Hole-in-the-Rock Trail · Photo: G. Thomas at en.wikipedia · Public domainHalls Crossing reaches 100° on about 38 days a year, more than 98% of U.S. towns
The depth of winter brings overnight lows near 27°. The seasons are far apart: from a winter night to a summer afternoon the average spans 73°. By precipitation alone, it ranks drier than almost every U.S. town. Tender plants can go out after about March 25; in half of years the first frost comes by November 10.
A year in Halls Crossing at a glance
Each month’s typical high and low, and what it brings.
What stands out about Halls Crossing’s climate
Compared with towns across the U.S., with Halls Crossing’s place in Utah beside it.
What a year in Halls Crossing feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 227 frost-free days a year
In half of years the last 32° night comes by March 25 and the first by November 10. Frost and day counts come from NOAA’s station at Bullfrog Basin, UT, 5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Halls Crossing’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 14°. 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 4 inches of snow a winter
Snow, measured at Bullfrog Basin, UT, falls mostly in December. Precipitation (rain plus melted snow) adds up to 6 inches a year; October is the wettest month and June the driest. Rain or snow falls on about 40 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Halls Crossing
66% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Bullfrog Basin, UT.
Living with Halls Crossing’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
227 frost-free days in zone 8a. The last frost comes by Mar 25 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 10.
Months with highs of 62–84° and lows of 40° or more: April, May and October. 1.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Halls Crossing from natural hazards, avalanches are the largest share (42%); heat waves, cold waves, winter storms and ice storms together are 15%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Halls Crossing and similar climates
TownRatings has no climate map of the towns around Halls Crossing yet.
Climates most like Halls Crossing’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 |
|---|---|---|---|---|
| Halls Crossing, UT | 27° | 100° | 6" | 4.0" |
| Socorro, TX | 31° | 97° | 9" | 2.8" |
| Verde Village, AZ | 30° | 101° | 12" | 1.0" |
| California City, CA | 35° | 100° | 7" | 2.2" |
| Carlsbad, NM | 29° | 97° | 13" | 2.7" |
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 Halls Crossing averaged 1.6° warmer than the 1900s. The biggest change is in March (+2.8°).
A bigger shift than in 68% 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 Halls Crossing compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Halls Crossing’s place among Utah’s.
Halls Crossing weather by month
Highs, lows and precipitation from NOAA’s grid at Halls Crossing’s center; snow, wet days and snow on the ground from Bullfrog Basin, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 46° | 27° | 0.6" | 0.9" | 4 | 1 | 30° – 42° |
| February | 53° | 31° | 0.5" | 0.8" | 4 | 1 | 37° – 49° |
| March | 64° | 38° | 0.5" | 0.3" | 4 | 0 | 46° – 56° |
| April | 72° | 44° | 0.3" | 0.0" | 3 | 0 | 54° – 64° |
| May | 82° | 54° | 0.3" | 0.0" | 3 | 0 | 62° – 73° |
| June | 95° | 64° | 0.2" | 0.0" | 1 | 0 | 74° – 84° |
| July | 100° | 72° | 0.5" | 0.0" | 3 | 0 | 81° – 89° |
| August | 96° | 69° | 0.6" | 0.0" | 4 | 0 | 79° – 89° |
| September | 88° | 60° | 0.7" | 0.0" | 4 | 0 | 69° – 77° |
| October | 73° | 47° | 0.8" | 0.0" | 4 | 0 | 55° – 65° |
| November | 58° | 35° | 0.4" | 0.2" | 3 | 0 | 41° – 52° |
| December | 46° | 27° | 0.5" | 1.8" | 4 | 1 | 31° – 41° |
| Year | 73° | 47° | 6.0" | 4.0" | 40 | 3 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 37° to 49°. July is the most reliable, staying within 8°.
Where Halls Crossing’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 Halls Crossing’s center.
- Snow: Bullfrog Basin, UT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Bullfrog Basin, UT, 5 miles from the town’s center, at about the same height; 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 Halls Crossing’s climate
What is the weather like in Halls Crossing?
A typical July afternoon reaches 100°, a January night drops to 27°, and about 4 inches of snow falls in a normal winter. Milder January nights than 67% of U.S. towns; hotter July afternoons than all but 132 U.S. towns.
How cold does it get in Halls Crossing in winter?
January nights average 27°. About 95 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 30°.
How much snow does Halls Crossing get?
About 4.0 inches in a normal winter at Bullfrog Basin, UT, most of it in December, with snow on the ground about 3 days a year.
How hot does it get in Halls Crossing?
July, with a typical high of 100° and a low of 72°. About 106 days a year reach 90° and 38 reach 100° (Bullfrog Basin, UT).
When is the first and last frost in Halls Crossing?
In half of years the last spring frost (32°) comes by March 25 and the first fall frost by November 10, about 227 frost-free days, at Bullfrog Basin, UT.
What growing zone is Halls Crossing in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 14°.
What is the best time of year to visit Halls Crossing?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Halls Crossing getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 68% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Halls Crossing.
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.