Frost Dates for Lenox, MA

Based on data from Lenox Dale weather station, 2 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 7
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 3
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 13
First Fall Frost September 29

Hard Freeze (28°F)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 15
42.36°N, -73.28°W © OpenStreetMap

Growing Season

149 Days May 7 to October 3

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 5b

Avg. annual minimum: −15 to −10°F (−26 to −23°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.

Köppen climate map

Temperature

10° 30° 50° 70° 90°
22°
High: 32°F
Avg: 22°F
Low: 13°F
Jan
24°
High: 35°F
Avg: 24°F
Low: 14°F
Feb
32°
High: 43°F
Avg: 32°F
Low: 21°F
Mar
44°
High: 56°F
Avg: 44°F
Low: 32°F
Apr
56°
High: 69°F
Avg: 56°F
Low: 43°F
May
65°
High: 77°F
Avg: 65°F
Low: 52°F
Jun
70°
High: 82°F
Avg: 70°F
Low: 57°F
Jul
68°
High: 81°F
Avg: 68°F
Low: 55°F
Aug
60°
High: 72°F
Avg: 60°F
Low: 48°F
Sep
48°
High: 59°F
Avg: 48°F
Low: 37°F
Oct
37°
High: 47°F
Avg: 37°F
Low: 28°F
Nov
28°
High: 36°F
Avg: 28°F
Low: 19°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.3"
3.2"
3.17"
Jan
3.2"
3.24"
Feb
3.5"
3.46"
Mar
4.0"
3.99"
Apr
4.3"
4.34"
May
4.1"
4.11"
Jun
3.4"
3.43"
Jul
2.8"
2.80"
Aug
2.8"
2.81"
Sep
3.8"
3.82"
Oct
3.5"
3.49"
Nov
4.0"
3.96"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h13.5h12.5h11h9.5h9h
Jan: 7:23 AM – 4:37 PM · 9h 14m
Feb: 6:50 AM – 5:10 PM · 10h 21m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 10m
May: 4:48 AM – 7:12 PM · 14h 24m
Jun: 4:28 AM – 7:32 PM · 15h 05m
Jul: 4:36 AM – 7:24 PM · 14h 48m
Aug: 5:08 AM – 6:52 PM · 13h 43m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:35 AM – 5:25 PM · 10h 49m
Nov: 7:14 AM – 4:46 PM · 9h 32m
Dec: 7:33 AM – 4:27 PM · 8h 55m
Daylight Longest: 15h 06m · Shortest: 8h 54m

Nearby Stations

Pittsfield Muni AP, MA May 5 - October 5 Worthington, MAMay 13 - October 2 Copake, NYMay 4 - October 11 Valatie 1 N, NY April 27 - October 14 Norfolk 2 Sw, CT May 3 - October 11 North Adams Harriman AP, MA May 10 - October 4

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