December weather forecast
Porter, TX

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Weather in December

The first month of the winter, December, is still a refreshing month in Porter, Texas, with an average temperature ranging between min 46.8°F (8.2°C) and max 61.7°F (16.5°C).

Temperature

Porter in December undergoes a slight reduction in the average high-temperature, shifting from November's pleasant 68.9°F (20.5°C) to a comfortable 61.7°F (16.5°C). In December, Porter experiences a temperature dip to an average of 46.8°F (8.2°C) at night.

Humidity

In Porter, the average relative humidity in December is 79%.

Rainfall

In Porter, in December, it is raining for 9.5 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 148.3 rainfall days, and 20.04" (509mm) of precipitation is accumulated.

Snowfall

The only month with snowfall is December. December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:59 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:31 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the UV index of 3 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In December, in Porter, the average high-temperature is 61.7°F (16.5°C), and the average low-temperature is 46.8°F (8.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in October is estimated at 84.2°F (29°C).

What is the average humidity in December?

In Porter, the average relative humidity in December is 79%.

How many days does it rain in December?

In Porter, in December, during 9.5 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

When does it start to snow in Porter?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 12min of daylight.

How many hours of daylight does Porter have in December?

In December, the average day length is 10h and 15min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:31 pm CST.

What is the month with the least sunshine?

With an average of 5h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Porter have in December?

In Porter, the average sunshine duration in December is 5h.

When is the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December in Porter is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Porter, TX

Average temperature in December - Porter, TX
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in December: 46.8°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

Average pressure in December
Porter, TX

Average pressure in December - Porter, 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 (29.93"Hg).

Average wind speed in December
Porter, TX

Average wind speed in December - Porter, TX
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).

Average humidity in December
Porter, TX

Average humidity in December - Porter, TX
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Porter, TX

Average rainfall in December - Porter, TX
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (0.98").

Average rainfall days in December
Porter, TX

Average rainfall days in December - Porter, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is September (17.2 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Porter, TX

Average snowfall in December - Porter, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Porter, TX

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

The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

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

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

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Porter, TX

Average sunshine days in December - Porter, TX
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is September (10.3 days).

Average UV index in December
Porter, TX

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

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 3).

Average cloud cover in December
Porter, TX

Average cloud cover in December - Porter, TX
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Porter, TX

Average visibility in December - Porter, TX
  • Average visibility in December: 6mi

The months with the highest visibility are January, June, August, September, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May and July (5mi).

Porter, Texas, USA

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