Round Rock, TX Weather & Climate Normals
Round Rock's real weather, in one number
Round Rock, TX scores 53/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Round Rock's hottest and coldest months
Round Rock's hottest month is Aug, averaging 84°F; its coldest is Jan, averaging 49°F, a 35.7°F swing across the year, a middling gap by national standards.
Rain and snow in Round Rock
Over a typical year, Round Rock sees about 37.12in of precipitation a year across roughly 82 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Round Rock ranks
Round Rock ranks 1035 of 4876 US cities in this dataset for comfort score, and 142 of 384 within TX. About 135,359 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from AUSTIN GREAT HILLS, TX US, 9.9 miles from Round Rock, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated