Oklahoma Last Frost Date 2025 Dates. Plantmaps also created maps for. The classification of freeze temperatures is based on their effect on.
Use our 2025 frost dates calculator to find the average dates of the last light freeze of spring and the first light freeze of fall for locations across the u.s. We’ve created average first frost dates, average last frost dates and average number of days with frost maps for most us states and candian provinces.