December weather forecast
Blum, TX

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Weather in December

December, the first month of the winter in Blum, is still a refreshing month, with an average temperature varying between 56.8°F (13.8°C) and 42.1°F (5.6°C).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's enjoyable 65.5°F (18.6°C) to a still refreshing 56.8°F (13.8°C). During the nights in December, Blum observes an average low-temperature of 42.1°F (5.6°C).

Humidity

The average relative humidity in December is 70%.

Rainfall

In Blum, in December, during 10 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 136 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

Months with snowfall are February, March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.63" (16mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:24 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:35 pm CST.

Sunshine

With an average of 5.4h 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 moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 3 during December leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Blum in December?

December temperatures vary between a high-temperature of 56.8°F (13.8°C) and a low-temperature of 42.1°F (5.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 96.8°F (36°C).

What is the average humidity in December?

In December, the average relative humidity is 70%.

How much does it rain in December?

In Blum, in December, it is raining for 10 days, with typically 1.89" (48mm) of accumulated precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Blum have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:13 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:35 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

How many hours of sunshine does Blum have in December?

In December, the average sunshine duration in Blum is 5.4h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Blum, TX

Average temperature in December - Blum, TX
  • Average high temperature in December: 56.8°F

The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in December: 42.1°F

The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in December
Blum, TX

Average pressure in December - Blum, TX
  • Average pressure in December: 30.12"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).

Average wind speed in December
Blum, TX

Average wind speed in December - Blum, TX
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).

Average humidity in December
Blum, TX

Average humidity in December - Blum, TX
  • Average humidity in December: 70%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).

Average rainfall in December
Blum, TX

Average rainfall in December - Blum, TX
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days in December
Blum, TX

Average rainfall days in December - Blum, TX
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in December
Blum, TX

Average snowfall in December - Blum, TX
  • Average snowfall in December: 0.08"

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

Average snowfall days in December
Blum, TX

Average snowfall days in December - Blum, TX
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Blum, 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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Blum, TX

Average sunshine days in December - Blum, TX
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is September (13.1 days).

Average UV index in December
Blum, TX

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Blum, TX

Average cloud cover in December - Blum, TX
  • Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in December
Blum, TX

Average visibility in December - Blum, 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).

Blum, Texas, USA

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