December weather forecast
Blackwell, TX

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Weather in December

The first month of the winter, December, is still a mild month in Blackwell, Texas, with an average temperature ranging between max 57.4°F (14.1°C) and min 39.4°F (4.1°C).

Temperature

The months of January and December see the lowest levels of Blackwell's temperatures, averaging a high of 57.4°F (14.1°C).

Humidity

In Blackwell, the average relative humidity in December is 56%.

Rainfall

In December, the rain falls for 4.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Blackwell, during the entire year, the rain falls for 89.1 days and collects up to 15.59" (396mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Blackwell, in December, during 0.8 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Blackwell, during the entire year, snow falls for 3.8 days and aggregates up to 1.89" (48mm) of snow.

Daylight

December has the shortest days of the year in Blackwell, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:36 pm. On the last day of December, in Blackwell, sunrise is at 7:41 am and sunset at 5:47 pm CST.

Sunshine

The month with the least sunshine in Blackwell is December, with an average of 6.5h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Blackwell?

Blackwell's temperatures tend to hit their minimum during January and December, with an average high-temperature of 57.4°F (14.1°C).

What is the usual temperature for Blackwell in December?

The high-temperature, in December, in Blackwell, is 57.4°F (14.1°C), while the low-temperature averages to 39.4°F (4.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 91.4°F (33°C).

What is the average humidity in December in Blackwell?

In December, the average relative humidity is 56%.

How many days does it rain in December in Blackwell?

In Blackwell, during December, the rain falls for 4.7 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How much does it snow in Blackwell in December?

In Blackwell, in December, during 0.8 snowfall days, 0.24" (6mm) of snow is typically accumulated.

What is the month with the shortest days in Blackwell?

The month with the shortest days in Blackwell, Texas, is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Blackwell have in December?

In Blackwell, the average day length in December is 10h and 5min.

When is the sunrise / sunset in December in Blackwell?

On the first day of December in Blackwell, sunrise is at 7:24 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:47 pm CST.

What is the month with the least sunshine in Blackwell?

With an average of 6.5h of sunshine, December has the least sunshine of the year in Blackwell.

How many hours of sunshine does Blackwell have in December?

The average sunshine duration in December in Blackwell, Texas, is 6.5h.

When is the lowest UV index in Blackwell?

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

What is the UV index reading in December in Blackwell?

In December, the average daily maximum UV index in Blackwell is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Blackwell, TX

Average temperature in December - Blackwell, TX
  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (57.4°F).

  • Average low temperature in December: 39.4°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

Average pressure in December
Blackwell, TX

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Blackwell, TX

Average wind speed in December - Blackwell, TX
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.7mph).

Average humidity in December
Blackwell, TX

Average humidity in December - Blackwell, TX
  • Average humidity in December: 56%

The months with the highest relative humidity are September and November (57%).
The month with the lowest relative humidity is August (46%).

Average rainfall in December
Blackwell, TX

Average rainfall in December - Blackwell, TX
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in December
Blackwell, TX

Average rainfall days in December - Blackwell, TX
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.6 days).

Average snowfall in December
Blackwell, TX

Average snowfall in December - Blackwell, TX
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Blackwell, TX

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

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Blackwell, 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: 6h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Blackwell, TX

Average sunshine days in December - Blackwell, TX
  • Average sunshine days in December: 23.8 days

The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16.1 days).

Average UV index in December
Blackwell, TX

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

The 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 3).

Average cloud cover in December
Blackwell, TX

Average cloud cover in December - Blackwell, TX
  • Average cloud cover in December: 26

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in December
Blackwell, TX

Average visibility in December - Blackwell, 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).

Blackwell, Texas, USA

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