December weather forecast
Lake Jackson, TX

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Weather in December

The first month of the winter, December, is still a refreshing month in Lake Jackson, Texas, with an average temperature fluctuating between 64.2°F (17.9°C) and 52.2°F (11.2°C).

Temperature

With the onset of December, Lake Jackson's average high-temperature slightly adjusts, moderately receding from November's pleasant 70.7°F (21.5°C) to a comfortable 64.2°F (17.9°C). Throughout December, Lake Jackson experiences a low-temperature average of 52.2°F (11.2°C).

Humidity

In Lake Jackson, the average relative humidity in December is 78%.

Rainfall

In Lake Jackson, in December, it is raining for 15.1 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 175.9 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall. December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.08" (2mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of December, sunrise is at 6:58 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:34 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.6h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 in December translates into this advice:
Undertake protective steps - Preventing sun damage is advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What are the temperatures in December?

During December, Lake Jackson experiences an average high-temperature of 64.2°F (17.9°C) and a low-temperature of 52.2°F (11.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 100.4°F (38°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How many days does it rain in December?

In Lake Jackson, in December, during 15.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.08" (2mm) of snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 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 18min of daylight.

How many hours of daylight does Lake Jackson have in December?

In Lake Jackson, the average day length in December is 10h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:34 pm CST.

What is the month with the least sunshine in Lake Jackson?

With an average of 4.6h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In December, the average sunshine duration is 4.6h.

What is the month with 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 is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Lake Jackson, TX

Average temperature in December - Lake Jackson, TX
  • Average high temperature in December: 64.2°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in December: 52.2°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).

Average pressure in December
Lake Jackson, TX

Average pressure in December - Lake Jackson, TX
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Lake Jackson, TX

Average wind speed in December - Lake Jackson, TX
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

Average humidity in December
Lake Jackson, TX

Average humidity in December - Lake Jackson, TX
  • Average humidity in December: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Lake Jackson, TX

Average rainfall in December - Lake Jackson, TX
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is September (3.98").
The driest month (with the least rainfall) is March (1.34").

Average rainfall days in December
Lake Jackson, TX

Average rainfall days in December - Lake Jackson, TX
  • Average rainfall days in December: 15.1 days

The month with the highest number of rainy days is September (19.4 days).
The month with the least rainy days is November (11.9 days).

Average snowfall in December
Lake Jackson, TX

Average snowfall in December - Lake Jackson, TX
  • Average snowfall in December: 0.08"

The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Lake Jackson, TX

Average snowfall days in December - Lake Jackson, TX
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Lake Jackson, TX

Average daylight in December / Average sunshine in December - Lake Jackson, TX
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 4h and 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in December
Lake Jackson, TX

Average sunshine days in December - Lake Jackson, TX
  • Average sunshine days in December: 12.9 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (7.6 days).

Average UV index in December
Lake Jackson, TX

Average UV index in December - Lake Jackson, 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
Lake Jackson, TX

Average cloud cover in December - Lake Jackson, TX
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Lake Jackson, TX

Average visibility in December - Lake Jackson, 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).

Lake Jackson, Texas, USA

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