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First and last freeze dates in Port Arthur, TX

The first freeze of fall (a low of 32°F or colder) typically comes around Dec 5, and the last freeze of spring around Feb 10.

This fall so far (data through Oct 16, 2026): no 32°F freeze recorded yet at this station. Observed data, can lag a day or two.

Dec 5Median first fall freeze (≤32°F)

Feb 10Median last spring freeze (≤32°F)

304Median freeze-free days between

First and last freeze dates in Port Arthur

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Dec 5	Nov 19 – Dec 21	Nov 13 (2019) / Dec 27 (2001)	87%
32°F or colder (freeze)	Last in spring	Feb 10	Jan 13 – Mar 5	–	93%
28°F or colder (hard freeze)	Last in spring	Jan 24	Jan 8 – Feb 24	–	57%

Based on the station’s daily minimum temperature, 1995–2024. “Freeze” here means a daily low at or below the threshold, which is not the same as visible frost. Your yard can differ by several degrees and days from an airport weather station, so use these as planning odds, not guarantees.

The median stretch between the last spring freeze and the first fall freeze (the freeze-free season) was about 304 days.

Nearby weather stations

Source station: Port Arthur Se Tx Rgnl Ap (USW00012917), elevation 13 ft. Data: NOAA NCEI GHCN-Daily. Computed by First Snow Dates; how we calculate this. Historical averages only; for a forecast see weather.gov.

Planning for winter? Heat pump vs gas furnace, propane and oil: heating cost in Texas (on our sister site PlugVsPump, from EIA prices).