Frost Dates for Nampa, Idaho, United States of America

Coordinates: 43.541, -116.563

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 7a

... 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 17 to Sep 12, which provides approximately 117 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 3 to Sep 22, which provides a total of 142 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 12May 17
Light Ground FrostSep 22May 3
Hard Ground FrostOct 8Apr 13