Dawson County, Montana · Frost dates
Dawson County frost dates.
First-frost, last-frost, and growing-season length for Dawson County, Montana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4b
32°F — light freeze
Last spring frost
- 10%
- 05-16
- 20%
- 05-12
- 50%
- 05-03
- 80%
- 04-24
- 90%
- 04-19
First fall frost
- 10%
- 09-22
- 20%
- 09-26
- 50%
- 10-04
- 80%
- 10-13
- 90%
- 10-17
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-03
- 50%
- 04-24
- 80%
- 04-14
- 90%
- 04-09
First fall freeze
- 10%
- 09-30
- 20%
- 10-04
- 50%
- 10-13
- 80%
- 10-22
- 90%
- 10-27
Growing season length (days, 28°F threshold)
- Short year
- 145
- Median
- 172
- Long year
- 201
Source NOAA station
GLENDIVE, MT US
14.0 mi · 30 yrs of record (1991–2020) · 2075 ft elev.
Data from GLENDIVE, MT US, 14 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.