Nov 12, 2025 · Record and Mean Dates of Last Occurrence in Spring and First Occurrence in Fall. For the Period January 1906 through November 2025.

The complete source for last frost dates in Tulsa, OK. Plan your plantings around the last frost date to ensure your plants don't die!

Enter your location below and we will tell you when your average first frost and last frost dates are likely to happen. You can enter a zipcode or a location like City, State.

Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know.

Use our Frost Dates Calculator to find the average date of the last spring frost (and the first fall frost) in your area—based on the nearest official weather station and your ZIP or Postal Code.

Use my interactive map to chart your first frost dates and last frost dates in any US city or town. Plus, learn how to best use this information in your garden.

An Interactive Map of Average Last Frost Dates in Oklahoma and a list of locations in Oklahoma with Average Last Frost Dates

Apr 17, 2025 · This map shows the average date past which the chances that the temperature will remain above freezing for the rest of the season are higher than the chances of return to …

Apr 16, 2025 · Luckily, the trusty Old Farmer’s Almanac has updated its frost date calculator, providing essential guidance for gardeners across the U.S. Why Should You Care about the …

Nov 12, 2025 · Average Spring Date: March 29. Average Fall Date: November 3. Average Number of Days Between Occurrences: 218. Updated: November 12, 2025.