Waldo County, Maine · Frost dates
Waldo County frost dates.
First-frost, last-frost, and growing-season length for Waldo County, Maine. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-07
- 80%
- 04-30
- 90%
- 04-28
First fall frost
- 10%
- 09-24
- 20%
- 09-29
- 50%
- 10-05
- 80%
- 10-15
- 90%
- 10-20
28°F — killing freeze
Last spring freeze
- 10%
- 05-06
- 20%
- 05-03
- 50%
- 04-27
- 80%
- 04-19
- 90%
- 04-13
First fall freeze
- 10%
- 10-03
- 20%
- 10-08
- 50%
- 10-19
- 80%
- 10-31
- 90%
- 11-03
Growing season length (days, 28°F threshold)
- Short year
- 150
- Median
- 175
- Long year
- 204
Source NOAA station
BELFAST, ME US
8.4 mi · 30 yrs of record (1991–2020) · 20 ft elev.
Data from BELFAST, ME US, 8.4 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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