Photo: Ntsimp · Public domainHyrum is drier than 92% of U.S. towns: 17 inches of precipitation a year
Peak summer warmth arrives in July, with afternoons near 90°. Winter nights are cold: in January they are colder than in 84% of U.S. towns. Warming shows here too: 1.5° more than in 1901–2000, led by March. Homes need heating from October to April, the months averaging under 50°.
A year in Hyrum at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hyrum’s climate
Compared with towns across the U.S., with Hyrum’s place in Utah beside it.
What a year in Hyrum feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 138 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by September 28. Frost and day counts come from NOAA’s station at Logan 5 Sw Exp Farm, UT, 3 miles from the town’s center, 260 ft lower.
The 2023 USDA map puts Hyrum’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −8°. 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 44 inches of snow a winter
Snow, measured at Logan Radio Kvnu, UT, falls mostly in January. Precipitation (rain plus melted snow) adds up to 17 inches a year; May is the wettest month and July the driest. Rain or snow falls on about 96 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Hyrum
94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Logan 5 Sw Exp Farm, UT.
Living with Hyrum’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
138 frost-free days in zone 6a. The last frost comes by May 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 28.
Months with highs of 62–84° and lows of 40° or more: May, June and September. 3.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Hyrum from natural hazards, avalanches are the largest share (64%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Hyrum and its neighbors
Every town next door is within a degree of Hyrum in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Hyrum’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 |
|---|---|---|---|---|
| Hyrum, UT | 15° | 90° | 17" | 44" |
| Longmont, CO | 16° | 90° | 16" | 47" |
| Gering, NE | 15° | 90° | 15" | 43" |
| Spring Creek, NV | 15° | 89° | 14" | 41" |
| Billings, MT | 15° | 89° | 14" | 48" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Hyrum averaged 1.5° warmer than the 1900s. The biggest change is in March (+3.2°).
A bigger shift than in 61% 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 Hyrum compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Hyrum’s place among Utah’s.
Hyrum weather by month
Highs, lows and precipitation from NOAA’s grid at Hyrum’s center; snow, wet days and snow on the ground from Logan Radio Kvnu, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 33° | 15° | 1.6" | 13.9" | 11 | 24 | 12° – 34° |
| February | 39° | 19° | 1.4" | 8.3" | 10 | 18 | 16° – 39° |
| March | 50° | 28° | 1.8" | 3.9" | 9 | 7 | 32° – 45° |
| April | 59° | 34° | 2.0" | 2.5" | 10 | 1 | 41° – 52° |
| May | 69° | 42° | 2.2" | 0.0" | 10 | 0 | 49° – 60° |
| June | 80° | 49° | 1.2" | 0.0" | 5 | 0 | 58° – 70° |
| July | 90° | 56° | 0.6" | 0.0" | 4 | 0 | 63° – 77° |
| August | 88° | 54° | 0.7" | 0.0" | 4 | 0 | 66° – 74° |
| September | 77° | 45° | 1.2" | 0.0" | 6 | 0 | 57° – 65° |
| October | 63° | 34° | 1.6" | 0.7" | 8 | 0 | 40° – 55° |
| November | 47° | 25° | 1.3" | 4.0" | 8 | 4 | 29° – 42° |
| December | 35° | 17° | 1.5" | 10.7" | 10 | 19 | 18° – 33° |
| Year | 61° | 35° | 16.9" | 44.0" | 96 | 73 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 16° to 39°. September is the most reliable, staying within 7°.
Where Hyrum’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 Hyrum’s center.
- Snow: Logan Radio Kvnu, UT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Logan 5 Sw Exp Farm, UT, 3 miles from the town’s center, 260 ft lower; 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 Hyrum’s climate
What is the weather like in Hyrum?
A typical July afternoon reaches 90°, a January night drops to 15°, and about 44 inches of snow falls in a normal winter. Colder January nights than 84% of U.S. towns; hotter July afternoons than 76% of U.S. towns.
How cold does it get in Hyrum in winter?
January nights average 15°. About 175 nights a year reach 32° or below and 15 reach 0° or below. In the coldest January of the last 30 years the month averaged 12°.
How much snow does Hyrum get?
About 44 inches in a normal winter at Logan Radio Kvnu, UT, most of it in January, with snow on the ground about 73 days a year.
How hot does it get in Hyrum?
July, with a typical high of 90° and a low of 56°. About 30 days a year reach 90° (Logan 5 Sw Exp Farm, UT).
When is the first and last frost in Hyrum?
In half of years the last spring frost (32°) comes by May 12 and the first fall frost by September 28, about 138 frost-free days, at Logan 5 Sw Exp Farm, UT.
What growing zone is Hyrum in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Hyrum?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Hyrum getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 61% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hyrum.
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.