Frost Dates for Colby, KS

Based on data from Colby 1sw weather station, 1 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 2
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 9
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 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 23
First Fall Hard Freeze October 18
39.40°N, -101.05°W © OpenStreetMap

Growing Season

160 Days May 2 to October 9

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.

BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

10° 40° 70° 100°
29°
High: 43°F
Avg: 29°F
Low: 15°F
Jan
32°
High: 46°F
Avg: 32°F
Low: 17°F
Feb
41°
High: 56°F
Avg: 41°F
Low: 26°F
Mar
50°
High: 65°F
Avg: 50°F
Low: 34°F
Apr
60°
High: 74°F
Avg: 60°F
Low: 46°F
May
72°
High: 86°F
Avg: 72°F
Low: 57°F
Jun
77°
High: 91°F
Avg: 77°F
Low: 62°F
Jul
74°
High: 88°F
Avg: 74°F
Low: 60°F
Aug
66°
High: 81°F
Avg: 66°F
Low: 50°F
Sep
52°
High: 68°F
Avg: 52°F
Low: 36°F
Oct
40°
High: 54°F
Avg: 40°F
Low: 25°F
Nov
30°
High: 44°F
Avg: 30°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" 5.4"
1.8"
1.80"
Jan
1.7"
1.68"
Feb
2.7"
2.67"
Mar
3.4"
3.40"
Apr
3.7"
3.67"
May
5.0"
5.01"
Jun
5.4"
5.44"
Jul
4.6"
4.64"
Aug
3.4"
3.44"
Sep
3.4"
3.36"
Oct
2.4"
2.44"
Nov
1.9"
1.95"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12h11h10h9h
Jan: 7:15 AM – 4:45 PM · 9h 31m
Feb: 6:45 AM – 5:15 PM · 10h 31m
Mar: 6:09 AM – 5:51 PM · 11h 41m
Apr: 5:29 AM – 6:31 PM · 13h 03m
May: 4:55 AM – 7:05 PM · 14h 10m
Jun: 4:37 AM – 7:23 PM · 14h 46m
Jul: 4:44 AM – 7:16 PM · 14h 31m
Aug: 5:14 AM – 6:46 PM · 13h 33m
Sep: 5:53 AM – 6:07 PM · 12h 15m
Oct: 6:32 AM – 5:28 PM · 10h 56m
Nov: 7:06 AM – 4:54 PM · 9h 47m
Dec: 7:23 AM – 4:37 PM · 9h 14m
Daylight Longest: 14h 47m · Shortest: 9h 13m

Nearby Stations

Brewster 4w, KSMay 9 - October 4 Oakley 4w, KSMay 6 - October 9 Winona, KSApril 29 - October 17 Atwood, KSMay 2 - October 8 Russell Springs 3n, KS April 30 - October 14 Mc Donald, KSMay 4 - October 12

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