U.S. Frost Dates by Weather Station

NOAA station USW00003927 · Texas

Frost Dates for Dallas (Dallas-Fort Worth Airport), TX

NOAA weather station Dallas Fort Worth Airport (USW00003927), Texas · elevation 560 ft (171 m) · hardiness zone 8b*

  • Lower-risk planting dateafter March 26only 1 spring in 10 still has a frost later
  • Typical last frostMarch 850% chance of a frost after it
  • Typical first fall frostNovember 2450% chance of a frost before it
  • Frost-free season262 daystypical year, 32°F
  • Hardiness zone8bcalculated*

The year at a glance

Frost season at Dallas (Dallas-Fort Worth Airport), TXSpring: a frost after February 17 in 9 years out of 10, after March 8 in half of the years, after March 26 in 1 year out of 10. Fall: the first frost comes before November 6 in 1 year out of 10, before November 24 in half of the years, before December 12 in 9 years out of 10. Typical frost-free season: 262 days.JanFebMarAprMayJunJulAugSepOctNovDecLast frost ~Mar 8First frost ~Nov 24Frost season at Dallas (Dallas-Fort Worth Airport), TXSpring: a frost after February 17 in 9 years out of 10, after March 8 in half of the years, after March 26 in 1 year out of 10. Fall: the first frost comes before November 6 in 1 year out of 10, before November 24 in half of the years, before December 12 in 9 years out of 10. Typical frost-free season: 262 days.JFMAMJJASONDLast frost ~Mar 8First frost ~Nov 24
frost likely chance fading 90% → 10% frost-free in a typical yearThe year at a glance. Blue: frost is likely; the gradient fades as the chance drops from 90% to 10%; green: the frost-free part of a typical year.

Frost dates (32°F)

Probability of frost, based on 26 years of NOAA records (1991–2020 normals)
ChanceLast frost in spring afterFirst frost in fall before
10% (unlikely)March 26November 6
50% (typical)March 8November 24
90% (likely)February 17December 12
Frost-free season (32°F, 50% chance)
262 days
Hard frost (28°F), last in spring, 50% chance after
February 25
Hard frost (28°F), first in fall, 50% chance before
December 7

The last 15 years (2006–2020 normals)

Typical last frost March 4 (4 days earlier than the 30-year normal), typical first fall frost November 26 (2 days later). Frost-free season 265 days.

A shorter, more recent NOAA period. The 30-year normals above remain the main reference: 15 years carry more year-to-year noise.

Add these dates to your calendar Yearly reminders for the typical last frost, the lower-risk planting date and the typical first fall frost (.ics).

How the chance of frost changes with the date

Spring at Dallas (Dallas-Fort Worth Airport): chance of a frost after this dateSpring, chance of a frost after the date: 10% March 26, 20% March 19, 30% March 15, 40% March 12, 50% March 8, 60% March 4, 70% February 28, 80% February 24, 90% February 17. Observed last spring frost in recent years: 2021 February 20, 2022 March 12, 2023 March 19, 2024 February 18, 2025 February 22, 2026 February 23.Spring: last frostChance of a frost after this date10%50%90%Mar 1Apr 1Mar 26Mar 8Feb 172021: February 202022: March 122023: March 192024: February 182025: February 222026: February 23Fall at Dallas (Dallas-Fort Worth Airport): chance of a frost before this dateFall, chance of a frost before the date: 10% November 6, 20% November 11, 30% November 15, 40% November 19, 50% November 24, 60% November 28, 70% December 2, 80% December 5, 90% December 12. Observed first fall frost in recent years: 2021 December 12, 2022 November 20, 2023 November 27, 2024 December 6, 2025 December 2.Fall: first frostChance of a frost before this date10%50%90%Nov 1Dec 1Nov 6Nov 24Dec 122021: December 122022: November 202023: November 272024: December 62025: December 2
Two charts, because spring and fall answer different questions: in spring, the chance that a frost still comes after a date; in fall, the chance that the first frost has already come before it. NOAA publishes these odds from 10% to 90%, so the lines stop there. ◆ marks the actual date in each recent year.

What actually happened in recent years

Observed dates of the last spring and first fall frost (32°F) at this station; ◆ marks them on the charts above
YearLast spring frostFirst fall frost
2021February 20December 12
2022March 12November 20
2023March 19November 27
2024February 18December 6
2025February 22December 2
2026February 23season not over yet

What these dates mean

March 26 is the cautious spring date, with only a 10% chance of a light frost later; this lets a gardener schedule the first planting of tender crops. The 50% light-frost date in spring is March 8, meaning a 50% chance of a frost later than this date, while the 50% light-frost date in fall is November 24, meaning a 50% chance of a frost earlier than this date. The cautious fall date for finishing tender-crop harvests is November 6, which carries a 10% chance of a frost earlier. The 50% hard-frost dates are February 25 in spring and December 7 in fall. A hard frost at 28°F can damage plants that survive a light 32°F frost. Over the 26-year record the interval between the two 32°F 50% dates spans 262 days, giving the length of the frost-free period.

How to read the probabilities

The dates are probabilities from 30 years of weather, not a forecast for this year.

  • Spring: "10% after March 26" means that in about one spring out of ten a frost still happens after that date. The 90% date is the earliest: a frost after it happens in most years.
  • Fall: "10% before November 6" means that in about one fall out of ten the first frost arrives before that date.
  • 50% is the typical date: half of the years are earlier, half are later.
  • A light frost (32°F) damages tender plants; a hard frost (28°F) also stops most hardy vegetables.

Nearby weather stations

Map of weather stations near Dallas (Dallas-Fort Worth Airport), TXNumbered nearest stations: 1 — Dallas (Love Field), TX — 10 mi; 2 — near Fort Worth, TX — 21 mi; 3 — Denton, TX — 21 mi; 4 — Burleson, TX — 33 mi; 5 — Cleburne, TX — 46 mi.TX25 mi · 40 km1. Dallas (Love Field), TX — 10 mi12. near Fort Worth, TX — 21 mi23. Denton, TX — 21 mi34. Burleson, TX — 33 mi45. Cleburne, TX — 46 mi5
  1. Dallas (Love Field), TX 10 mi (16 km)
  2. near Fort Worth, TX 21 mi (33 km)
  3. Denton, TX 21 mi (34 km)
  4. Burleson, TX 33 mi (53 km)
  5. Cleburne, TX 46 mi (74 km)

Sources

* Hardiness zone 8b: zone derived from PRISM 2023 grid at the station location (not the official USDA map). Source data: PRISM Group, Oregon State University.

Station coordinates: 32.8978, -97.0189.