Round Rock (TX) Climate by Month
Round Rock experiences great temperature shifts.
The city's weather can transition from very hot days
to mild weather.
It receives a moderate amount of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
The climate in Round Rock is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very hot 36°C in August to a moderate 16°C in January. Nighttime temperatures can drop, with averages reaching 3°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Round Rock receives mid-range precipitation levels, with 907 mm annually. The seasons in Round Rock, bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 116 mm of precipitation. This rainfall is distributed across 7 rainy days. In contrast, the driest month, February, experiences much less rainfall, totaling 32 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Round Rock, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.1 hours.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Round Rock.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Round Rock ranges from 3°C in January to 4°C in February.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Round Rock in the United States of America
During the months of March and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 36°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 16°C.
October tops the wettest month list with 116 mm of rainfall.
February is the driest month with 32 mm of precipitation.
July is the sunniest month with an average of 317 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
