Frost Dates for Kenosha, Wisconsin, United States of America

Coordinates: 42.585, -87.821

Growing Season

The last spring air frost in Kenosha, Wisconsin, United States of America typically occurs around Apr 29, and the first autumn air frost around Sep 30. This gives a frost-free growing season of approximately 154 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 -8°C (18°F). The warmest month is July, with an average high of 25°C (77°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Apr 29 (last spring) to Sep 30 (first autumn). Light ground frost (-1°C / 30°F): Apr 19 (last spring) to Oct 9 (first autumn). Hard ground frost (-2°C / 28°F): Apr 2 (last spring) to Oct 22 (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: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from Apr 29 to Sep 30, which provides approximately 153 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 19 to Oct 9, which provides a total of 173 days for growing.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Hard Ground Frost possible
  • Light Ground Frost possible
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostSep 30Apr 29
Light Ground FrostOct 9Apr 19
Hard Ground FrostOct 22Apr 2