Frost Dates for American Fork, UT

Based on data from Pleasant Grove weather station, 3 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 17
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 25
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 26
First Fall Frost October 19

Hard Freeze (28°F)

Last Spring Hard Freeze March 30
First Fall Hard Freeze November 5
40.38°N, -111.80°W © OpenStreetMap

Growing Season

191 Days April 17 to October 25

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 7b

Avg. annual minimum: 5 to 10°F (−15 to −12°C)

Learn more

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

Dsa Hot-Summer Continental (Dry Summer)

Hot, dry summers and cold, wet winters. A continental version of Mediterranean climate. Summer irrigation is essential; cold-hardy crops grow well in the wet season.

Köppen climate map

Temperature

20° 40° 60° 80° 100°
32°
High: 41°F
Avg: 32°F
Low: 24°F
Jan
38°
High: 47°F
Avg: 38°F
Low: 28°F
Feb
47°
High: 58°F
Avg: 47°F
Low: 35°F
Mar
52°
High: 64°F
Avg: 52°F
Low: 40°F
Apr
61°
High: 75°F
Avg: 61°F
Low: 48°F
May
70°
High: 85°F
Avg: 70°F
Low: 56°F
Jun
79°
High: 93°F
Avg: 79°F
Low: 64°F
Jul
77°
High: 91°F
Avg: 77°F
Low: 62°F
Aug
68°
High: 82°F
Avg: 68°F
Low: 53°F
Sep
55°
High: 68°F
Avg: 55°F
Low: 42°F
Oct
43°
High: 53°F
Avg: 43°F
Low: 32°F
Nov
33°
High: 41°F
Avg: 33°F
Low: 25°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.6"
3.2"
3.23"
Jan
3.0"
3.03"
Feb
3.5"
3.50"
Mar
3.8"
3.75"
Apr
4.6"
4.56"
May
3.3"
3.26"
Jun
2.2"
2.20"
Jul
2.4"
2.42"
Aug
3.4"
3.39"
Sep
3.9"
3.91"
Oct
2.9"
2.86"
Nov
3.2"
3.20"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:17 AM – 4:43 PM · 9h 25m
Feb: 6:46 AM – 5:14 PM · 10h 27m
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 15m
Jun: 4:34 AM – 7:26 PM · 14h 52m
Jul: 4:42 AM – 7:18 PM · 14h 37m
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: 7:09 AM – 4:51 PM · 9h 43m
Dec: 7:26 AM – 4:34 PM · 9h 08m
Daylight Longest: 14h 53m · Shortest: 9h 07m

Nearby Stations

Timpanogos Cave, UT May 2 - October 16 Orem Trtmt Plt, UT April 19 - October 19 Alpine, UTMay 3 - October 12 Sundance, UTMay 17 - October 5 Utah Lake Lehi, UT April 30 - October 9 Provo Byu, UT April 18 - October 21

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