Climate Insights for Aransas Pass

The climate in Aransas Pass is warm and mild. The average annual temperature is 23°C and approximately 1026mm of precipitation falls per year. Aransas Pass receives a notable amount of rainfall throughout the year, including during its driest month. Aransas Pass is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to 14°C.

Aransas Pass sees moderate temperature variation throughout the year, ranging from 14°C to 30°C. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 14°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Aransas Pass is a moderately rainy area, receiving approximately 1026mm of precipitation annually, which averages out to around 86mm per month. The wettest month is September, averaging 165mm of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 33mm. That's 132mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Aransas Pass is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Aransas Pass, which began on March 20, 2026. Aransas Pass is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in January near 14°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Aransas Pass is during January, February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 65mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Aransas Pass based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.