Enter your ZIP code, city, or state below to find the average first and last frost date in spring and fall in your area:
The dates showed above is at 50% probability level and 32°F frost temperature. If you want to start your garden earlier in the spring with higher risk of frost—or later with lower risk, use the following table:
Data provided by the National Centers for Environmental Information.
Probability level (90%, 50%, 10%) is the chance of the temperature to go below the threshold after the last frost date or before the first frost date. Using a lower probability means you have lower risk of unexpected forst damage but shorter gardening days in a year.
Empty cells indicate very small to zero chance of frost.