January Weather in Port Aransas, United States

Last updated: February 24, 2025

In January, Port Aransas experiences a mild coastal climate characterized by an average temperature of 16°C (61°F), with maximum highs reaching 25°C (77°F) and minimum lows dipping to 1°C (33°F). While the month is relatively cool, residents and visitors can expect about 48 mm (1.9 in) of precipitation spread over approximately 7 days, contributing to a humidity level of 78%. This combination creates a unique winter atmosphere, perfect for exploring the serene beaches and enjoying the beautiful natural surroundings.

January Temperature in Port Aransas

In January, Port Aransas offers a mild retreat with temperatures that start at a minimum of 1°C (33°F) and rise to a comfortable maximum of 25°C (77°F). The average temperature of 16°C (61°F) provides a refreshing change from harsher winter climates. As the month progresses, you'll notice a gradual warming, paving the way for the more temperate spring months ahead. The transition into February brings cooler nights, with minimums dipping to -4°C (26°F), yet the average remains steady. This trend showcases the coastal charm of Port Aransas, where winter is gentler than many expect, making it a delightful escape for those seeking warmth amidst the chilly season elsewhere.

January Weather in Port Aransas: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Port Aransas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec616167727882838482776964
Data source: Temperature data for Port Aransas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Port Aransas

In January, Port Aransas experiences a modest precipitation total of 48 mm (1.9 in) over roughly seven days, setting the tone for a relatively dry start to the year. This gentle rainfall is typical for January, providing a smooth transition from the wetter fall months. As the season progresses into February and March, precipitation levels remain comparable, with slight variations. Notably, February sees a subtle decline to 44 mm (1.7 in), while March experiences a slight uptick to 51 mm (2.0 in). This trend indicates a consistent pattern of early year moisture, laying the groundwork for the more substantial rainfall that typically arrives in the spring months. While January's wet conditions may not set records, they contribute to the region's overall climate narrative, highlighting the coastal influence on weather patterns as the year unfolds.

January Precipitation Trends in Port Aransas

The chart displays monthly precipitation patterns in Port Aransas, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec4844524814314612576177976455
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Port Aransas

In January, Port Aransas experiences an inviting humidity level of 78%, setting the tone for a relatively moist winter. This figure is closely followed by February, which sees a slight increase to 82%, contributing to the coastal town's lush landscape. As spring approaches in March, humidity dips just a notch to 79%, maintaining a comfortable atmosphere. The trend remains consistent through the following months, with April and May both reporting 82% and 81% humidity, respectively, before a gentle decline in the summer months, peaking at 78% from July to August. Autumn brings a subtle drop, with September marking 79% and October slightly lower at 77%. The year closes with December's 80%, rounding out the seasonal cycle. Overall, January's humidity reflects Port Aransas's tropical charm, with fluctuations that offer both variety and comfort throughout the year.

January Average Humidity in Port Aransas

This chart illustrates the average monthly humidity levels in Port Aransas, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%79%82%81%77%78%78%79%77%78%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Port Aransas

In January, Port Aransas experiences a UV Index of 6, categorizing exposure as high with a burn time of just 25 minutes. As the month progresses into February and March, the UV Index ramps up to 8 and 9 respectively, shifting to a very high exposure level and reducing burn time to 15 minutes. This upward trend continues into the spring and summer months, peaking at 12 in June, July, and August, where the exposure reaches an extreme level, necessitating a mere 10 minutes of sun exposure to risk burning. As the year approaches its end, the UV Index shows a slight decline, especially in December where it falls to 5, indicating moderate exposure. For more detailed information on UV exposure throughout the year, visit Port Aransas UV Index.

Maximum UV Index Levels in Port Aransas for January

The chart shows the monthly maximum UV Index (UVI) for Port Aransas in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121211975
Data source: Port Aransas January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Port Aransas

In Port Aransas, January marks the beginning of the year with 176 hours of sunshine, setting a vibrant tone for the months to follow. As winter transitions into spring, February sees a slight increase to 189 hours, suggesting a gentle awakening of warmth. The sun truly begins to shine brighter in March, exploding to 251 hours, and this trend continues as April and May bask in an impressive 278 and 318 hours respectively. The peak of summer arrives in June, with a dazzling 332 hours of sunshine, only slightly tapering off in July and August while still maintaining a robust presence. As autumn approaches, the sun gradually retreats, yet retains a generous amount for September and October, with 285 and 286 hours. By November and December, the sunshine dwindles to 245 and 236 hours, bringing the year to a close with a serene but noticeably cooler glow. Overall, Port Aransas experiences a delightful continuum of sunshine, peaking in the summer and gracefully declining as winter reclaims the landscape.

