![]() ![]() The probability of a frost occurring after the spring frost date or before the fall frost date is 30%, which means that there is still a chance of frost occurring before or after the given dates!įrost is predicted when air temperatures reach 32☏ (0☌), but also a frost may occur even when air temperatures are just above freezing due to open exposure to the clear night sky, which exposes surfaces to radiative cooling. Note that frost dates are only an estimate based on historical climate data and are not set in stone. Severe freeze: 24☏ (-4.4☌) and colder-heavy damage to most garden plants.Moderate freeze: 25° to 28☏ (-3.9° to -2.2☌)-widely destructive to most vegetation. ![]() Light freeze: 29° to 32☏ (-1.7° to 0☌)-tender plants are killed.The classification of freeze temperatures is based on their effect on plants: What are 2023 Frost Dates?Ī frost date is the average date of the last light freeze in spring or the first light freeze in fall. Calculated using 1991-2020 Climate Normals from NOAA. Last and first frost dates are 30% probability. Simply enter your ZIP or Postal code in the field above to see frost dates for your location (based on the nearest weather station), as well as the length of your growing season based on frost dates. Use our 2023 Frost Dates Calculator to find the average dates of the last light freeze of spring and first light freeze of fall for locations across the U.S.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |