Robstown (TX) Weather & Climate: Best Time to Visit

The climate in Robstown is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very hot 36°C (97°F) in August to a pleasant 19°C (66°F) in the coolest month, January.

Nights vary from 25°C (77°F) in August to around 7°C (45°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Robstown receives mid-range precipitation levels, with 724 mm (29 in) annually. The climate in Robstown shows significant variation throughout the year. Expect high rainfall in September, the wettest month, with an average of 138 mm (5.4 in) of precipitation over 12 rainy days.

In contrast, the driest month December offers drier and sunnier days, with around 27 mm (1.1 in) of rainfall over 6 rainy days. For more details, please visit our Robstown Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Robstown serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.4 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Robstown.

The city experiences its highest humidity in May, reaching 79%. In March, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year