December weather forecast
Bayou Vista, TX

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Weather in December

The first month of the winter, December, is still a comfortable month in Bayou Vista, Texas, with an average temperature ranging between max 62.8°F (17.1°C) and min 54°F (12.2°C).

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from an agreeable 69.1°F (20.6°C) to a refreshing 62.8°F (17.1°C). In Bayou Vista, the month of December records an average minimum temperature of 54°F (12.2°C), a slight dip from the daily highs.

Humidity

The average relative humidity in December in Bayou Vista, Texas, is 78%.

Rainfall

In December, in Bayou Vista, the rain falls for 14.8 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. In Bayou Vista, during the entire year, the rain falls for 182.9 days and collects up to 43.46" (1104mm) of precipitation.

Snowfall

January and December are months with snowfall. December is the month with the most snowfall in Bayou Vista. Snow falls for 0.1 days and accumulates 0.12" (3mm) of snow.

Daylight

The month with the shortest days in Bayou Vista 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 5:21 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:32 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.8h of sunshine.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Bayou Vista. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during December translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are December temperatures in Bayou Vista?

In Bayou Vista, 62.8°F (17.1°C) is the average high-temperature and 54°F (12.2°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 93.2°F (34°C).

What is the average humidity in December in Bayou Vista?

The average relative humidity in December in Bayou Vista, Texas, is 78%.

How many days does it rain in December in Bayou Vista?

In Bayou Vista, in December, during 14.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When does it snow the most in Bayou Vista?

December is the month with the most snowfall in Bayou Vista. Snow falls for 0.1 days and accumulates 0.12" (3mm) of snow.

When does it start to snow in Bayou Vista?

December is the first month it typically snows in Bayou Vista. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Bayou Vista?

December has the shortest days of the year in Bayou Vista, Texas, with an average of 10h and 18min of daylight.

How many hours of daylight does Bayou Vista have in December?

The average day length in December in Bayou Vista, Texas, is 10h and 18min.

When is the sunrise / sunset in December in Bayou Vista?

On the first day of December, sunrise is at 6:57 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:32 pm CST.

What is the month with the least sunshine in Bayou Vista?

December has the least sunshine of the year in Bayou Vista, with an average of 4.8h of sunshine.

How long on average sun shines in December in Bayou Vista?

In Bayou Vista, Texas, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index in Bayou Vista?

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Bayou Vista, Texas.

What is the UV index intensity in December in Bayou Vista?

The average daily maximum UV index in December in Bayou Vista, Texas, is 4. A UV Index 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
Bayou Vista, TX

Average temperature in December - Bayou Vista, TX
  • Average high temperature in December: 62.8°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (59.9°F).

  • Average low temperature in December: 54°F

The month with the highest average low temperature is August (81.1°F).
The coldest month (with the lowest average low temperature) is January (50.7°F).

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Average pressure in December
Bayou Vista, TX

Average pressure in December - Bayou Vista, 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).

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Average wind speed in December
Bayou Vista, TX

Average wind speed in December - Bayou Vista, TX
  • Average wind speed in December: 11.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

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Average humidity in December
Bayou Vista, TX

Average humidity in December - Bayou Vista, TX
  • Average humidity in December: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Bayou Vista, TX

Average rainfall in December - Bayou Vista, TX
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is September (7.13").
The driest month (with the least rainfall) is February (1.73").

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Average rainfall days in December
Bayou Vista, TX

Average rainfall days in December - Bayou Vista, TX
  • Average rainfall days in December: 14.8 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is November (12 days).

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Average snowfall in December
Bayou Vista, TX

Average snowfall in December - Bayou Vista, TX
  • Average snowfall in December: 0.12"

The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Bayou Vista, TX

Average snowfall days in December - Bayou Vista, TX
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Bayou Vista, TX

Average daylight in December / Average sunshine in December - Bayou Vista, 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 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Bayou Vista, TX

Average sunshine days in December - Bayou Vista, TX
  • Average sunshine days in December: 12.4 days

The month with the most sunshine days is January (16 days).
The month with the least sunshine days is August (6.7 days).

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Average UV index in December
Bayou Vista, TX

Average UV index in December - Bayou Vista, TX
  • Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in December
Bayou Vista, TX

Average cloud cover in December - Bayou Vista, TX
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July, August and October (Cloud cover 27).

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Average visibility in December
Bayou Vista, TX

Average visibility in December - Bayou Vista, 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).

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Bayou Vista, Texas, USA

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