Frost Dates for Blowhard Mtn Radar, UT

Elevation: 3260 m

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 7
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 29
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 13
First Fall Frost September 23

Hard Freeze (28°F)

Last Spring Hard Freeze May 30
First Fall Hard Freeze October 6
37.59°N, -112.86°W © OpenStreetMap

Growing Season

114 Days June 7 to September 29

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

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

10° 30° 50° 70°
23°
High: 31°F
Avg: 23°F
Low: 14°F
Jan
24°
High: 31°F
Avg: 24°F
Low: 17°F
Feb
27°
High: 35°F
Avg: 27°F
Low: 20°F
Mar
30°
High: 38°F
Avg: 30°F
Low: 23°F
Apr
40°
High: 47°F
Avg: 40°F
Low: 33°F
May
51°
High: 60°F
Avg: 51°F
Low: 42°F
Jun
59°
High: 68°F
Avg: 59°F
Low: 51°F
Jul
57°
High: 66°F
Avg: 57°F
Low: 48°F
Aug
50°
High: 58°F
Avg: 50°F
Low: 42°F
Sep
40°
High: 48°F
Avg: 40°F
Low: 32°F
Oct
30°
High: 38°F
Avg: 30°F
Low: 21°F
Nov
22°
High: 30°F
Avg: 22°F
Low: 15°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" 6.1"
4.2"
4.16"
Jan
5.2"
5.24"
Feb
6.0"
6.05"
Mar
5.0"
4.95"
Apr
5.3"
5.27"
May
1.5"
1.47"
Jun
4.2"
4.23"
Jul
5.7"
5.67"
Aug
5.7"
5.67"
Sep
6.1"
6.08"
Oct
5.4"
5.37"
Nov
4.7"
4.69"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:10 AM – 4:50 PM · 9h 40m
Feb: 6:42 AM – 5:18 PM · 10h 36m
Mar: 6:09 AM – 5:51 PM · 11h 43m
Apr: 5:31 AM – 6:29 PM · 12h 59m
May: 4:59 AM – 7:01 PM · 14h 01m
Jun: 4:42 AM – 7:18 PM · 14h 35m
Jul: 4:49 AM – 7:11 PM · 14h 21m
Aug: 5:16 AM – 6:44 PM · 13h 27m
Sep: 5:53 AM – 6:07 PM · 12h 14m
Oct: 6:30 AM – 5:30 PM · 11h 00m
Nov: 7:02 AM – 4:58 PM · 9h 56m
Dec: 7:18 AM – 4:42 PM · 9h 25m
Daylight Longest: 14h 36m · Shortest: 9h 24m

Nearby Stations

Cedar Breaks Nm, UT June 11 - October 3 Brian Head, UT June 21 - September 12 Cedar City 5e, UT May 23 - October 4 Cedar City, UTMay 4 - October 13 Cedar City Muni AP, UT May 21 - September 29 Alton, UTJune 1 - September 30

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview