Frost Dates for Fort Morgan, CO

Based on data from Ft Morgan weather station, 4 miles away

Elevation: 4327 ft

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 6
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 6
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 10
First Fall Frost October 1

Hard Freeze (28°F)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 15
40.25°N, -103.80°W © OpenStreetMap

Growing Season

153 Days May 6 to October 6

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.

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°
27°
High: 42°F
Avg: 27°F
Low: 13°F
Jan
30°
High: 45°F
Avg: 30°F
Low: 15°F
Feb
41°
High: 56°F
Avg: 41°F
Low: 25°F
Mar
48°
High: 63°F
Avg: 48°F
Low: 33°F
Apr
58°
High: 72°F
Avg: 58°F
Low: 43°F
May
69°
High: 84°F
Avg: 69°F
Low: 54°F
Jun
75°
High: 90°F
Avg: 75°F
Low: 60°F
Jul
72°
High: 88°F
Avg: 72°F
Low: 57°F
Aug
64°
High: 81°F
Avg: 64°F
Low: 47°F
Sep
50°
High: 66°F
Avg: 50°F
Low: 34°F
Oct
37°
High: 52°F
Avg: 37°F
Low: 21°F
Nov
28°
High: 42°F
Avg: 28°F
Low: 13°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.9"
0.0"
0.00"
Jan
1.0"
0.98"
Feb
2.7"
2.68"
Mar
3.4"
3.35"
Apr
3.8"
3.77"
May
4.1"
4.14"
Jun
4.9"
4.91"
Jul
3.7"
3.70"
Aug
3.4"
3.39"
Sep
4.2"
4.23"
Oct
1.4"
1.40"
Nov
0.0"
0.00"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:22 AM – 4:48 PM · 9h 26m
Feb: 6:56 AM – 5:24 PM · 10h 28m
Mar: 7:15 AM – 6:56 PM · 11h 41m
Apr: 6:23 AM – 7:28 PM · 13h 05m
May: 5:45 AM – 7:59 PM · 14h 14m
Jun: 5:30 AM – 8:21 PM · 14h 51m
Jul: 5:43 AM – 8:19 PM · 14h 36m
Aug: 6:12 AM – 7:48 PM · 13h 36m
Sep: 6:42 AM – 6:57 PM · 12h 15m
Oct: 7:14 AM – 6:08 PM · 10h 54m
Nov: 6:49 AM – 4:32 PM · 9h 43m
Dec: 7:17 AM – 4:26 PM · 9h 09m
Daylight Mountain Time (MT) Longest: 14h 52m · Shortest: 9h 08m

Nearby Stations

Woodrow 6nne, CO May 15 - October 1 New Raymer, COMay 9 - October 4 Akron Washington Co AP, CO May 6 - October 8 Briggsdale, CO May 12 - September 28 Byers 5 Ene, COMay 13 - October 2 Akron 4 E, COMay 8 - October 6

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