Frost Dates for Big Water, UT

Elevation: 1250 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 8
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 1

30% Probability

Only 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 17
First Fall Frost October 25

Hard Freeze (28°F)

Last Spring Hard Freeze March 21
First Fall Hard Freeze November 10
37.08°N, 111.66°W © OpenStreetMap

Growing Season

207 Days April 8 to November 1

USDA Hardiness Zone

Hardiness 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

Avg. annual minimum: 10 to 15°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BWk Cold Desert

Dry with hot summers and cold winters. Rainfall is minimal year-round. Short growing seasons and large temperature swings require careful timing. Cold-hardy, drought-tolerant plants are best suited.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January45°34°23°
February52°40°28°
March63°49°35°
April71°56°41°
May81°65°50°
June93°76°59°
July98°83°67°
August95°80°65°
September87°72°56°
October72°58°44°
November57°44°32°
December45°35°25°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.9
February1.8
March2.2
April1.7
May0.7
June0.0
July1.6
August2.5
September2.9
October3.4
November0.8
December2.8

Sunrise / Sunset

Daylight Longest: 14h 33m · Shortest: 9h 27m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:08 AM4:52 PM9h 43m
February6:41 AM5:19 PM10h 38m
March6:09 AM5:51 PM11h 43m
April5:31 AM6:29 PM12h 58m
May5:00 AM6:60 PM13h 59m
June4:44 AM7:16 PM14h 32m
July4:51 AM7:09 PM14h 19m
August5:17 AM6:43 PM13h 25m
September5:53 AM6:07 PM12h 13m
October6:29 AM5:31 PM11h 01m
November7:01 AM4:59 PM9h 58m
December7:16 AM4:44 PM9h 28m

Nearby Stations

Wahweap, AZMarch 14 - November 16 Paria Rs, UTApril 19 - October 23 Lees Ferry, AZ March 5 - November 19 Page Muni AP, AZ March 7 - November 15 Page, AZMarch 27 - November 9 Kodachrome Basin Park, UT May 31 - September 28

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