January weather forecast
Port Lavaca, TX

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Weather in January

January, like December, in Port Lavaca, Texas, is another enjoyable winter month, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 49.6°F (9.8°C).

Temperature

With its high average temperature of 62.2°F (16.8°C) and a low of 49.6°F (9.8°C), January is regarded as the coldest month.

Humidity

The average relative humidity in January in Port Lavaca is 74%.

Rainfall

In January, in Port Lavaca, the rain falls for 10.8 days. Throughout January, 1.46" (37mm) of precipitation is accumulated. In Port Lavaca, during the entire year, the rain falls for 156.8 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

The only month with snowfall in Port Lavaca, Texas, is January. The month with the most snowfall in Port Lavaca is January, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

Ocean temperature

With an average ocean temperature of 60.1°F (15.6°C), January is the month with the coldest seawater.
Note: Swimming becomes less enjoyable for most at a surface water temperature of 60.1°F (15.6°C). As the temperature decreases below 69.8°F (21°C), breathing becomes increasingly difficult.

Daylight

In January, the average length of the day is 10h and 34min.
On the first day of the month, sunrise is at 7:19 am and sunset at 5:40 pm. On the last day of January, sunrise is at 7:15 am and sunset at 6:04 pm CST.

Sunshine

In Port Lavaca, the average sunshine in January is 5.6h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 in January converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Port Lavaca?

January, with its average high-temperature of 62.2°F (16.8°C) and an average low-temperature of 49.6°F (9.8°C), holds the record as the coldest month in Port Lavaca.

What is the usual temperature for Port Lavaca in January?

During January, Port Lavaca experiences an average high-temperature of 62.2°F (16.8°C) and a low-temperature of 49.6°F (9.8°C).

What is the average humidity in January in Port Lavaca?

The average relative humidity in January in Port Lavaca, Texas, is 74%.

How many days does it rain in January in Port Lavaca?

In Port Lavaca, in January, it is raining for 10.8 days, with typically 1.46" (37mm) of accumulated precipitation.

What is the snowiest month in Port Lavaca?

January is the month with the most snowfall in Port Lavaca, Texas. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

When does it start to snow in Port Lavaca?

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

When is the ocean coldest in Port Lavaca?

With an average ocean temperature of 60.1°F (15.6°C), January is the month with the coldest seawater in Port Lavaca, Texas.

What is the ocean temperature in January in Port Lavaca?

In Port Lavaca, the average seawater temperature in January is 60.1°F (15.6°C). Swimming in 60.1°F (15.6°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 average length of the day in January in Port Lavaca?

In January, the average day length in Port Lavaca is 10h and 34min.

When is the sunrise / sunset in January in Port Lavaca?

On the first day of January, sunrise is at 7:19 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:04 pm CST.

How long on average sun shines in January in Port Lavaca?

In Port Lavaca, the average sunshine duration in January is 5.6h.

What are the months with the lowest UV index in Port Lavaca?

The months with the lowest UV index in Port Lavaca, Texas, are January and December, with an average maximum UV index of 4.

What is the UV index reading in January in Port Lavaca?

In Port Lavaca, the average daily maximum UV index in January is 4. A UV Index reading 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 January
Port Lavaca, TX

Average temperature in January - Port Lavaca, TX
  • Average high temperature in January: 62.2°F

The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (62.2°F).

  • Average low temperature in January: 49.6°F

The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).

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Average pressure in January
Port Lavaca, TX

Average pressure in January - Port Lavaca, TX
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Port Lavaca, TX

Average wind speed in January - Port Lavaca, TX
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

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Average humidity in January
Port Lavaca, TX

Average humidity in January - Port Lavaca, TX
  • Average humidity in January: 74%

The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Port Lavaca, TX

Average rainfall in January - Port Lavaca, TX
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is September (3.35").
The driest month (with the least rainfall) is February (0.87").

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Average rainfall days in January
Port Lavaca, TX

Average rainfall days in January - Port Lavaca, TX
  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is January (10.8 days).

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Average snowfall in January
Port Lavaca, TX

Average snowfall in January - Port Lavaca, TX
  • Average snowfall in January: 0.04"

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

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Average snowfall days in January
Port Lavaca, TX

Average snowfall days in January - Port Lavaca, TX
  • Average snowfall days in January: 0.1 days

The months with the highest number of snowfall days are January and December (0.1 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 sea temperature in January
Port Lavaca, TX

Average sea temperature in January - Port Lavaca, TX
  • Average sea temperature in January: 60.1°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (60.1°F).

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Average daylight in January /
Average sunshine in January
Port Lavaca, TX

Average daylight in January / Average sunshine in January - Port Lavaca, TX
  • Average daylight in January: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in January: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in January
Port Lavaca, TX

Average sunshine days in January - Port Lavaca, TX
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.5 days).

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Average UV index in January
Port Lavaca, TX

Average UV index in January - Port Lavaca, TX
  • Average UV index in January: 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 January
Port Lavaca, TX

Average cloud cover in January - Port Lavaca, TX
  • Average cloud cover in January: 40

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in January
Port Lavaca, TX

Average visibility in January - Port Lavaca, TX
  • Average visibility in January: 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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Port Lavaca, Texas, USA

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