Photo: David Jolley · CC BY-SA 3.0Ophir is drier than 89% of U.S. towns: 21 inches of precipitation a year
July afternoons average 85°. March has warmed most since 1901–2000, part of a 1.4° rise. Picnics, hikes and garden evenings suit May, June, August and September, with highs of 64–83°.
A year in Ophir at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ophir’s climate
Compared with towns across the U.S., with Ophir’s place in Utah beside it.
What a year in Ophir feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 165 frost-free days a year
In half of years the last 32° night comes by May 2 and the first by October 16. Frost dates and degree days from Tooele, UT, 12 miles away.
The 2023 USDA map puts Ophir’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 75 inches of snow a winter
Snow, measured at Tooele, UT, falls mostly in December. Precipitation (rain plus melted snow) adds up to 21 inches a year; April is the wettest month and July the driest. Rain or snow falls on about 87 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Ophir
84% of the work is heating. 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 Tooele, UT.
Living with Ophir’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
165 frost-free days in zone 7a. The last frost comes by May 2 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 16.
Months with highs of 62–84° and lows of 40° or more: May, June, August and September.
Parks & trails →Of the yearly building losses FEMA expects in Ophir from natural hazards, wildfire is the largest share (88%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Ophir and similar climates
TownRatings has no climate map of the towns around Ophir yet.
Climates most like Ophir’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 |
|---|---|---|---|---|
| Ophir, UT | 20° | 85° | 21" | 75" |
| Roxborough Park, CO | 18° | 86° | 19" | 62" |
| Flagstaff, AZ | 16° | 84° | 18" | 90" |
| Spearfish, SD | 15° | 86° | 25" | 71" |
| Ranchettes, WY | 16° | 85° | 16" | 65" |
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 Ophir averaged 1.4° warmer than the 1900s. The biggest change is in March (+2.8°).
A bigger shift than in 55% 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 Ophir compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Ophir’s place among Utah’s.
Ophir weather by month
Highs, lows and precipitation from NOAA’s grid at Ophir’s center; snow, wet days and snow on the ground from Tooele, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 37° | 20° | 2.1" | 14.0" | 8 | 21 | 22° – 36° |
| February | 41° | 22° | 2.2" | 14.6" | 8 | 15 | 26° – 39° |
| March | 48° | 28° | 2.2" | 11.1" | 9 | 5 | 33° – 44° |
| April | 54° | 32° | 2.3" | 5.9" | 10 | 1 | 38° – 50° |
| May | 64° | 41° | 2.2" | 0.4" | 9 | 0 | 46° – 57° |
| June | 76° | 49° | 1.1" | 0.0" | 5 | 0 | 56° – 68° |
| July | 85° | 58° | 0.9" | 0.0" | 5 | 0 | 64° – 75° |
| August | 83° | 56° | 1.0" | 0.0" | 6 | 0 | 66° – 74° |
| September | 73° | 48° | 1.2" | 0.0" | 6 | 0 | 56° – 65° |
| October | 59° | 36° | 1.7" | 1.9" | 7 | 1 | 39° – 53° |
| November | 45° | 27° | 1.7" | 10.2" | 7 | 6 | 28° – 42° |
| December | 37° | 20° | 2.1" | 17.2" | 9 | 20 | 23° – 32° |
| Year | 58° | 36° | 20.7" | 75.3" | 87 | 69 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 28° to 42°. August is the most reliable, staying within 8°.
Where Ophir’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 Ophir’s center.
- Snow: Tooele, UT.
- Frost dates, heating and cooling: Tooele, UT, 12 miles away.
- 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 Ophir’s climate
What is the weather like in Ophir?
A typical July afternoon reaches 85°, a January night drops to 20°, and about 75 inches of snow falls in a normal winter. Colder January nights than 59% of U.S. towns; cooler July afternoons than 52% of U.S. towns.
How cold does it get in Ophir in winter?
December nights average 20°. About 128 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 23°.
How much snow does Ophir get?
About 75 inches in a normal winter at Tooele, UT, most of it in December, with snow on the ground about 69 days a year.
How hot does it get in Ophir?
July, with a typical high of 85° and a low of 58°. About 56 days a year reach 90° (Tooele, UT).
When is the first and last frost in Ophir?
In half of years the last spring frost (32°) comes by May 2 and the first fall frost by October 16, about 165 frost-free days, at Tooele, UT.
What growing zone is Ophir in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Ophir?
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 Ophir getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ophir.
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.