Frost Dates for Grand Lake 1 Nw, CO

Frost Dates

This location has year-round freezing temperatures.

40.27°N, -105.83°W © OpenStreetMap

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 4b

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Temperature

0° 20° 40° 60° 80°
17°
High: 30°
Avg: 17°
Low: 5°
Jan
20°
High: 34°
Avg: 20°
Low: 6°
Feb
28°
High: 42°
Avg: 28°
Low: 14°
Mar
35°
High: 49°
Avg: 35°
Low: 21°
Apr
44°
High: 59°
Avg: 44°
Low: 28°
May
52°
High: 71°
Avg: 52°
Low: 34°
Jun
58°
High: 76°
Avg: 58°
Low: 40°
Jul
56°
High: 73°
Avg: 56°
Low: 38°
Aug
50°
High: 68°
Avg: 50°
Low: 32°
Sep
39°
High: 55°
Avg: 39°
Low: 23°
Oct
27°
High: 40°
Avg: 27°
Low: 13°
Nov
18°
High: 30°
Avg: 18°
Low: 5°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.1"
2.0"
2.00"
Jan
1.7"
1.66"
Feb
1.6"
1.61"
Mar
2.0"
2.03"
Apr
2.0"
1.98"
May
1.5"
1.50"
Jun
1.9"
1.94"
Jul
2.1"
2.06"
Aug
1.5"
1.50"
Sep
1.9"
1.91"
Oct
2.0"
2.04"
Nov
2.0"
2.01"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h10h9h
Jan: 7:17 AM – 4:43 PM · 9h 26m
Feb: 6:46 AM – 5:14 PM · 10h 28m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:28 AM – 6:32 PM · 13h 05m
May: 4:53 AM – 7:07 PM · 14h 14m
Jun: 4:34 AM – 7:26 PM · 14h 51m
Jul: 4:42 AM – 7:18 PM · 14h 36m
Aug: 5:12 AM – 6:48 PM · 13h 36m
Sep: 5:52 AM – 6:08 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 54m
Nov: 7:08 AM – 4:52 PM · 9h 43m
Dec: 7:26 AM – 4:34 PM · 9h 09m
Daylight Longest: 14h 52m · Shortest: 9h 08m

Nearby Stations

Grand Lake 6 Ssw, CO June 13 - September 7 Allenspark 3nw, CO June 14 - September 12 Estes Park 3 Sse, CO May 30 - September 17 Gould 4se Sfsp, CO Boulder 14 W, CO June 21 - September 2 Fraser, CO

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