Last frost date in Merced, California

March 3

Average last frost in spring. In an early year (1 in 10) it's over by February 2; in a late year (1 in 10) it comes after April 10.

November 24

Average first frost in fall. 1 year in 10 it comes by November 5.

Source: NOAA U.S. Climate Normals 1991–2020, station Merced (USC00045532), 2.4 miles from Merced, elevation 154 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Atwater, so its frost dates are the same as Merced's.

What to plant now

Frost dates for Merced, California
Early yearAverageLate year
Last frost in springFeb 2Mar 3Apr 10
First frost in fallNov 5Nov 24Dec 14

Frost-free days in an average year: 263

Light frost, frost and hard freeze in Merced
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 7Nov 8
Frost (32°F)Every yearMar 3Nov 24
Hard freeze (28°F)9 years in 10Feb 2Dec 11

Nights at 32°F or colder in an average year: 24

What to plant now in Merced

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

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