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Frost Dates for Peyton, Colorado, USA United States of America

Coordinates: 38.972, -104.530

Growing Season

The last spring air frost in Peyton, Colorado, USA United States of America typically occurs around May 30, and the first autumn air frost around Aug 30. This gives a frost-free growing season of approximately 92 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 6a, where the average annual extreme minimum temperature is -23.3 to -20.6°C (-10 to -5°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 -9°C (16°F). The warmest month is July, with an average high of 26°C (79°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 30 (last spring) to Aug 30 (first autumn). Light ground frost (-1°C / 30°F): May 18 (last spring) to Sep 9 (first autumn). Hard ground frost (-2°C / 28°F): May 1 (last spring) to Sep 23 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 6a

... 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 30 to Aug 30, which provides approximately 91 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 May 18 to Sep 9, which provides a total of 114 days for growing.

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