Frost Dates for Estes Park, CO

Based on data from Estes Park 3 Sse weather station, 2 miles away

Elevation: 7546 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 30
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 17
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 4
First Fall Frost September 11

Hard Freeze (28°F)

Last Spring Hard Freeze May 16
First Fall Hard Freeze September 28
40.38°N, -105.52°W © OpenStreetMap

Growing Season

110 Days May 30 to September 17

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°
27°
High: 37°F
Avg: 27°F
Low: 16°F
Jan
27°
High: 38°F
Avg: 27°F
Low: 16°F
Feb
33°
High: 45°F
Avg: 33°F
Low: 21°F
Mar
39°
High: 52°F
Avg: 39°F
Low: 26°F
Apr
48°
High: 61°F
Avg: 48°F
Low: 35°F
May
58°
High: 74°F
Avg: 58°F
Low: 43°F
Jun
64°
High: 80°F
Avg: 64°F
Low: 48°F
Jul
62°
High: 78°F
Avg: 62°F
Low: 46°F
Aug
54°
High: 70°F
Avg: 54°F
Low: 39°F
Sep
43°
High: 57°F
Avg: 43°F
Low: 30°F
Oct
34°
High: 44°F
Avg: 34°F
Low: 24°F
Nov
26°
High: 36°F
Avg: 26°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" 1" 2" 2.9"
1.7"
1.67"
Jan
1.5"
1.50"
Feb
2.3"
2.28"
Mar
2.9"
2.87"
Apr
2.7"
2.70"
May
2.2"
2.22"
Jun
2.6"
2.64"
Jul
2.2"
2.18"
Aug
2.1"
2.10"
Sep
2.3"
2.28"
Oct
2.3"
2.32"
Nov
1.9"
1.88"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:29 AM – 4:54 PM · 9h 26m
Feb: 7:03 AM – 5:30 PM · 10h 27m
Mar: 7:21 AM – 7:02 PM · 11h 41m
Apr: 6:30 AM – 7:35 PM · 13h 05m
May: 5:51 AM – 8:06 PM · 14h 14m
Jun: 5:36 AM – 8:28 PM · 14h 52m
Jul: 5:49 AM – 8:26 PM · 14h 37m
Aug: 6:18 AM – 7:54 PM · 13h 36m
Sep: 6:49 AM – 7:04 PM · 12h 15m
Oct: 7:20 AM – 6:14 PM · 10h 54m
Nov: 6:56 AM – 4:39 PM · 9h 43m
Dec: 7:24 AM – 4:32 PM · 9h 08m
Daylight Mountain Time (MT) Longest: 14h 53m · Shortest: 9h 07m

Nearby Stations

Allenspark 3nw, CO June 14 - September 12 Waterdale, COMay 12 - October 1 Hourglass Rsvr, CO Grand Lake 1 Nw, CO Grand Lake 6 Ssw, CO June 13 - September 7 Boulder 14 W, CO June 21 - September 2

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