Round Rock

Stay up to date with the current weather conditions in Round Rock. Below, you will find real-time data, detailed forecasts, and helpful charts to help you plan your stay.

The climate in Round Rock, USA, can be described as subtropical, featuring hot summers and mild winters. The city experiences distinct seasonal changes. Summers, particularly in July and August, are very warm, with average temperatures often exceeding 30°C and peak highs reaching up to 35-36°C. Winters, by contrast, are quite comfortable: average temperatures in January and December hover around 11-13°C, with lows rarely dropping to extreme levels.

One of the key features of Round Rock's climate is the relatively low level of precipitation throughout the year, typically not exceeding 2-5 mm per month. While some months, such as May, may see a higher number of rainy days (up to 14), the total rainfall remains low, indicating mostly light and brief showers. Spring and autumn are pleasant transition periods with moderate temperatures, creating comfortable conditions for sightseeing and outdoor activities.

The climate in Round Rock is characterized by noticeable seasonal temperature fluctuations, offering a variety of weather conditions throughout the year. The hottest months are July and August, when average temperatures consistently stay around 30.0°C and 30.4°C, respectively. In August, daytime highs can reach nearly 36°C, and in July, 35.4°C. January is traditionally the coolest month, with an average temperature of 11.0°C; during this time, nighttime lows can drop to 5.7°C.

Summer in Round Rock, spanning from June to August, is defined by hot weather. Average daytime temperatures during these months range from 33.5°C to 35.9°C, creating true summer heat. Nights also remain warm, with lows hovering around 23-25°C. The winter period, from December to February, brings mild and cool weather. Average daytime temperatures typically range from 16.4°C to 18.3°C, while nighttime lows fall between 5.7°C and 8.2°C. It is worth noting that Round Rock experiences significant daily temperature swings year-round: the difference between daytime highs and nighttime lows is often about 10-11°C.

Spring months, from March to May, are characterized by a gradual and pleasant increase in warmth. The average temperature in March is 17.8°C, rising to a comfortable 24.9°C by May. Autumn, especially September and October, also offers pleasant weather after the summer heat. In September, the average temperature is 27.3°C, gradually cooling to 16.2°C by November. These transitional seasons are often considered the most comfortable for visiting the city and enjoying outdoor activities.

In Round Rock, precipitation occurs throughout the year, though its intensity and frequency vary by month. There is no distinct rainy season or prolonged dry period, but certain months are wetter than others. Given the temperature patterns, precipitation primarily falls as rain.

The wettest month in Round Rock is May, with an average of 5 mm of rainfall and up to 14 rainy days. April also stands out with increased humidity, seeing 3 mm of precipitation and approximately 12 rainy days. This indicates that spring, particularly the second half, is the period when rain is most likely.

During the rest of the year, rainfall amounts are generally lower. For instance, January, February, March, June, July, November, and December see only about 2 mm of precipitation. The fewest rainy days (averaging 7) occur in January, July, August, and November. In summer, despite the high temperatures, rain still happens but is usually short-lived. Overall, while the total volume of precipitation in Round Rock is modest, showers can occur with some regularity throughout the year.

When planning a trip to Round Rock, it is important to consider its predominantly warm climate. In summer, especially from June to August, when average temperatures stay around 28-30°C and highs can reach 35°C or more, you will need light and breathable clothing: T-shirts, shorts, and sundresses made from natural fabrics. Don’t forget sunscreen, a hat, and sunglasses for protection from the bright sun. Comfortable walking shoes are essential year-round, as Round Rock offers many interesting places to explore.

In spring (March–May) and autumn (September–October), the weather remains warm with average temperatures ranging from 17°C to 27°C; however, evenings can be cooler, making layering a smart choice—bring along a light jacket or cardigan. Winter months (December–February) in Round Rock are mild, with averages around 11-13°C, but lows can dip to 5-7°C, so a sweater and a light jacket are recommended. Although overall rainfall is low (2-5 mm per month), rainy days occur regularly (7 to 14 days per month), so a compact umbrella or a light raincoat will help you stay comfortable during your walks.