Frost Dates for Howland, ME

Based on data from Lincoln Sanitary District/Wtp weather station, 12 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 4
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost May 8
First Fall Frost October 1

Hard Freeze (28°F)

Last Spring Hard Freeze April 24
First Fall Hard Freeze October 18
45.24°N, -68.66°W © OpenStreetMap

Growing Season

155 Days May 4 to October 6

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Temperature

20° 40° 60° 80°
15°
High: 26°F
Avg: 15°F
Low: 3°F
Jan
17°
High: 29°F
Avg: 17°F
Low: 5°F
Feb
28°
High: 38°F
Avg: 28°F
Low: 17°F
Mar
41°
High: 52°F
Avg: 41°F
Low: 30°F
Apr
54°
High: 66°F
Avg: 54°F
Low: 43°F
May
63°
High: 74°F
Avg: 63°F
Low: 53°F
Jun
69°
High: 79°F
Avg: 69°F
Low: 59°F
Jul
67°
High: 78°F
Avg: 67°F
Low: 57°F
Aug
59°
High: 70°F
Avg: 59°F
Low: 48°F
Sep
47°
High: 57°F
Avg: 47°F
Low: 37°F
Oct
35°
High: 44°F
Avg: 35°F
Low: 27°F
Nov
23°
High: 32°F
Avg: 23°F
Low: 15°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.1"
5.4"
5.41"
Jan
4.7"
4.65"
Feb
5.8"
5.81"
Mar
7.0"
6.99"
Apr
6.0"
6.04"
May
4.8"
4.85"
Jun
5.3"
5.27"
Jul
4.9"
4.87"
Aug
5.6"
5.56"
Sep
7.1"
7.07"
Oct
6.9"
6.88"
Nov
7.1"
7.13"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:33 AM – 4:27 PM · 8h 54m
Feb: 6:55 AM – 5:05 PM · 10h 09m
Mar: 6:11 AM – 5:49 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 17m
May: 4:39 AM – 7:21 PM · 14h 41m
Jun: 4:16 AM – 7:44 PM · 15h 27m
Jul: 4:26 AM – 7:34 PM · 15h 08m
Aug: 5:02 AM – 6:58 PM · 13h 55m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:39 AM – 5:21 PM · 10h 41m
Nov: 7:22 AM – 4:38 PM · 9h 15m
Dec: 7:44 AM – 4:16 PM · 8h 33m
Daylight Longest: 15h 29m · Shortest: 8h 31m

Nearby Stations

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