Mesa, AZ Frost Dates
The last spring frost in Mesa usually comes around February 13 and the first fall frost around December 5.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | February 13 | December 5 |
| Hard freeze, 28°F | January 16 | December 19 |
Growing season: about 298 days.
Frequently asked questions
When is the last frost in Mesa, AZ?
The median date of the last spring frost (32°F) is February 13. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past February 13 lowers the risk for tender plants.
When is the first frost in Mesa?
The median date of the first fall frost (32°F) is December 5, and a hard freeze (28°F) usually follows around December 19.
How long is the growing season in Mesa?
About 298 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USC00028499. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.