Click on a day for an hourly weather forecast
The weather in Round Rock in August is very hot. The average temperatures are between 24°C and 36°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Round Rock during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Round Rock in August 2025.
If you’re planning to visit Round Rock in the near future, we highly recommend that you review the 14 day weather forecast for Round Rock before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 6° | 4 | 27 | 1 | 56 mm | Good | Round Rock in January |
| February | 16° / 7° | 4 | 23 | 1 | 51 mm | Good | Round Rock in February |
| March | 21° / 11° | 4 | 27 | 0 | 77 mm | Good | Round Rock in March |
| April | 25° / 14° | 5 | 25 | 0 | 90 mm | Perfect | Round Rock in April |
| May | 29° / 19° | 8 | 23 | 0 | 163 mm | Ok | Round Rock in May |
| June | 32° / 22° | 6 | 24 | 0 | 124 mm | Good | Round Rock in June |
| July | 35° / 23° | 4 | 27 | 0 | 94 mm | Ok | Round Rock in July |
| August | 36° / 24° | 3 | 28 | 0 | 101 mm | Ok | Round Rock in August |
| September | 32° / 22° | 6 | 24 | 0 | 153 mm | Good | Round Rock in September |
| October | 26° / 16° | 5 | 26 | 0 | 118 mm | Perfect | Round Rock in October |
| November | 20° / 11° | 4 | 26 | 0 | 68 mm | Good | Round Rock in November |
| December | 16° / 8° | 4 | 26 | 0 | 68 mm | Good | Round Rock in December |