Weather on December 30
Round Rock, TX
55 Years of Data
Avg High
61°F
Avg Low
40°F
Warmest
2020
66°F avg
Coldest
1982
35°F avg
About This Date
December 30th in Round Rock, TX typically brings mild winter weather, with average highs around 61°F and lows near 40°F. Over 30 years of records, the warmest December 30th was in 2020 (66°F average), while the coldest was 1982 (35°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 30th dates historically, with the wettest December 30th recording 1.04" of rain.
Planning for December 30th in Round Rock, TX? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 39° | 45° | — | — |
| 2024 | 73° | 46° | 60° | — | — |
| 2023 | 57° | 34° | 45° | — | — |
| 2022 | 72° | 50° | 61° | — | — |
| 2021 | 76° | 53° | 64° | — | — |
| 2020warmest | 72° | 61° | 66° | — | — |
| 2019 | 63° | 38° | 50° | — | — |
| 2018 | 45° | 37° | 41° | — | — |
| 2017 | 49° | 38° | 43° | — | — |
| 2016 | 59° | 45° | 52° | — | — |
| 2015 | 48° | 35° | 42° | 0.03" | — |
| 2014 | 63° | 31° | 47° | — | — |
| 2013 | 61° | 32° | 46° | — | — |
| 2012 | 51° | 27° | 39° | — | — |
| 2011 | 71° | 39° | 55° | — | — |
| 2010 | 70° | 55° | 62° | 0.03" | — |
| 2009 | 40° | 38° | 39° | 1.04" | — |
| 2008 | 71° | 33° | 52° | — | — |
| 1982coldest | 46° | 24° | 35° | 0.64" | — |
| 1981 | 56° | 35° | 45° | — | — |
| 1980 | 66° | 35° | 51° | — | — |
| 1979 | 55° | 33° | 44° | — | — |
| 1978 | 60° | — | — | 0.1" | — |
| 1977 | 60° | 49° | 54° | 0.05" | — |
| 1976 | 77° | 49° | 63° | — | — |
| 1975 | 55° | 29° | 42° | — | — |
| 1974 | 68° | 55° | 62° | 0.13" | — |
| 1973 | — | 35° | — | — | — |
| 1972 | 71° | 52° | 61° | — | — |
| 1971 | 75° | 42° | 59° | 0.1" | — |
30 years of data from GEORGETOWN