Judith Basin County, Montana · Frost dates
Judith Basin County frost dates.
First-frost, last-frost, and growing-season length for Judith Basin County, Montana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4b
32°F — light freeze
Last spring frost
- 10%
- 06-15
- 20%
- 06-06
- 50%
- 05-25
- 80%
- 05-15
- 90%
- 05-10
First fall frost
- 10%
- 09-06
- 20%
- 09-11
- 50%
- 09-21
- 80%
- 09-29
- 90%
- 10-03
28°F — killing freeze
Last spring freeze
- 10%
- 05-25
- 20%
- 05-19
- 50%
- 05-10
- 80%
- 05-01
- 90%
- 04-27
First fall freeze
- 10%
- 09-17
- 20%
- 09-23
- 50%
- 10-01
- 80%
- 10-10
- 90%
- 10-15
Growing season length (days, 28°F threshold)
- Short year
- 115
- Median
- 144
- Long year
- 171
Source NOAA station
STANFORD, MT US
9.3 mi · 30 yrs of record (1991–2020) · 4860 ft elev.
Data from STANFORD, MT US, 9.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.