May weather in Round Rock, TX
The average temperature in Round Rock in May is °F (°F–°F). Average precipitation: 4.67 inches.
May is a spring month in Round Rock, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 13h 33m.
Avg High
°F
Avg Low
°F
Precipitation
4.67 in
Daylight
13h 33m
May records in Round Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 2.00 in (1986) |
| May 2 | — | — | 3.73 in (1990) |
| May 3 | — | — | 2.07 in (1990) |
| May 4 | — | — | 0.80 in (1968) |
| May 5 | — | — | 1.17 in (1989) |
| May 6 | — | — | 1.35 in (1993) |
| May 7 | — | — | 1.54 in (1973) |
| May 8 | — | — | 1.93 in (2005) |
| May 9 | — | — | 0.62 in (1980) |
| May 10 | — | — | 2.32 in (1997) |
| May 11 | — | — | 2.48 in (1999) |
| May 12 | — | — | 0.90 in (2004) |
| May 13 | — | — | 4.70 in (1982) |
| May 14 | — | — | 2.76 in (2004) |
| May 15 | — | — | 2.78 in (2008) |
| May 16 | — | — | 3.36 in (1970) |
| May 17 | — | — | 2.41 in (1992) |
| May 18 | — | — | 3.50 in (1989) |
| May 19 | — | — | 0.65 in (1991) |
| May 20 | — | — | 1.09 in (1997) |
| May 21 | — | — | 2.50 in (1983) |
| May 22 | — | — | 2.00 in (1992) |
| May 23 | — | — | 1.76 in (1970) |
| May 24 | — | — | 2.00 in (2015) |
| May 25 | — | — | 3.25 in (1981) |
| May 26 | — | — | 5.34 in (2015) |
| May 27 | — | — | 2.96 in (2014) |
| May 28 | — | — | 1.80 in (1968) |
| May 29 | — | — | 3.50 in (1987) |
| May 30 | — | — | 1.82 in (1995) |
| May 31 | — | — | 0.82 in (1970) |