Frost dates for Corpus Christi, Texas
Texas · first & last freeze, from NOAA 1991–2020 climate normals
In a typical year, the last spring freeze around Corpus Christi comes near January 22 and the first fall freeze near January 4. One year in ten, a freeze still arrives after March 3 in spring — and one year in ten, the first fall freeze has already landed by December 6. NCEI's own growing-season statistic (days between freezes, percentiled per year) puts the median at 362 days.
Freeze-date probabilities, three thresholds
| Threshold | Last spring — 9 in 10 years past by | Last spring — typical (median) | Last spring — 1 in 10 years later than | First fall — 1 in 10 years by | First fall — typical (median) | First fall — 9 in 10 years by |
|---|---|---|---|---|---|---|
| 36°F — near-freezing (frost can occur) | December 31 | February 3 | March 10 | November 30 | December 27 | February 7 |
| 32°F — freezing | December 16 | January 22 | March 3 | December 6 | January 4 | February 15 |
| 28°F — hard freeze | December 14 | January 12 | March 1 | December 10 | January 6 | February 20 |
Measured at Port Aransas 11 Ssw, TX (USC00417176), 3.9 mi from the city's census reference point, elev. 6 ft. NOAA/NCEI 1991–2020 normals. Read each date column as odds over the 30-year record — e.g. "9 in 10 years past by" means only one spring in ten saw a later freeze than that date.
Frost-free windows (computed)
| Window (32°F ends) | Opens | Closes | Length |
|---|---|---|---|
| Cautious (1-in-10 freeze risk at each end) | March 3 | December 6 | 278 days |
| Typical (median freeze dates) | January 22 | January 4 | 347 days |
| Gambler's (9-in-10 freeze risk at each end) | December 16 | February 15 | 365 days (effectively year-round at this risk level) |
Pure arithmetic on the freeze-date percentiles above — the "cautious" window opens on the date only 1 year in 10 still sees a later spring freeze, and closes on the date by which only 1 year in 10 has already frozen.
About this city's numbers
- Census entity: Corpus Christi city, Texas — official 2024 population estimate 317,317.
- Weather station: Port Aransas 11 Ssw, TX (USC00417176), 3.9 mi from the city's census-gazetteer reference point at elevation 6 ft. Frost dates are that station's history — neighborhoods vary.
- Data pulled 2026-09-05; normals period 1991-2020 (replaced by NOAA roughly once a decade).
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