December weather forecast
Tornillo, TX

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Weather in December

The first month of the winter, December, is also a moderate month in Tornillo, Texas, with an average temperature fluctuating between 55.8°F (13.2°C) and 39.7°F (4.3°C).

Temperature

In the transition to December, Tornillo observes a drop in the average high-temperature, moving from 64.9°F (18.3°C) in November to a still refreshing 55.8°F (13.2°C). Tornillo's temperature lowers to a mean of 39.7°F (4.3°C) during the nights in December.

Humidity

December is the most humid month, with an average relative humidity of 47%.

Rainfall

In December, the rain falls for 4.4 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. Throughout the year, there are 72.6 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Snowfall

Months with snowfall are February and December. December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:46 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:03 am and sunset at 5:11 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 7.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in December interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

What are the temperatures in December?

In Tornillo, 55.8°F (13.2°C) is the average high-temperature and 39.7°F (4.3°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is calculated to be 84.2°F (29°C).

What is the most humid month in Tornillo?

December is the most humid month in Tornillo, with an average relative humidity of 47%.

What is the average humidity in December?

In December, the average relative humidity is 47%.

How many days does it rain in December?

In Tornillo, Texas, in December, during 4.4 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 0.47" (12mm) of snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year in Tornillo, with an average of 10h and 6min of daylight.

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

In Tornillo, the average day length in December is 10h and 8min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:46 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:11 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 7.2h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 7.2h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents 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
Tornillo, TX

Average temperature in December - Tornillo, TX
  • Average high temperature in December: 55.8°F

The warmest month (with the highest average high temperature) is June (94.5°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in December
Tornillo, TX

Average pressure in December - Tornillo, TX
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in December
Tornillo, TX

Average wind speed in December - Tornillo, TX
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).

Average humidity in December
Tornillo, TX

Average humidity in December - Tornillo, TX
  • Average humidity in December: 47%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is May (21%).

Average rainfall in December
Tornillo, TX

Average rainfall in December - Tornillo, TX
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is April (0.12").

Average rainfall days in December
Tornillo, TX

Average rainfall days in December - Tornillo, TX
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in December
Tornillo, TX

Average snowfall in December - Tornillo, TX
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Tornillo, TX

Average snowfall days in December - Tornillo, TX
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is December (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and November (0 days).

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

Average daylight in December / Average sunshine in December - Tornillo, TX
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

Average sunshine days in December
Tornillo, TX

Average sunshine days in December - Tornillo, TX
  • Average sunshine days in December: 25.4 days

The months with the most sunshine days are January and March (27.3 days).
The month with the least sunshine days is August (10.3 days).

Average UV index in December
Tornillo, TX

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

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

Average cloud cover in December
Tornillo, TX

Average cloud cover in December - Tornillo, TX
  • Average cloud cover in December: 18

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).

Average visibility in December
Tornillo, TX

Average visibility in December - Tornillo, 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).

Tornillo, Texas, USA

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