Monthly Sunshine Duration in Port Aransas: January Highlighted

The January sunshine duration represents the total number of hours Port Aransas experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec176h189h251h278h318h332h331h330h285h286h245h236h
Data source: Port Aransas January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Aransas During January

In Port Aransas, January sees a 48% chance of sunny weather, making it one of the more promising months for sunshine in the early year. Interestingly, this likelihood aligns with the sunny days expected in June, suggesting a trend where the beginning and mid-year enjoy a comparable amount of sunshine. Conversely, the summer months—particularly July—drop significantly to 31%, indicating that the peak heat may bring more cloud cover. As the year progresses toward fall, the chances of sun climb again, peaking in September at 60%, which highlights a seasonal shift where sunny days make a triumphant return. Overall, while January might not promise relentless sunshine, it stands as a solid beginning to a year that ultimately welcomes plenty of bright days ahead.

Percentage of Sunny Days in January in Port Aransas

The chart illustrates the percentage of sunny days in Port Aransas throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Port Aransas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%38%45%41%44%48%31%41%60%59%54%44%
Data source: Port Aransas January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Aransas in January

In Port Aransas, United States, January marks the beginning of the year with 10 hours of daylight, gradually increasing as winter gives way to spring. This upward trend continues into February, where daylight stretches to 11 hours, and by March, residents enjoy a full 12 hours. Both April and May maintain this generous daylight duration, with May peaking at 13 hours as summer approaches. Interestingly, this peak duration remains steady through the summer months of June, July, and August. As the year winds down, daylight hours gently taper off; September sees a reduction back to 12 hours, while October and November return to 11 and 10 hours, respectively, mirroring the daylight conditions of January. This cycle beautifully reflects the rhythmic changes of seasons, offering a captivating glimpse into the natural ebb and flow of light throughout the year.

Average Daylight Hours in Port Aransas for January

The chart illustrates the variation in daylight duration in Port Aransas throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 35m11h 12m12h12h 50m13h 31m13h 51m13h 40m13h 4m12h 16m11h 27m10h 44m10h 23m
Data source: Port Aransas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Port Aransas

In January, Port Aransas experiences an average wind speed of 6.1 m/s (14 mph), marking the beginning of a seasonal fluctuation that hints at the coastal charm of this vibrant locale. As winter transitions into spring, the winds gradually increase, peaking in May with a brisk 7.0 m/s (16 mph), inviting outdoor enthusiasts to embrace the refreshing maritime breezes. Notably, February sees a slight uptick to 6.8 m/s (15 mph), suggesting a pattern of increasing energy in the air. However, as the summer months approach, the winds cite a steady decline, stabilizing around 5.4 m/s (12 mph) from August to October. This gentle hush of the winds, particularly in July and August, creates a serene atmosphere perfect for beachgoers. Interestingly, November brings a slight revival with a return to 5.8 m/s (13 mph), hinting at the dynamic dance between seasonal changes and the coastal winds that define Port Aransas year-round.

Average January Wind Speed in Port Aransas

The chart displays monthly wind speed patterns in Port Aransas, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.1 m/s6.86.36.77.05.85.65.45.45.55.86.4
Data source: Port Aransas January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Port Aransas Compares to Other Months

The weather in Port Aransas changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Port Aransas and find detailed weather information for every month.

In January, temperatures in Port Aransas range from a minimum of 1°C (33°F) to a maximum of 25°C (77°F), with an average temperature of 16°C (61°F). The month experiences about 48 mm (1.9 in) of precipitation over 7 days, and the humidity hovers around 78%. In contrast, February sees a more pronounced chill with minimum temperatures dropping to -4°C (26°F), although the average remains the same at 16°C (61°F). The maximum temperature in February is slightly lower at 23°C (74°F), and precipitation is slightly less, totaling 44 mm (1.7 in) over 9 days, with humidity slightly higher at 82%. For more detailed information, check out Port Aransas weather in February.

In comparing the weather between January and March, both months exhibit mild temperatures, but March is typically warmer overall. In January, temperatures range from a minimum of 1°C (33°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). In contrast, March sees slightly higher temperatures, with a minimum of 4°C (39°F), an average of 19°C (67°F), and a maximum of 26°C (78°F). Precipitation levels are comparable, with January receiving 48 mm (1.9 in) over 7 days and March totaling 51 mm (2.0 in) over 6 days. Humidity remains fairly consistent, with 78% in January and 79% in March. For more specific information, you can check out Port Aransas weather in March.

When comparing the weather in January and April, notable differences emerge. January experiences milder temperatures, with average highs around 16°C (61°F) and lows dipping to 1°C (33°F). In contrast, April brings warmer conditions, featuring an average temperature of 22°C (72°F) and minimums of 11°C (52°F). Interestingly, both months have similar precipitation levels, with January recording 48 mm (1.9 in) over 7 days and April also at 48 mm but over just 6 days. Humidity is slightly higher in April at 82%, compared to January's 78%. For more detailed information, you can check out Port Aransas weather in April.

In January, the weather is notably cooler with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 25°C (77°F), resulting in a comfortable average of 16°C (61°F). The month sees about 48 mm (1.9 in) of precipitation over approximately 7 days, with humidity levels at 78%. In contrast, May brings a significant increase in warmth, with temperatures starting at a minimum of 19°C (67°F) and reaching up to 28°C (83°F) for an average of 25°C (78°F). Rainfall also rises to 143 mm (5.6 in) over 9 days, while humidity remains slightly higher at 81%. For a closer look at the weather during this vibrant month, you can check Port Aransas weather in May.

