperature averages to 45.5°F (7.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 104°F (40°C).

What is the average humidity in December in Smithville?

In Smithville, the average relative humidity in December is 74%.

How many days does it rain in December in Smithville?

In Smithville, Texas, in December, it is raining for 9.5 days, with typically 1.1" (28mm) of accumulated precipitation.

What is the snowiest month in Smithville?

The month with the most snowfall in Smithville is December, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

When does it start snowing in Smithville?

December is the first month it typically snows in Smithville. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Smithville?

With an average of 10h and 18min of daylight, December has the shortest days of the year in Smithville, Texas.

How many hours of daylight does Smithville have in December?

In December, the average day length is 10h and 15min.

When are sunrise and sunset in December in Smithville?

On the first day of December in Smithville, Texas, sunrise is at 7:07 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:39 pm CST.

What is the month with the least sunshine in Smithville?

The month with the least sunshine in Smithville is December, with an average of 5h of sunshine.

How long on average sun shines in December in Smithville?

In Smithville, the average sunshine duration in December is 5h.

What is the month with the lowest UV index in Smithville?

December is the month with the lowest UV index, with an average maximum UV index of 3.

What is the UV index reading in December in Smithville?

In Smithville, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Smithville, TX

Average temperature in December - Smithville, TX
  • Average high temperature in December: 60.6°F

The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in December: 45.5°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

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Average pressure in December
Smithville, TX

Average pressure in December - Smithville, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Smithville, TX

Average wind speed in December - Smithville, TX
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is September (6mph).

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Average humidity in December
Smithville, TX

Average humidity in December - Smithville, TX
  • Average humidity in December: 74%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in December
Smithville, TX

Average rainfall in December - Smithville, TX
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (0.75").

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Average rainfall days in December
Smithville, TX

Average rainfall days in December - Smithville, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in December
Smithville, TX

Average snowfall in December - Smithville, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Smithville, TX

Average snowfall days in December - Smithville, TX
  • Average snowfall days in December: 0.2 days

The months with the highest number of snowfall days are February and December (0.2 days).
The 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
Smithville, TX

Average daylight in December / Average sunshine in December - Smithville, TX
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 5h).

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Average sunshine days in December
Smithville, TX

Average sunshine days in December - Smithville, TX
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in December
Smithville, TX

Average UV index in December - Smithville, TX
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Smithville, TX

Average cloud cover in December - Smithville, TX
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Smithville, TX

Average visibility in December - Smithville, TX
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are May and June (5mi).

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Smithville, Texas, USA

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