Last frost date in Lake Grove, New York

April 10

Average last frost in spring. In an early year (1 in 10) it's over by March 31; in a late year (1 in 10) it comes after April 25.

November 2

Average first frost in fall. 1 year in 10 it comes by October 18.

Source: NOAA U.S. Climate Normals 1991–2020, station Islip Li Macarthur AP (USW00004781), 4.5 miles from Lake Grove, elevation 84 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Lake Grove, New York
Early yearAverageLate year
Last frost in springMar 31Apr 10Apr 25
First frost in fallOct 18Nov 2Nov 15

Frost-free days in an average year: 207

Light frost, frost and hard freeze in Lake Grove
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 23Oct 21
Frost (32°F)Every yearApr 10Nov 2
Hard freeze (28°F)Every yearMar 30Nov 14

Nights at 32°F or colder in an average year: 98

What to plant now in Lake Grove

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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