Frost Dates for Cortland West, NY

Based on data from Freeville 1 Ne 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. 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 8
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 October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 25
First Fall Hard Freeze October 24
42.59°N, -76.23°W © OpenStreetMap

Growing Season

154 Days May 7 to October 8

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.

Köppen climate map

Temperature

10° 30° 50° 70°
21°
High: 30°F
Avg: 21°F
Low: 12°F
Jan
22°
High: 33°F
Avg: 22°F
Low: 12°F
Feb
30°
High: 40°F
Avg: 30°F
Low: 20°F
Mar
43°
High: 53°F
Avg: 43°F
Low: 33°F
Apr
55°
High: 66°F
Avg: 55°F
Low: 44°F
May
64°
High: 75°F
Avg: 64°F
Low: 53°F
Jun
68°
High: 79°F
Avg: 68°F
Low: 58°F
Jul
66°
High: 78°F
Avg: 66°F
Low: 55°F
Aug
60°
High: 71°F
Avg: 60°F
Low: 49°F
Sep
48°
High: 58°F
Avg: 48°F
Low: 38°F
Oct
38°
High: 46°F
Avg: 38°F
Low: 29°F
Nov
28°
High: 35°F
Avg: 28°F
Low: 21°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.9"
2.3"
2.34"
Jan
2.7"
2.67"
Feb
3.9"
3.91"
Mar
4.7"
4.68"
Apr
4.8"
4.75"
May
5.5"
5.53"
Jun
5.5"
5.48"
Jul
5.5"
5.46"
Aug
5.9"
5.90"
Sep
4.6"
4.64"
Oct
3.2"
3.23"
Nov
2.9"
2.94"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h13.5h12.5h11h9.5h9h
Jan: 7:24 AM – 4:36 PM · 9h 13m
Feb: 6:50 AM – 5:10 PM · 10h 20m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 10m
May: 4:47 AM – 7:13 PM · 14h 25m
Jun: 4:27 AM – 7:33 PM · 15h 06m
Jul: 4:35 AM – 7:25 PM · 14h 50m
Aug: 5:08 AM – 6:52 PM · 13h 44m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:36 AM – 5:24 PM · 10h 49m
Nov: 7:14 AM – 4:46 PM · 9h 31m
Dec: 7:33 AM – 4:27 PM · 8h 54m
Daylight Longest: 15h 07m · Shortest: 8h 53m

Nearby Stations

Ithaca 13 E, NYMay 13 - October 4 Ithaca Cornell Univ, NY May 11 - October 3 Tully Heiberg Forest, NY May 12 - October 5 Spencer 1 Ne, NY May 12 - October 3 Whitney Pt Dam, NY May 4 - October 16 Aurora Rsch Farm, NY May 1 - October 21

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