Aroostook County, Maine · Frost dates
Aroostook County frost dates.
First-frost, last-frost, and growing-season length for Aroostook County, Maine. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: moderate · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 06-01
- 20%
- 05-26
- 50%
- 05-14
- 80%
- 05-03
- 90%
- 04-30
First fall frost
- 10%
- 09-10
- 20%
- 09-16
- 50%
- 09-26
- 80%
- 10-05
- 90%
- 10-09
28°F — killing freeze
Last spring freeze
- 10%
- 05-16
- 20%
- 05-10
- 50%
- 05-01
- 80%
- 04-24
- 90%
- 04-20
First fall freeze
- 10%
- 09-21
- 20%
- 09-27
- 50%
- 10-06
- 80%
- 10-18
- 90%
- 10-25
Growing season length (days, 28°F threshold)
- Short year
- 128
- Median
- 158
- Long year
- 188
Source NOAA station
PRESQUE ISLE, ME US
28.9 mi · 30 yrs of record (1991–2020) · 599 ft elev.
Nearest qualifying NOAA station is PRESQUE ISLE, ME US, 28.9 miles away. Local frost dates may vary by 1–2 weeks from these averages.
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.