Frost Dates for Londonderry, VT

Based on data from Peru weather station, 6 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 16
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 2
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 22
First Fall Frost September 28

Hard Freeze (28°F)

Last Spring Hard Freeze May 3
First Fall Hard Freeze October 13
43.23°N, -72.81°W © OpenStreetMap

Growing Season

139 Days May 16 to October 2

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 4b

Avg. annual minimum: −25 to −20°F (−32 to −29°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°
17°
High: 27°F
Avg: 17°F
Low: 8°F
Jan
20°
High: 31°F
Avg: 20°F
Low: 10°F
Feb
28°
High: 38°F
Avg: 28°F
Low: 17°F
Mar
40°
High: 50°F
Avg: 40°F
Low: 30°F
Apr
53°
High: 64°F
Avg: 53°F
Low: 42°F
May
61°
High: 70°F
Avg: 61°F
Low: 51°F
Jun
66°
High: 75°F
Avg: 66°F
Low: 56°F
Jul
64°
High: 73°F
Avg: 64°F
Low: 55°F
Aug
57°
High: 67°F
Avg: 57°F
Low: 47°F
Sep
46°
High: 56°F
Avg: 46°F
Low: 37°F
Oct
34°
High: 43°F
Avg: 34°F
Low: 26°F
Nov
24°
High: 32°F
Avg: 24°F
Low: 16°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" 6.2"
3.7"
3.72"
Jan
3.7"
3.74"
Feb
4.2"
4.21"
Mar
4.9"
4.92"
Apr
5.6"
5.62"
May
6.2"
6.17"
Jun
5.9"
5.90"
Jul
6.2"
6.15"
Aug
6.2"
6.16"
Sep
5.7"
5.68"
Oct
4.6"
4.56"
Nov
3.8"
3.82"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:26 AM – 4:34 PM · 9h 08m
Feb: 6:51 AM – 5:09 PM · 10h 17m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 12m
May: 4:45 AM – 7:15 PM · 14h 29m
Jun: 4:24 AM – 7:36 PM · 15h 11m
Jul: 4:33 AM – 7:27 PM · 14h 54m
Aug: 5:07 AM – 6:53 PM · 13h 47m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 47m
Nov: 7:16 AM – 4:44 PM · 9h 27m
Dec: 7:36 AM – 4:24 PM · 8h 48m
Daylight Longest: 15h 13m · Shortest: 8h 47m

Nearby Stations

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