Weather on April 18
Round Rock, TX
55 Years of Data
About This Date
April 18th in Round Rock, TX typically brings warm spring weather, with average highs around 80°F and lows near 58°F. Over 31 years of records, the warmest April 18th was in 1975 (78°F average), while the coldest was 2021 (55°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 42% of April 18th dates historically, with the wettest April 18th recording 6.07" of rain.
Planning for April 18th in Round Rock, TX? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 86° | 68° | 77° | — | — |
| 2025 | 86° | 67° | 76° | — | — |
| 2024 | 81° | 70° | 75° | — | — |
| 2023 | 78° | 48° | 63° | — | — |
| 2022 | 85° | 59° | 72° | — | — |
| 2021coldest | 62° | 48° | 55° | — | — |
| 2020 | 70° | 53° | 61° | — | — |
| 2019 | 81° | 58° | 69° | 1.63" | — |
| 2018 | 85° | 58° | 71° | — | — |
| 2017 | 79° | 60° | 69° | — | — |
| 2016 | 75° | 61° | 68° | 6.07" | — |
| 2015 | 73° | 62° | 68° | 1.65" | — |
| 2014 | 66° | 55° | 61° | 0.18" | — |
| 2013 | 82° | 71° | 77° | — | — |
| 2012 | 83° | 55° | 69° | — | — |
| 2011 | 86° | 45° | 65° | — | — |
| 2010 | 76° | 54° | 65° | 1.12" | — |
| 2009 | 62° | 60° | 61° | 3.07" | — |
| 2008 | 83° | 48° | 65° | 2.39" | — |
| 1982 | 78° | 64° | 71° | 0.08" | — |
| 1981 | 80° | 66° | 73° | — | — |
| 1980 | 78° | 49° | 63° | — | — |
| 1979 | 83° | 65° | 74° | 1.07" | — |
| 1978 | 86° | 56° | 71° | 0.13" | — |
| 1977 | 82° | 56° | 69° | — | — |
| 1976 | 78° | 52° | 65° | 5.44" | — |
| 1975warmest | 87° | 70° | 78° | 0.05" | — |
| 1974 | 81° | 55° | 68° | — | — |
| 1973 | 79° | 47° | 63° | 2.16" | — |
| 1972 | 89° | 65° | 77° | — | — |
| 1971 | 86° | 64° | 75° | — | — |
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.