Frost Dates for Cottonwood Heights, UT

Based on data from Cottonwood Weir weather station, 1 miles away

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. April 29
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 22
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 8
First Fall Frost October 16

Hard Freeze (28°F)

Last Spring Hard Freeze April 12
First Fall Hard Freeze November 1
40.62°N, -111.81°W © OpenStreetMap

Growing Season

176 Days April 29 to October 22

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 7a

Avg. annual minimum: 0 to 5°F (−18 to −15°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

20° 40° 60° 80° 100°
31°
High: 38°F
Avg: 31°F
Low: 23°F
Jan
36°
High: 44°F
Avg: 36°F
Low: 27°F
Feb
44°
High: 54°F
Avg: 44°F
Low: 34°F
Mar
50°
High: 61°F
Avg: 50°F
Low: 40°F
Apr
59°
High: 71°F
Avg: 59°F
Low: 48°F
May
70°
High: 82°F
Avg: 70°F
Low: 57°F
Jun
79°
High: 91°F
Avg: 79°F
Low: 68°F
Jul
77°
High: 89°F
Avg: 77°F
Low: 66°F
Aug
68°
High: 79°F
Avg: 68°F
Low: 56°F
Sep
54°
High: 64°F
Avg: 54°F
Low: 43°F
Oct
40°
High: 49°F
Avg: 40°F
Low: 32°F
Nov
31°
High: 38°F
Avg: 31°F
Low: 23°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.8"
4.3"
4.34"
Jan
4.4"
4.40"
Feb
6.3"
6.30"
Mar
6.8"
6.85"
Apr
5.9"
5.91"
May
4.6"
4.61"
Jun
2.5"
2.47"
Jul
2.7"
2.74"
Aug
3.6"
3.62"
Sep
4.6"
4.57"
Oct
4.4"
4.37"
Nov
4.5"
4.47"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:18 AM – 4:42 PM · 9h 24m
Feb: 6:47 AM – 5:13 PM · 10h 26m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:27 AM – 6:33 PM · 13h 05m
May: 4:52 AM – 7:08 PM · 14h 16m
Jun: 4:33 AM – 7:27 PM · 14h 54m
Jul: 4:41 AM – 7:19 PM · 14h 38m
Aug: 5:11 AM – 6:49 PM · 13h 37m
Sep: 5:52 AM – 6:08 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 53m
Nov: 7:09 AM – 4:51 PM · 9h 41m
Dec: 7:27 AM – 4:33 PM · 9h 06m
Daylight Longest: 14h 55m · Shortest: 9h 05m

Nearby Stations

Alta, UTJune 11 - September 18 Salt Lake City E Bench, UT April 25 - October 18 Mtn Dell Dam, UT May 7 - October 14 Silver Lake Brighton, UT Alpine, UTMay 3 - October 12 Draper-Point Of Mtn, UT April 18 - October 22

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