William and Julia Lyman House · Photo: Ntsimp · CC0Parowan’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 86°, a January night drops to 19°, and about 55 inches of snow falls in a normal winter.
A year in Parowan at a glance
Each month’s typical high and low, and what it brings.
What stands out about Parowan’s climate
Compared with towns across the U.S., with Parowan’s place in Utah beside it.
What a year in Parowan feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 130 frost-free days a year
In half of years the last 32° night comes by May 23 and the first by October 4. Frost and day counts come from NOAA’s station at Cedar City 5e, UT, 15 miles from the town’s center, 450 ft higher.
The 2023 USDA map puts Parowan’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 55 inches of snow a winter
Snow, measured at Cedar City 5e, UT, falls mostly in February. Precipitation (rain plus melted snow) adds up to 16 inches a year; February is the wettest month and June the driest. Rain or snow falls on about 60 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Parowan
93% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Cedar City 5e, UT.
Living with Parowan’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
130 frost-free days in zone 6b. The last frost comes by May 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 4.
Months with highs of 62–84° and lows of 40° or more: May, June, August and September. 18 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Parowan from natural hazards, earthquakes are the largest share (31%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Parowan and similar climates
TownRatings has no climate map of the towns around Parowan yet.
Climates most like Parowan’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Parowan, UT | 19° | 86° | 16" | 55" |
| Castle Pines, CO | 19° | 86° | 17" | 58" |
| Doney Park, AZ | 17° | 86° | 16" | 52" |
| Pocatello, ID | 19° | 87° | 15" | 64" |
| Klamath Falls, OR | 22° | 86° | 14" | 52" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Parowan averaged 1.9° warmer than the 1900s. The biggest change is in March (+3.4°).
A bigger shift than in 85% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Parowan compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Parowan’s place among Utah’s.
Parowan weather by month
Highs, lows and precipitation from NOAA’s grid at Parowan’s center; snow, wet days and snow on the ground from Cedar City 5e, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 42° | 19° | 1.4" | 10.3" | 6 | 25° – 37° |
| February | 45° | 22° | 1.7" | 12.8" | 7 | 26° – 41° |
| March | 52° | 27° | 1.7" | 9.2" | 6 | 33° – 45° |
| April | 58° | 32° | 1.4" | 3.0" | 6 | 39° – 51° |
| May | 68° | 40° | 1.1" | 0.7" | 6 | 48° – 58° |
| June | 80° | 49° | 0.5" | 0.0" | 2 | 58° – 69° |
| July | 86° | 56° | 1.3" | 0.0" | 6 | 68° – 74° |
| August | 83° | 55° | 1.6" | 0.0" | 5 | 66° – 73° |
| September | 76° | 47° | 1.2" | 0.0" | 3 | 57° – 64° |
| October | 63° | 36° | 1.5" | 1.8" | 4 | 44° – 55° |
| November | 51° | 26° | 1.2" | 6.0" | 4 | 31° – 45° |
| December | 41° | 19° | 1.4" | 10.9" | 6 | 26° – 35° |
| Year | 62° | 36° | 15.9" | 54.7" | 60 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 31° to 45°. July is the most reliable, staying within 7°.
Where Parowan’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Parowan’s center.
- Snow: Cedar City 5e, UT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Cedar City 5e, UT, 15 miles from the town’s center, 450 ft higher; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Parowan’s climate
What is the weather like in Parowan?
A typical July afternoon reaches 86°, a January night drops to 19°, and about 55 inches of snow falls in a normal winter. Colder January nights than 64% of U.S. towns; hotter July afternoons than 54% of U.S. towns.
How cold does it get in Parowan in winter?
December nights average 19°. About 158 nights a year reach 32° or below and 3 reach 0° or below. In the coldest December of the last 30 years the month averaged 26°.
How much snow does Parowan get?
About 55 inches in a normal winter at Cedar City 5e, UT, most of it in February.
How hot does it get in Parowan?
July, with a typical high of 86° and a low of 56°. About 12 days a year reach 90° (Cedar City 5e, UT).
When is the first and last frost in Parowan?
In half of years the last spring frost (32°) comes by May 23 and the first fall frost by October 4, about 130 frost-free days, at Cedar City 5e, UT.
What growing zone is Parowan in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Parowan?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Parowan getting warmer?
Yes: 1991–2020 averaged 1.9° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 85% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Parowan.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.