Panguitch climate

Panguitch Frost Dates and Growing Season

NOAA 1991-2020 normals for Panguitch, 0.9 km from Panguitch, elevation 6647 ft

Frost and the growing season

NOAA's 1991-2020 freeze probabilities for Panguitch. A median date has an even chance of a later freeze in spring, or an earlier one in fall.

The last spring freeze typically comes around June 12 and the first fall freeze around September 12, a growing season of about 90 days.

Median at 32°F
last June 12, first September 12
Median at 28°F
last May 29, first September 22

Last freeze in spring

The chance of a later freeze than the date shown. At 10 percent, one spring in ten still freezes after the date; planting after the 10 percent date for 32°F is the cautious choice.

Threshold10%20%30%40%50%60%70%80%90%
36°F–––––––––
32°FJun 27Jun 22Jun 18Jun 15Jun 12Jun 9Jun 6Jun 4May 31
28°FJun 15Jun 8Jun 4May 31May 29May 26May 22May 18May 13
24°FMay 30May 24May 20May 15May 12May 8May 5May 1Apr 28
20°FMay 16May 9May 5May 2Apr 30Apr 27Apr 24Apr 20Apr 16
16°FMay 3Apr 28Apr 23Apr 20Apr 17Apr 14Apr 9Apr 5Mar 28

First freeze in fall

The chance of an earlier freeze than the date shown. At 10 percent, one fall in ten freezes before the date.

Threshold10%20%30%40%50%60%70%80%90%
36°F–––––––––
32°FAug 31Sep 4Sep 7Sep 10Sep 12Sep 15Sep 17Sep 20Sep 23
28°FSep 9Sep 14Sep 17Sep 20Sep 22Sep 24Sep 27Sep 29Oct 3
24°FSep 19Sep 24Sep 27Sep 29Oct 1Oct 4Oct 7Oct 11Oct 17
20°FSep 29Oct 3Oct 6Oct 9Oct 13Oct 16Oct 19Oct 23Oct 30
16°FOct 9Oct 15Oct 18Oct 22Oct 24Oct 28Oct 31Nov 3Nov 7

Growing season length

Days between the last spring and first fall freeze at each threshold, with the chance of a season at least that long.

Threshold10%20%30%40%50%60%70%80%90%
36°F837873696561575142
32°F10810297939087837870
28°F13312712211811411010610193
24°F160154149146142138133129121
20°F188179173169165160157152145
16°F214205200195191186182176169

How often it gets that cold

The share of years with at least one night at or below each temperature.

36°F or colder
100% of years
32°F or colder
100% of years
28°F or colder
100% of years
24°F or colder
100% of years
20°F or colder
100% of years
16°F or colder
100% of years

Degree days

A degree day is one degree of the daily mean temperature beyond a base, for one day. Heating degree days count cold (the fuel a house burns), cooling degree days heat, growing degree days the warmth a crop needs; each crop has its own base.

Heating degree days, base 65°F
7,838
Cooling degree days, base 65°F
129
Growing degree days, base 40°F
3,310
Growing degree days, base 45°F
2,358
Growing degree days, base 50°F
1,570
Growing degree days, base 55°F
924
Growing degree days, base 60°F
434

Growing degree days by month, base 50°F

Heating and cooling by month

MonthHeating DDCooling DDGrowing DD 50
January1,28200
February1,05000
March91101
April70709
May456196
June16318311
July3274507
August7235428
September2731196
October632023
November96301
December1,29700

What this means

NOAA computes these from the daily lows at the station over 1991-2020, fitting the dates of each year's last and first freeze to a distribution, so a date can be stated at any level of risk. 36°F is a frost risk for tender plants on a clear, calm night, since the ground cools below the air above it; 32°F is a freeze; 28°F is a hard freeze that kills most annuals.

The station is 0.9 km from Panguitch. Low ground, valleys and open fields freeze earlier and later than a town center or a hillside.

More

Sources

NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal normals for station USC00426601 (Panguitch). Public domain.