Climate & Weather in Georgetown
Georgetown has a humid subtropical climate with no dry season -- hot, muggy summers and mild winters, broadly similar to the rest of Central Texas. August highs average around 97°F and June around 92°F, with the temperature only rarely climbing above 100°F according to climate averages, and annual rainfall runs around 35 inches, concentrated unevenly in a way that produces both real flash-flood risk (see the insurance-hazard-costs topic page) and periodic dry stretches.
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Learn moreSummer: Hot and Humid, Though Triple-Digit Days Are Less Common Than in Some Nearby Cities
August, Georgetown's hottest month, averages a high around 97°F, with June averaging around 92°F -- genuinely hot by most national standards, though climate averages describe temperatures rarely climbing above 100°F, a somewhat more moderate profile than the roughly 29 days a year at 100°F+ documented for Austin proper in this site's Austin climate research. Humidity adds to the discomfort in a way a temperature-only figure understates, and this is a defining, non-trivial feature of living here regardless of the exact days-over-100 count.
Rainfall: Uneven, Producing Both Flood and Dry-Spell Risk
Georgetown receives an estimated 35 inches of rain annually, with May the wettest month (about 4.6 inches) and July the driest (about 1.8 inches). That unevenness is the same underlying mechanism behind the flash-flood risk documented on the insurance-hazard-costs page -- concentrated storm events rather than steady rainfall -- and it can also produce real dry stretches and periodic drought conditions typical of Central Texas more broadly.
Winter: Mild, With Occasional Cold Snaps
Winters in Georgetown are mild by most national comparisons, with no reliable snow season -- but, as across Central Texas, the region is not immune to occasional severe cold-weather events (the February 2021 winter storm that caused widespread Texas power-grid failures is the most consequential recent statewide example). 'Mild winters' should not be read as 'no winter weather risk at all,' even though such events are rare relative to the summer heat that defines most of the year.
Spring and Early Summer: The Season That Matters Most for Planning
Spring through early summer is when Georgetown sees its most severe thunderstorms, large hail, and flash-flood risk (see the insurance-hazard-costs topic page) -- the same atmospheric pattern that produces severe weather across the wider Central Texas region. This is the single most weather-eventful stretch of the year here, worth planning around for outdoor events, moving timelines, and home-maintenance scheduling.
Key takeaways
- August (hottest month) averages a high around 97°F and June around 92°F -- genuinely hot and humid, though climate averages describe days above 100°F as relatively rare compared to Austin proper (~29 days/year per this site's Austin research).
- Annual rainfall averages about 35 inches, with May the wettest month (~4.6 in.) and July the driest (~1.8 in.) -- an uneven pattern that drives both flash-flood risk and periodic dry stretches.
- Winters are mild with no reliable snow season, though rare severe statewide cold-weather events (e.g., February 2021) have occurred.
- Spring through early summer is the peak season for severe thunderstorms, hail, and flash flooding -- the most weather-eventful stretch of the year, worth planning around directly.
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