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Frost Dates for Penn Yan, New York, USA United States of America

Coordinates: 42.659, -77.061

Growing Season

The last spring air frost in Penn Yan, New York, USA United States of America typically occurs around May 9, and the first autumn air frost around Sep 17. This gives a frost-free growing season of approximately 131 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 5b, where the average annual extreme minimum temperature is -26.1 to -23.3°C (-15 to -10°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is January, with an average low of -8°C (18°F). The warmest month is July, with an average high of 27°C (81°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 9 (last spring) to Sep 17 (first autumn). Light ground frost (-1°C / 30°F): Apr 29 (last spring) to Sep 28 (first autumn). Hard ground frost (-2°C / 28°F): Apr 15 (last spring) to Oct 13 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 5b

... and the frost data for your area is ...

Current Risk Level: Hard Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 9 to Sep 17, which provides approximately 130 frost free days.

For the less tender plants, or if you are planning to protect your plants with fleece etc, your growing season could stretch from Apr 29 to Sep 28, which provides a total of 152 days for growing.

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