December weather forecast
Kemah, TX

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Weather in December

December, the first month of the winter in Kemah, is still a refreshing month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 52.2°F (11.2°C).

Temperature

As November makes way for December, Kemah's average high-temperature eases from a pleasant 69.4°F (20.8°C) to a comfortable 63°F (17.2°C). Nighttime temperature lowers to an average of 52.2°F (11.2°C) in December.

Humidity

In Kemah, the average relative humidity in December is 77%.

Rainfall

In Kemah, in December, it is raining for 7.1 days, with typically 0.51" (13mm) of accumulated precipitation. In Kemah, during the entire year, the rain falls for 122.9 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

Months with snowfall are January, September and December. The months with the most snowfall days are January, September and December, with an average of 0.1 snowfall days.

Ocean temperature

In Kemah, in December, the average water temperature is 60.4°F (15.8°C).
Note: Most people do not enjoy swimming in water of 60.4°F (15.8°C). Breathing control becomes harder as the temperature descends from 69.8°F (21°C) to 59°F (15°C).

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 6:57 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:32 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.7h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 3 during December, leads to the following recommendations:
Take precautions - Protection against sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In Kemah, in December, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 52.2°F (11.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 98.6°F (37°C).

What is the average humidity in December?

In December, the average relative humidity is 77%.

How many days does it rain in December?

In Kemah, during December, the rain falls for 7.1 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the snowiest month?

The months with the most snowfall days are January, September and December, with an average of 0.1 snowfall days.

When does it start snowing?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the ocean temperature in December?

In Kemah, the average seawater temperature in December is 60.4°F (15.8°C). Swimming in 60.4°F (15.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Kemah?

The month with the shortest days in Kemah is December, with an average of 10h and 18min of daylight.

How many hours of daylight does Kemah have in December?

The average day length in December is 10h and 17min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:32 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.7h of sunshine.

How many hours of sunshine does Kemah have in December?

In December, the average sunshine duration is 4.7h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Kemah, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Kemah, TX

Average temperature in December - Kemah, TX
  • Average high temperature in December: 63°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in December: 52.2°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

Average pressure in December
Kemah, TX

Average pressure in December - Kemah, TX
  • Average pressure in December: 30.11"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
Kemah, TX

Average wind speed in December - Kemah, TX
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).

Average humidity in December
Kemah, TX

Average humidity in December - Kemah, TX
  • Average humidity in December: 77%

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

Average rainfall in December
Kemah, TX

Average rainfall in December - Kemah, TX
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is September (1.5").
The driest months (with the least rainfall) are February and March (0.31").

Average rainfall days in December
Kemah, TX

Average rainfall days in December - Kemah, TX
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is September (15.9 days).
The month with the least rainy days is February (6.3 days).

Average snowfall days in December
Kemah, TX

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

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

Average sea temperature in December
Kemah, TX

Average sea temperature in December - Kemah, TX
  • Average sea temperature in December: 60.4°F

The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (56.8°F).

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

Average daylight in December / Average sunshine in December - Kemah, 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 July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in December
Kemah, TX

Average sunshine days in December - Kemah, TX
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is September (10.3 days).

Average UV index in December
Kemah, TX

Average UV index in December - Kemah, 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
Kemah, TX

Average cloud cover in December - Kemah, TX
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Kemah, TX

Average visibility in December - Kemah, 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).

Kemah, Texas, USA

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