Weather on February 21
Round Rock, TX
55 Years of Data
Avg High
70°F
Avg Low
44°F
Warmest
2011
71°F avg
Coldest
2025
26°F avg
About This Date
February 21st in Round Rock, TX typically brings pleasant winter weather, with average highs around 70°F and lows near 44°F — a 26°F daily swing. Over 31 years of records, the warmest February 21st was in 2011 (71°F average), while the coldest was 2025 (26°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 32% of February 21st dates historically, with the wettest February 21st recording 1.68" of rain.
Planning for February 21st in Round Rock, TX? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 65° | 52° | 58° | — | — |
| 2025coldest | 36° | 16° | 26° | — | — |
| 2024 | 79° | 40° | 59° | — | — |
| 2023 | 83° | 60° | 71° | — | — |
| 2022 | 69° | 39° | 54° | — | — |
| 2021 | 58° | 26° | 42° | — | — |
| 2020 | 49° | 33° | 41° | 0.25" | — |
| 2019 | 64° | 38° | 51° | — | — |
| 2018 | 69° | 39° | 54° | 0.97" | — |
| 2017 | 69° | 48° | 59° | 0.05" | — |
| 2016 | 73° | 63° | 68° | — | — |
| 2015 | 73° | 57° | 65° | — | — |
| 2014 | 79° | 36° | 57° | — | — |
| 2013 | 65° | 51° | 58° | 0.13" | — |
| 2012 | 69° | 45° | 57° | — | — |
| 2011warmest | 79° | 63° | 71° | — | — |
| 2010 | 64° | 53° | 59° | 0.18" | — |
| 2009 | 71° | 32° | 52° | — | — |
| 2008 | 72° | 55° | 63° | — | — |
| 1982 | 82° | 53° | 68° | — | — |
| 1981 | 81° | 51° | 66° | — | — |
| 1980 | 81° | 52° | 66° | — | — |
| 1979 | 69° | 36° | 52° | 0.05" | — |
| 1978 | 51° | 26° | 39° | — | — |
| 1977 | 74° | 42° | 58° | — | — |
| 1976 | 78° | 44° | 61° | 1.68" | — |
| 1975 | 72° | 49° | 60° | — | — |
| 1974 | 75° | 32° | 54° | 1.47" | — |
| 1973 | 58° | 42° | 50° | 0.91" | — |
| 1972 | 81° | 60° | 70° | — | — |
| 1971 | 78° | 45° | 61° | 0.15" | — |
31 years of data from GEORGETOWN