Weather on March 20
Round Rock, TX
55 Years of Data
Avg High
77°F
Avg Low
49°F
Warmest
1976
79°F avg
Coldest
2023
48°F avg
About This Date
March 20th in Round Rock, TX typically brings pleasant spring weather, with average highs around 77°F and lows near 49°F — a 28°F daily swing. Over 31 years of records, the warmest March 20th was in 1976 (79°F average), while the coldest was 2023 (48°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 19% of March 20th dates historically, with the wettest March 20th recording 7.24" of rain.
Planning for March 20th in Round Rock, TX? Great weather for outdoor activities.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 86° | 51° | 69° | — | — |
| 2025 | 77° | 43° | 60° | — | — |
| 2024 | 68° | 42° | 55° | — | — |
| 2023coldest | 60° | 35° | 48° | — | — |
| 2022 | 78° | 41° | 60° | — | — |
| 2021 | 68° | 39° | 54° | — | — |
| 2020 | 83° | 55° | 69° | 0.84" | — |
| 2019 | 71° | 49° | 60° | — | — |
| 2018 | 79° | 46° | 62° | — | — |
| 2017 | 83° | 61° | 72° | — | — |
| 2016 | 62° | 37° | 50° | — | — |
| 2015 | 79° | 63° | 71° | — | — |
| 2014 | 71° | 42° | 57° | — | — |
| 2013 | 84° | 47° | 65° | 0.46" | — |
| 2012 | 79° | 51° | 65° | 7.24" | — |
| 2011 | 84° | 64° | 74° | — | — |
| 2010 | 75° | 44° | 60° | 0.91" | — |
| 2009 | 83° | 49° | 66° | — | — |
| 2008 | 69° | 36° | 52° | — | — |
| 1982 | 83° | 63° | 73° | — | — |
| 1981 | 70° | 39° | 54° | — | — |
| 1980 | 83° | 60° | 71° | — | — |
| 1979 | 74° | 57° | 65° | 0.3" | — |
| 1978 | 79° | 62° | 70° | — | — |
| 1977 | 76° | 43° | 59° | — | — |
| 1976warmest | 89° | 68° | 79° | — | — |
| 1975 | 81° | 50° | 65° | — | — |
| 1974 | 82° | 53° | 68° | — | — |
| 1973 | 79° | 50° | 64° | 0.03" | — |
| 1972 | 80° | 57° | 69° | — | — |
| 1971 | 70° | 33° | 51° | — | — |
31 years of data from GEORGETOWN