January weather forecast
Port Aransas, TX

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Weather in January

Beginning the year, the Port Aransas weather in January sees high temperatures around 62.6°F (17°C) and low temperatures around 54.9°F (12.7°C). Acknowledging the shifts in seasons, this month experiences a transition from the colder months of the year towards the upcoming spring. It is also marked with an intermediate relative humidity level, signifying the presence of moisture in the air. The early year period in Texas is known for its variable and unpredictable weather, satisfying outdoor enthusiasts or people seeking escape from cooler northern climates. Noteworthy is the presence of moisture in the air and occasional rainfall.

Temperature

Port Aransas's January weather, with an average high temperature of 62.6°F (17°C) and an average low temperature of 54.9°F (12.7°C), tends to be the coldest of the year.

Humidity

In Port Aransas, the average relative humidity in January is 76%.

Rainfall

In Port Aransas, in January, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Port Aransas, there are 126.5 rainfall days, and 14.57" (370mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Port Aransas.

Ocean temperature

In January, the average ocean temperature in Port Aransas is 62.1°F (16.7°C).
Note: The majority of individuals do not enjoy swimming in water that is 62.1°F (16.7°C). Breathing control becomes more challenging as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Port Aransas, Texas, the average length of the day in January is 10h and 37min.
On the first day of the month, sunrise is at 7:19 am and sunset at 5:44 pm. On the last day of January, sunrise is at 7:15 am and sunset at 6:07 pm CST.

Sunshine

In January, the average sunshine in Port Aransas is 5.9h.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Port Aransas. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 during January translates into the following guidance:
Adopt protective measures - It is advised to guard against sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

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

January stands out as Port Aransas's coldest month, with an average high-temperature of 62.6°F (17°C) and a low-temperature of 54.9°F (12.7°C).

What is the temperature in January in Port Aransas?

In January, the average high-temperature and low-temperature in Port Aransas, Texas, are 62.6°F (17°C) and 54.9°F (12.7°C) respectively.

What is the average humidity in January in Port Aransas?

The average relative humidity in January is 76%.

How much does it rain in Port Aransas in January?

In Port Aransas, Texas, in January, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Port Aransas?

January, March through December are months without snowfall in Port Aransas.

Does it snow in Port Aransas in January?

In Port Aransas, Texas, in January, it doesn't snow. In February, it regularly snows.

How cold is the water in January in Port Aransas?

In January, the average ocean temperature in Port Aransas, Texas, is 62.1°F (16.7°C). For swimming, a surface water temperature of 62.1°F (16.7°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in January in Port Aransas?

The average day length in January is 10h and 37min.

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

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 5:44 pm. On the last day of the month, in Port Aransas, Texas, sunrise is at 7:15 am and sunset at 6:07 pm CST.

How many hours of sunshine does Port Aransas have in January?

In January, the average sunshine duration in Port Aransas is 5.9h.

When is the lowest UV index in Port Aransas?

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

What is the UV index intensity in January in Port Aransas?

In January, the average daily maximum UV index in Port Aransas is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
65.1°F 18.4°C
62.6°F 17°C
64.8°F 18.2°C
Average low temperature
57.6°F 14.2°C
54.9°F 12.7°C
57.6°F 14.2°C
Average pressure
30.08" 764mmHg
30.13" 765mmHg
30.06" 764mmHg
Average wind speed
12.5mph 20.1km/h
12.5mph 20.1km/h
13mph 20.9km/h
Average max. wind speed
13.4mph 21.6km/h
13.2mph 21.2km/h
13.7mph 22km/h
Average wind speed gusts
18.7mph 30.1km/h
18.8mph 30.3km/h
19.9mph 32km/h
Average humidity
78%
76%
80%
Average rainfall
0.98" 25mm
0.71" 18mm
0.51" 13mm
Average rainfall days
9.8
8.4
7.8
Average snowfall
0" 0mm
0" 0mm
0.04" 1mm
Average snowfall days
0
0
0.2
Average sea temperature
66.4°F 19.1°C
62.1°F 16.7°C
61.3°F 16.3°C
Average daylight
10h 2min
10h 4min
11h 1min
Average sunshine
4h 5min
5h 5min
6h 2min
Average sunshine days
17.8
20.2
17.7
Average UV index
4
4
5
Average cloud cover
47%
41%
47%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Port Aransas, TX

Average temperature in January - Port Aransas, TX
  • Average high temperature in January: 62.6°F

The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (62.6°F).

  • Average low temperature in January: 54.9°F

The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (54.9°F).

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Average pressure in January
Port Aransas, TX

Average pressure in January - Port Aransas, TX
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in January
Port Aransas, TX

Average wind speed in January - Port Aransas, TX
  • Average wind speed in January: 12.5mph

The windiest months (with the highest average wind speed) are April and May (14.2mph).
The calmest month (with the lowest average wind speed) is September (11.3mph).

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Average humidity in January
Port Aransas, TX

Average humidity in January - Port Aransas, TX
  • Average humidity in January: 76%

The months with the highest relative humidity are March and May (81%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Port Aransas, TX

Average rainfall in January - Port Aransas, TX
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is September (2.99").
The driest months (with the least rainfall) are February and March (0.51").

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Average rainfall days in January
Port Aransas, TX

Average rainfall days in January - Port Aransas, TX
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in January
Port Aransas, TX

Average snowfall in January - Port Aransas, TX
  • Average snowfall in January: 0"

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

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Average snowfall days in January
Port Aransas, TX

Average snowfall days in January - Port Aransas, TX
  • Average snowfall days in January: 0 days

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

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Average sea temperature in January
Port Aransas, TX

Average sea temperature in January - Port Aransas, TX
  • Average sea temperature in January: 62.1°F

The best month for swimming (with the highest average sea temperature) is August (86.1°F).
The coldest month (with the lowest average sea temperature) is February (61.3°F).

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

Average daylight in January / Average sunshine in January - Port Aransas, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in January
Port Aransas, TX

Average sunshine days in January - Port Aransas, TX
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is March (20.5 days).
The month with the least sunshine days is September (10.3 days).

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Average UV index in January
Port Aransas, TX

Average UV index in January - Port Aransas, TX
  • Average UV index in January: 4

The months with the highest UV index are May, June, July, August and September (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 Aransas, TX

Average cloud cover in January - Port Aransas, TX
  • Average cloud cover in January: 41

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in January
Port Aransas, TX

Average visibility in January - Port Aransas, 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 Aransas, Texas, USA

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