December weather forecast
Sterley, TX

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Weather in December

December, the first month of the winter in Sterley, is also a fresh month, with an average temperature ranging between max 51.6°F (10.9°C) and min 33.3°F (0.7°C).

Temperature

The coldest period tends to be December, when average temperatures fluctuate between a high of 51.6°F (10.9°C) and a low of 33.3°F (0.7°C).

Humidity

In Sterley, the average relative humidity in December is 54%.

Rainfall

In December, the rain falls for 3.6 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Sterley, during the entire year, the rain falls for 91.4 days and collects up to 14.61" (371mm) of precipitation.

Snowfall

Months with snowfall in Sterley are January through April, October through December. In Sterley, Texas, in December, during 2.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, in Sterley, Texas, there are 10.8 snowfall days, and 5.94" (151mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Sterley, Texas, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:33 am and sunset at 5:35 pm. On the last day of December, in Sterley, Texas, sunrise is at 7:51 am and sunset at 5:46 pm CST.

Sunshine

With an average of 6.7h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index in Sterley, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in Sterley?

December, with its high-temperature average of 51.6°F (10.9°C) and a low-temperature average of 33.3°F (0.7°C), is the coldest month in Sterley, Texas.

What is the temperature in December in Sterley?

Sterley in December has an average high-temperature of 51.6°F (10.9°C) and an average low-temperature of 33.3°F (0.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December in Sterley?

In December, the average relative humidity in Sterley is 54%.

How much does it rain in Sterley in December?

In December, in Sterley, the rain falls for 3.6 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in December in Sterley?

In Sterley, in December, snow falls for 2.9 days, with typically accumulated 1.1" (28mm) of snow.

What is the month with the shortest days in Sterley?

December has the shortest days of the year in Sterley, with an average of 9h and 54min of daylight.

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

In December, the average day length in Sterley, Texas, is 9h and 55min.

When is the sunrise / sunset in December in Sterley?

On the first day of December in Sterley, Texas, sunrise is at 7:33 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:46 pm CST.

What is the month with the least sunshine in Sterley?

December has the least sunshine of the year, with an average of 6.7h of sunshine.

How long on average sun shines in December in Sterley?

In Sterley, the average sunshine duration in December is 6.7h.

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

December is the month with the lowest UV index, with an average maximum UV index of 2.

What is the UV index intensity in December in Sterley?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Sterley, TX

Average temperature in December - Sterley, TX
  • Average high temperature in December: 51.6°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (51.6°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in December
Sterley, TX

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Sterley, TX

Average wind speed in December - Sterley, TX
  • Average wind speed in December: 11.4mph

The windiest month (with the highest average wind speed) is April (13.8mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

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Average humidity in December
Sterley, TX

Average humidity in December - Sterley, TX
  • Average humidity in December: 54%

The month with the highest relative humidity is September (58%).
The month with the lowest relative humidity is April (42%).

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Average rainfall in December
Sterley, TX

Average rainfall in December - Sterley, TX
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is September (2.32").
The driest month (with the least rainfall) is February (0.39").

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Average rainfall days in December
Sterley, TX

Average rainfall days in December - Sterley, TX
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in December
Sterley, TX

Average snowfall in December - Sterley, TX
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Sterley, TX

Average snowfall days in December - Sterley, TX
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sterley, TX
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in December
Sterley, TX

Average sunshine days in December - Sterley, TX
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is January (26.5 days).
The month with the least sunshine days is July (14.3 days).

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Average UV index in December
Sterley, TX

Average UV index in December - Sterley, TX
  • Average UV index in December: 2

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 2).

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Average cloud cover in December
Sterley, TX

Average cloud cover in December - Sterley, TX
  • Average cloud cover in December: 23

The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are June and August (Cloud cover 16).

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Average visibility in December
Sterley, TX

Average visibility in December - Sterley, 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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Sterley, Texas, USA

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