Click on a day for an hourly weather forecast
The temperatures in Round Rock in May are comfortable with low of 19°C and and high up to 29°C.
You can expect rain for roughly half of the month of May in Round Rock. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Round Rock in May 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 |