December weather forecast
Terrell, TX

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Weather in December

The first month of the winter, December, is still a refreshing month in Terrell, Texas, with an average temperature ranging between max 55.4°F (13°C) and min 41.5°F (5.3°C).

Temperature

Terrell records a mild change in average high-temperature during December, easing from a comfortable 63.9°F (17.7°C) in November to a moderate 55.4°F (13°C). Nighttime temperature lowers to an average of 41.5°F (5.3°C) in December.

Humidity

In Terrell, the average relative humidity in December is 73%.

Rainfall

In December, the rain falls for 5.7 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. Throughout the year, in Terrell, Texas, there are 88.2 rainfall days, and 8.43" (214mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Terrell.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of December in Terrell, sunrise is at 7:09 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:29 pm CST.

Sunshine

December has the least sunshine of the year in Terrell, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the average December temperature in Terrell?

An average high-temperature, in December, in Terrell, is 55.4°F (13°C) and the average low-temperature is 41.5°F (5.3°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 96.8°F (36°C).

What is the average humidity in December in Terrell?

In December, the average relative humidity in Terrell is 73%.

How many days does it rain in December in Terrell?

In Terrell, Texas, in December, during 5.7 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

When it does not snow in Terrell?

January, March through December are months without snowfall.

What is the month with the shortest days in Terrell?

The month with the shortest days in Terrell, Texas, is December, with an average of 10h and 0min of daylight.

What is the average length of the day in December in Terrell?

The average day length in December in Terrell, Texas, is 10h and 2min.

What time are sunrise and sunset in December in Terrell?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:18 pm. On the last day of the month, in Terrell, sunrise is at 7:27 am and sunset at 5:29 pm CST.

What is the month with the least sunshine in Terrell?

December has the least sunshine of the year, with an average of 5.5h of sunshine.

How long on average sun shines in December in Terrell?

The average sunshine duration in December in Terrell is 5.5h.

When is the lowest UV index in Terrell?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Terrell?

In Terrell, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Terrell, TX

Average temperature in December - Terrell, TX
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in December: 41.5°F

The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in December
Terrell, TX

Average pressure in December - Terrell, TX
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Terrell, TX

Average wind speed in December - Terrell, TX
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

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Average humidity in December
Terrell, TX

Average humidity in December - Terrell, TX
  • Average humidity in December: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in December
Terrell, TX

Average rainfall in December - Terrell, TX
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in December
Terrell, TX

Average rainfall days in December - Terrell, TX
  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is September (9.5 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in December
Terrell, TX

Average snowfall in December - Terrell, TX
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Terrell, TX

Average snowfall days in December - Terrell, TX
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Terrell, TX

Average daylight in December / Average sunshine in December - Terrell, TX
  • Average daylight in December: 10h and 0min

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

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Terrell, TX

Average sunshine days in December - Terrell, TX
  • Average sunshine days in December: 22.1 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is September (17.1 days).

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Average UV index in December
Terrell, TX

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

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

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Average cloud cover in December
Terrell, TX

Average cloud cover in December - Terrell, TX
  • Average cloud cover in December: 40

The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Terrell, TX

Average visibility in December - Terrell, TX
  • 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).

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Terrell, Texas, USA

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