Frost Dates for Zion Np, UT

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 13
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. November 2
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 April 21
First Fall Frost October 28

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 23
First Fall Hard Freeze November 12
37.21°N, -112.98°W © OpenStreetMap

Growing Season

203 Days April 13 to November 2

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 8a

Learn more

Temperature

20° 50° 80° 110°
42°
High: 54°
Avg: 42°
Low: 30°
Jan
46°
High: 58°
Avg: 46°
Low: 34°
Feb
52°
High: 66°
Avg: 52°
Low: 39°
Mar
58°
High: 73°
Avg: 58°
Low: 44°
Apr
68°
High: 84°
Avg: 68°
Low: 53°
May
79°
High: 95°
Avg: 79°
Low: 62°
Jun
85°
High: 100°
Avg: 85°
Low: 70°
Jul
83°
High: 98°
Avg: 83°
Low: 69°
Aug
76°
High: 91°
Avg: 76°
Low: 61°
Sep
64°
High: 78°
Avg: 64°
Low: 49°
Oct
51°
High: 64°
Avg: 51°
Low: 37°
Nov
41°
High: 53°
Avg: 41°
Low: 29°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.5"
5.5"
5.51"
Jan
4.8"
4.79"
Feb
5.1"
5.08"
Mar
3.5"
3.52"
Apr
3.1"
3.10"
May
0.5"
0.50"
Jun
3.3"
3.33"
Jul
3.3"
3.33"
Aug
3.1"
3.08"
Sep
4.0"
4.05"
Oct
4.0"
3.99"
Nov
4.8"
4.81"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h15h14h13h12h11h10h9h
Jan: 7:09 AM – 4:51 PM · 9h 42m
Feb: 6:41 AM – 5:19 PM · 10h 37m
Mar: 6:09 AM – 5:51 PM · 11h 43m
Apr: 5:31 AM – 6:29 PM · 12h 58m
May: 5:00 AM – 6:60 PM · 13h 60m
Jun: 4:44 AM – 7:16 PM · 14h 33m
Jul: 4:50 AM – 7:10 PM · 14h 19m
Aug: 5:17 AM – 6:43 PM · 13h 26m
Sep: 5:53 AM – 6:07 PM · 12h 13m
Oct: 6:30 AM – 5:30 PM · 11h 01m
Nov: 7:01 AM – 4:59 PM · 9h 58m
Dec: 7:16 AM – 4:44 PM · 9h 27m
Daylight Longest: 14h 34m · Shortest: 9h 26m

Nearby Stations

Colorado City, AZ April 26 - October 25 La Verkin, UTApril 1 - November 5 Orderville, UTMay 15 - October 8 New Harmony, UTMay 9 - October 11 Blowhard Mtn Radar, UT June 7 - September 29 Pipe Spring Nm, AZ May 1 - October 19

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