Weather on March 15
Round Rock, TX
55 Years of Data
About This Date
March 15th in Round Rock, TX typically brings pleasant spring weather, with average highs around 74°F and lows near 50°F. Over 56 years of records, the warmest March 15th was in 2008 (78°F average), while the coldest was 1988 (44°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 15th dates historically, with the wettest March 15th recording 1.57" of rain. The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Round Rock, TX? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 84° | 58° | 71° | — | — |
| 2025 | 95° | 56° | 75° | 0.18" | — |
| 2024 | 78° | 68° | 73° | 0.18" | — |
| 2023 | 67° | 46° | 56° | — | — |
| 2022 | 80° | 49° | 64° | — | — |
| 2021 | 77° | 45° | 61° | — | — |
| 2020 | 81° | 58° | 69° | — | — |
| 2019 | 74° | 47° | 60° | — | — |
| 2018 | 72° | 41° | 56° | — | — |
| 2017 | 71° | 37° | 54° | — | — |
| 2016 | 93° | 51° | 72° | — | — |
| 2015 | 77° | 49° | 63° | — | — |
| 2014 | 71° | 50° | 61° | 0.08" | — |
| 2013 | 78° | 48° | 63° | — | — |
| 2012 | 78° | 66° | 72° | — | — |
| 2011 | 71° | 40° | 55° | — | — |
| 2010 | 83° | 44° | 63° | — | — |
| 2009 | 48° | 40° | 44° | 0.03" | — |
| 2008warmest | 95° | 60° | 78° | — | — |
| 2007 | 68° | 50° | 59° | 0.25" | — |
| 2006 | 68° | 41° | 55° | — | — |
| 2005 | 83° | 41° | 62° | — | — |
| 2004 | 65° | 56° | 60° | 0.05" | — |
| 2003 | 78° | 53° | 66° | — | — |
| 2002 | 84° | 66° | 75° | — | — |
| 2001 | 64° | 51° | 58° | 0.56" | — |
| 2000 | 63° | 52° | 57° | 0.03" | — |
| 1999 | 61° | 33° | 47° | — | — |
| 1998 | 60° | 41° | 51° | 0.53" | — |
| 1997 | 52° | 38° | 45° | — | — |
| 1996 | 85° | 56° | 70° | — | — |
| 1995 | 66° | 53° | 60° | 0.05" | — |
| 1994 | 72° | 49° | 60° | 0.89" | — |
| 1993 | 58° | 37° | 47° | — | — |
| 1992 | 84° | 53° | 69° | — | — |
| 1991 | 68° | 43° | 55° | — | — |
| 1990 | 66° | 44° | 55° | 1.57" | — |
| 1989 | 90° | 58° | 74° | — | — |
| 1988coldest | 58° | 30° | 44° | — | — |
| 1987 | 71° | 49° | 60° | — | — |
| 1986 | 68° | 51° | 60° | — | — |
| 1985 | 57° | 47° | 52° | — | — |
| 1984 | 76° | 64° | 70° | 0.15" | — |
| 1983 | 75° | 56° | 65° | — | — |
| 1982 | 79° | 68° | 73° | — | — |
| 1981 | 75° | 55° | 65° | — | — |
| 1980 | 75° | 62° | 69° | — | — |
| 1979 | 60° | 45° | 52° | — | — |
| 1978 | 77° | 45° | 61° | — | — |
| 1977 | 85° | 63° | 74° | — | — |
| 1976 | 70° | 50° | 60° | 0.05" | — |
| 1975 | 65° | 43° | 54° | — | — |
| 1974 | 79° | 53° | 66° | 0.3" | — |
| 1973 | 79° | 59° | 69° | 0.03" | — |
| 1972 | 81° | 61° | 71° | — | — |
| 1971 | 82° | 43° | 62° | — | — |
Round Rock, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Round Rock, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Round Rock, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Round Rock, TX
Round Rock, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.