Frost dates for Cumberland, WI
At Cumberland, the median last spring frost (32°F) is May 5 and the median first fall frost is Oct 4, for a typical growing season of 152 days. For a 90% chance that the last frost has passed, wait until May 18. Nearby ZIP codes are in USDA hardiness zones 4a to 4b.
- May 5Last spring frost (median)50% chance of 32°F after this date
- May 18Safer planting date10% chance of 32°F after this date
- Oct 4First fall frost (median)50% chance of 32°F by this date
- 152 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 | May 3 | May 14 | May 29 |
| 32°F | Apr 22 | May 5 | May 18 |
| 28°F | Apr 12 | Apr 25 | May 8 |
| 24°F | Apr 4 | Apr 16 | Apr 27 |
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 15 | Sep 27 | Oct 8 |
| 32°F | Sep 23 | Oct 4 | Oct 19 |
| 28°F | Oct 1 | Oct 16 | Oct 30 |
| 24°F | Oct 13 | Oct 28 | Nov 10 |
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 | 116 days | 134 days | 150 days |
| 32°F | 134 days | 152 days | 169 days |
| 28°F | 155 days | 172 days | 192 days |
| 24°F | 177 days | 195 days | 215 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 |
|---|---|---|---|
| 54829 | 4b | -25 to -20°F | 6 km |
| 54826 | 4b | -25 to -20°F | 13 km |
| 54805 | 4b | -25 to -20°F | 13 km |
| 54813 | 4b | -25 to -20°F | 14 km |
| 54889 | 4b | -25 to -20°F | 17 km |
| 54841 | 4a | -30 to -25°F | 21 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 USC00471923, at 45.5331, -92.0225, elevation 378 m (1,240 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 169.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rice Lake (23 km)
- Spooner Ag Reservoir Station (34 km)
- Luck (36 km)
- Ridgeland 1nne (37 km)
- Amery (37 km)
- Weyerhaeuser 1n (48 km)
- St. Croix Falls (51 km)
- Couderay 7 W (53 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.