Frost Dates for Falmouth Foreside, ME

Based on data from Portland Intl Jetport weather station, 7 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. April 26
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 15
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 1
First Fall Frost October 9

Hard Freeze (28°F)

Last Spring Hard Freeze April 14
First Fall Hard Freeze October 27
43.73°N, -70.21°W © OpenStreetMap

Growing Season

172 Days April 26 to October 15

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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°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

10° 30° 50° 70°
24°
High: 32°F
Avg: 24°F
Low: 16°F
Jan
26°
High: 35°F
Avg: 26°F
Low: 17°F
Feb
34°
High: 42°F
Avg: 34°F
Low: 26°F
Mar
45°
High: 54°F
Avg: 45°F
Low: 35°F
Apr
55°
High: 64°F
Avg: 55°F
Low: 46°F
May
64°
High: 74°F
Avg: 64°F
Low: 55°F
Jun
70°
High: 80°F
Avg: 70°F
Low: 61°F
Jul
69°
High: 79°F
Avg: 69°F
Low: 60°F
Aug
62°
High: 71°F
Avg: 62°F
Low: 52°F
Sep
50°
High: 60°F
Avg: 50°F
Low: 41°F
Oct
40°
High: 48°F
Avg: 40°F
Low: 32°F
Nov
30°
High: 38°F
Avg: 30°F
Low: 22°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6.0"
5.0"
5.03"
Jan
4.8"
4.81"
Feb
5.0"
5.05"
Mar
5.0"
5.04"
Apr
4.8"
4.75"
May
4.2"
4.17"
Jun
5.2"
5.17"
Jul
4.4"
4.41"
Aug
4.5"
4.46"
Sep
6.0"
5.97"
Oct
5.5"
5.45"
Nov
5.6"
5.63"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:27 AM – 4:33 PM · 9h 06m
Feb: 6:52 AM – 5:08 PM · 10h 16m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:24 AM – 6:36 PM · 13h 13m
May: 4:44 AM – 7:16 PM · 14h 32m
Jun: 4:23 AM – 7:37 PM · 15h 14m
Jul: 4:32 AM – 7:28 PM · 14h 57m
Aug: 5:06 AM – 6:54 PM · 13h 48m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:17 AM – 4:43 PM · 9h 25m
Dec: 7:37 AM – 4:23 PM · 8h 46m
Daylight Longest: 15h 16m · Shortest: 8h 45m

Nearby Stations

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