Frost dates for Golden, IL
At Golden, the median last spring frost (32°F) is Apr 18 and the median first fall frost is Oct 21, for a typical growing season of 187 days. For a 90% chance that the last frost has passed, wait until May 1. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 18Last spring frost (median)50% chance of 32°F after this date
- May 1Safer planting date10% chance of 32°F after this date
- Oct 21First fall frost (median)50% chance of 32°F by this date
- 187 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 13 | Apr 28 | May 11 |
| 32°F | Apr 3 | Apr 18 | May 1 |
| 28°F | Mar 21 | Apr 7 | Apr 21 |
| 24°F | Mar 10 | Mar 29 | Apr 12 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 25 | Oct 11 | Oct 23 |
| 32°F | Oct 6 | Oct 21 | Nov 1 |
| 28°F | Oct 19 | Oct 31 | Nov 14 |
| 24°F | Oct 29 | Nov 10 | Nov 25 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 147 days | 166 days | 184 days |
| 32°F | 166 days | 187 days | 204 days |
| 28°F | 187 days | 207 days | 227 days |
| 24°F | 208 days | 228 days | 251 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 62339 | 6a | -10 to -5°F | 3 km |
| 62346 | 6a | -10 to -5°F | 8 km |
| 62320 | 6a | -10 to -5°F | 10 km |
| 62324 | 6a | -10 to -5°F | 13 km |
| 62311 | 6a | -10 to -5°F | 15 km |
| 62349 | 6a | -10 to -5°F | 16 km |
| 62375 | 6a | -10 to -5°F | 18 km |
| 62344 | 6a | -10 to -5°F | 19 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00113530, at 40.1064, -91.0222, elevation 219 m (718 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 124.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Quincy Regional Airport (24 km)
- Bentley (28 km)
- Perry 6 NW (37 km)
- Rushville (39 km)
- Quincy Dam 21 (41 km)
- La Harpe (53 km)
- Pittsfield #2 (57 km)
- Winchester (71 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.