Frost Dates for Monte Vista, CO

Based on data from Monte Vista 2w weather station, 2 miles away

Elevation: 7664 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. June 11
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. September 13
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 June 17
First Fall Frost September 7

Hard Freeze (28°F)

Last Spring Hard Freeze May 30
First Fall Hard Freeze September 23
37.58°N, -106.15°W © OpenStreetMap

Growing Season

94 Days June 11 to September 13

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.

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° 20° 50° 80°
15°
High: 33°F
Avg: 15°F
Low: -2°F
Jan
22°
High: 40°F
Avg: 22°F
Low: 5°F
Feb
34°
High: 52°F
Avg: 34°F
Low: 16°F
Mar
41°
High: 59°F
Avg: 41°F
Low: 22°F
Apr
49°
High: 67°F
Avg: 49°F
Low: 31°F
May
58°
High: 77°F
Avg: 58°F
Low: 38°F
Jun
63°
High: 80°F
Avg: 63°F
Low: 45°F
Jul
61°
High: 78°F
Avg: 61°F
Low: 43°F
Aug
54°
High: 73°F
Avg: 54°F
Low: 35°F
Sep
42°
High: 62°F
Avg: 42°F
Low: 23°F
Oct
30°
High: 48°F
Avg: 30°F
Low: 12°F
Nov
17°
High: 35°F
Avg: 17°F
Low: 0°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.5"
1.9"
1.91"
Jan
1.7"
1.69"
Feb
2.5"
2.50"
Mar
2.4"
2.40"
Apr
2.1"
2.10"
May
1.8"
1.80"
Jun
2.1"
2.06"
Jul
2.2"
2.17"
Aug
2.1"
2.10"
Sep
2.3"
2.34"
Oct
2.3"
2.32"
Nov
2.2"
2.17"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:24 AM – 5:04 PM · 9h 41m
Feb: 7:01 AM – 5:37 PM · 10h 36m
Mar: 7:23 AM – 7:06 PM · 11h 43m
Apr: 6:36 AM – 7:34 PM · 12h 59m
May: 6:00 AM – 8:02 PM · 14h 01m
Jun: 5:47 AM – 8:22 PM · 14h 35m
Jul: 5:60 AM – 8:21 PM · 14h 21m
Aug: 6:25 AM – 7:52 PM · 13h 27m
Sep: 6:52 AM – 7:06 PM · 12h 14m
Oct: 7:20 AM – 6:20 PM · 11h 00m
Nov: 6:52 AM – 4:48 PM · 9h 56m
Dec: 7:18 AM – 4:43 PM · 9h 25m
Daylight Mountain Time (MT) Longest: 14h 36m · Shortest: 9h 24m

Nearby Stations

Center 4 Ssw, CO May 24 - September 24 Del Norte 3ene, CO May 23 - September 25 Waverly 1w, CO June 6 - September 15 Alamosa 1e, CO May 30 - September 17 Alamosa San Luis AP, CO June 7 - September 15 Manassa, COMay 28 - September 21

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