Frost Dates for Evanston, WY

Based on data from Evanston 1 E weather station, 1 miles away

Elevation: 6749 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 12
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 12
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 20
First Fall Frost September 6

Hard Freeze (28°F)

Last Spring Hard Freeze May 24
First Fall Hard Freeze September 24
41.27°N, -110.96°W © OpenStreetMap

Growing Season

92 Days June 12 to September 12

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°
22°
High: 33°F
Avg: 22°F
Low: 11°F
Jan
24°
High: 35°F
Avg: 24°F
Low: 13°F
Feb
33°
High: 44°F
Avg: 33°F
Low: 21°F
Mar
40°
High: 53°F
Avg: 40°F
Low: 27°F
Apr
49°
High: 63°F
Avg: 49°F
Low: 35°F
May
57°
High: 73°F
Avg: 57°F
Low: 41°F
Jun
64°
High: 81°F
Avg: 64°F
Low: 48°F
Jul
63°
High: 80°F
Avg: 63°F
Low: 47°F
Aug
55°
High: 71°F
Avg: 55°F
Low: 39°F
Sep
44°
High: 58°F
Avg: 44°F
Low: 30°F
Oct
31°
High: 43°F
Avg: 31°F
Low: 19°F
Nov
22°
High: 33°F
Avg: 22°F
Low: 11°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.9"
2.3"
2.25"
Jan
1.4"
1.36"
Feb
2.1"
2.10"
Mar
3.0"
3.02"
Apr
3.9"
3.90"
May
3.2"
3.20"
Jun
3.2"
3.20"
Jul
3.1"
3.10"
Aug
3.7"
3.68"
Sep
3.4"
3.44"
Oct
2.7"
2.71"
Nov
2.4"
2.37"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:53 AM – 5:13 PM · 9h 20m
Feb: 7:26 AM – 5:51 PM · 10h 24m
Mar: 7:43 AM – 7:24 PM · 11h 40m
Apr: 6:51 AM – 7:58 PM · 13h 07m
May: 6:11 AM – 8:30 PM · 14h 19m
Jun: 5:55 AM – 8:53 PM · 14h 58m
Jul: 6:08 AM – 8:50 PM · 14h 42m
Aug: 6:38 AM – 8:18 PM · 13h 39m
Sep: 7:11 AM – 7:26 PM · 12h 16m
Oct: 7:43 AM – 6:35 PM · 10h 52m
Nov: 7:20 AM – 4:58 PM · 9h 38m
Dec: 7:49 AM – 4:51 PM · 9h 02m
Daylight Mountain Time (MT) Longest: 14h 59m · Shortest: 9h 01m

Nearby Stations

Evanston Burns Fld, WY June 3 - September 25 Woodruff, UT Coalville 13 E, UT Randolph, UTJune 14 - September 1 Mtn View, WYJune 14 - September 9 Echo Dam, UTMay 30 - September 18

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