In January, the weather is relatively mild, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 25°C (77°F), averaging around 16°C (61°F). The month typically experiences about 48 mm (1.9 in) of precipitation over seven days, along with a high humidity level of 78%. In contrast, June brings much warmer conditions, with temperatures averaging 28°C (82°F) and peaking at 32°C (91°F), while not dropping below 23°C (74°F). This month is also wetter, receiving approximately 146 mm (5.7 in) of rain over eleven days, though humidity remains similar at 77%. For a detailed look at the weather in June, you can check Port Aransas weather in June.

In contrast to the mild temperatures of January, which range from a minimum of 1°C (33°F) to an average of 16°C (61°F) and a maximum of 25°C (77°F), July experiences a much warmer climate with temperatures starting at a minimum of 25°C (77°F), averaging 28°C (83°F), and soaring to a maximum of 31°C (88°F). Additionally, July is significantly wetter, with total precipitation reaching 125 mm (4.9 in) over approximately 9 days, compared to January’s 48 mm (1.9 in) over 7 days. Notably, while the humidity remains constant at 78% in both months, the overall feel of the weather shifts dramatically from the cooler winter days to the hot summer evenings. For more specifics on the July weather, you can refer to Port Aransas weather in July.

When comparing January and August weather, notable differences emerge in temperature and precipitation. January experiences cooler temperatures, with a minimum of 1°C (33°F) and an average of 16°C (61°F), while August boasts much warmer conditions, with a minimum of 24°C (75°F) and an average of 29°C (84°F). Additionally, January typically sees about 48 mm (1.9 inches) of precipitation over 7 days, whereas August receives more rainfall, totaling 76 mm (3.0 inches) over 9 days. Despite the varied temperatures and increased precipitation in August, humidity remains consistent at 78% during both months. For more detailed information about August weather, visit Port Aransas weather in August.

When comparing the weather between January and September, there is a stark contrast in temperatures and precipitation. January features a much cooler range with minimum temperatures dipping to 1°C (33°F) and an average of 16°C (61°F), while September boasts warmer conditions, starting at a minimum of 21°C (70°F) and an average high of 28°C (82°F). Additionally, January experiences relatively low precipitation at 48 mm (1.9 in) over 7 days, whereas September sees a significant increase with 177 mm (7.0 in) of rain over 16 days, making it a much wetter month. Despite the increase in rainfall, both months maintain similar humidity levels, hovering around 78-79%. For more detailed insights, you can refer to Port Aransas weather in September.

January and October present notable contrasts in weather patterns. In January, temperatures tend to be cooler, with minimums around 1°C (33°F) and averages at 16°C (61°F), while October enjoys milder conditions, featuring minimum temperatures of 12°C (54°F) and average highs of 25°C (77°F). Precipitation also differs, with January experiencing 48 mm (1.9 in) over about 7 days, compared to October's higher 97 mm (3.8 in) over approximately 12 days, indicating a wetter month. Humidity levels are similar, with January at 78% and October slightly lower at 77%. For more detailed insights on October's climate, visit Port Aransas weather in October.

When comparing the weather in January and November, it's noteworthy that January has a cooler temperature range, with minimums around 1°C (33°F) and average highs of 16°C (61°F). In contrast, November experiences milder conditions, with minimums at 6°C (43°F) and average highs of 21°C (69°F). Both months share a relatively high humidity level of 78%, but November tends to receive more precipitation, with 64 mm (2.5 in) over 8 days compared to January's 48 mm (1.9 in) over 7 days. For more detailed insights, you can check Port Aransas weather in November.

In January, temperatures range from a minimum of 1°C (33°F) to a maximum of 25°C (77°F), averaging around 16°C (61°F). The month experiences about 48 mm (1.9 in) of precipitation over 7 days, with humidity averaging 78%. In contrast, December offers slightly milder temperatures with a minimum of 5°C (41°F) and a maximum of 24°C (75°F), averaging 18°C (64°F). Precipitation is a bit higher at 55 mm (2.2 in) across the same number of rainy days, while humidity sits at a slightly elevated 80%. For more details, you can check Port Aransas weather in December.

Compare Port Aransas's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Port Aransas

January in Port Aransas presents a unique experience compared to the warmer months of the year. With a pleasant average temperature hovering around 16°C (61°F), it’s a refreshing change from the summer heat, yet it can dip down to as cool as 1°C (33°F), reminding visitors of winter's chill. While the air is typically humid at 78%, this month often sees some rainfall, averaging 48 mm over a handful of days, bringing life back to the surroundings. Perfect for those seeking milder weather and fewer crowds, January serves as an ideal time to enjoy the natural beauty of Port Aransas. For more insights on what to expect throughout the year, check out Port Aransas Climate.