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Measurable snow is rare in Cibolo: the 1991–2020 normal rounds to zero — only a trace in most years, and nights reach freezing on about 12 days a year. When snow or ice does arrive, it causes outsized trouble because roads are rarely treated — watch for Winter Weather Advisories and Freeze Warnings.
| Month | Snowfall | Days 1″+ | Days with snow cover | Freezing nights | Avg. low |
|---|---|---|---|---|---|
| November | 0″ | 0 | 0 | 2 | 49°F |
| December | 0″ | 0 | 0 | 5 | 42°F |
| January | 0″ | 0 | 0 | 2 | 41°F |
| February | 0″ | 0 | 0 | 2 | 45°F |
| March | 0″ | 0 | 0 | 2 | 51°F |
| Year | 0″ | 0 | 0 | 12 |
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at New Braunfels (8 mi from the city center, +10 ft elevation difference); temperatures at Randolph Afb. Averages smooth out big years: single winters can bring half or double the normal.
All Texas winter alerts and cities → · National winter storm map → · Frost dates by ZIP code →
0 inches in an average year (NOAA U.S. Climate Normals 1991–2020, New Braunfels station, 8 miles away).
This page checks the National Weather Service for active alerts at Cibolo's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
About 12 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 41 °F.