Photo: François5000 · CC BY-SA 4.0Bluff reaches 100° on about 16 days a year, more than 94% of U.S. towns
A typical July afternoon reaches 98°, a January night drops to 21°, and about 7 inches of snow falls in a normal winter.
A year in Bluff at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bluff’s climate
Compared with towns across the U.S., with Bluff’s place in Utah beside it.
What a year in Bluff feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 172 frost-free days a year
In half of years the last 32° night comes by April 24 and the first by October 13. Frost and day counts come from NOAA’s station at Bluff, UT, 2.2 miles from the town’s center, 230 ft lower.
The 2023 USDA map puts Bluff’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 6°. 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 7 inches of snow a winter
Snow, measured at Bluff, UT, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 7 inches a year; September is the wettest month and June the driest. Rain or snow falls on about 43 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Bluff
79% 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 Bluff, UT.
Living with Bluff’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
172 frost-free days in zone 7b. The last frost comes by Apr 24 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 13.
Months with highs of 62–84° and lows of 40° or more: May and October. 61 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Bluff 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 →Bluff and similar climates
TownRatings has no climate map of the towns around Bluff yet.
Climates most like Bluff’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 |
|---|---|---|---|---|
| Bluff, UT | 21° | 98° | 7" | 7.4" |
| Fallon, NV | 22° | 96° | 4" | 4.5" |
| Roswell, NM | 25° | 96° | 12" | 9.6" |
| Socorro, TX | 31° | 97° | 9" | 2.8" |
| Payette, ID | 23° | 94° | 10" | 15" |
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 Bluff averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.3°).
A smaller shift than in 56% 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 Bluff compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bluff’s place among Utah’s.
Bluff weather by month
Highs, lows and precipitation from NOAA’s grid at Bluff’s center; snow, wet days and snow on the ground from Bluff, UT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 45° | 21° | 0.8" | 2.5" | 4 | 4 | 23° – 39° |
| February | 52° | 26° | 0.6" | 1.6" | 4 | 1 | 35° – 46° |
| March | 63° | 33° | 0.5" | 0.3" | 4 | 0 | 44° – 53° |
| April | 71° | 40° | 0.4" | 0.0" | 3 | 0 | 51° – 60° |
| May | 82° | 49° | 0.5" | 0.0" | 3 | 0 | 59° – 69° |
| June | 93° | 58° | 0.1" | 0.0" | 1 | 0 | 71° – 80° |
| July | 98° | 66° | 0.6" | 0.0" | 5 | 0 | 77° – 85° |
| August | 95° | 64° | 0.8" | 0.0" | 5 | 0 | 77° – 83° |
| September | 86° | 54° | 0.9" | 0.0" | 4 | 0 | 65° – 72° |
| October | 73° | 41° | 0.8" | 0.1" | 4 | 0 | 52° – 61° |
| November | 57° | 29° | 0.5" | 0.3" | 3 | 0 | 38° – 48° |
| December | 45° | 21° | 0.6" | 2.6" | 4 | 2 | 27° – 38° |
| Year | 72° | 42° | 7.0" | 7.4" | 43 | 7 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 23° to 39°. August is the most reliable, staying within 6°.
Where Bluff’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 Bluff’s center.
- Snow: Bluff, UT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Bluff, UT, 2.2 miles from the town’s center, 230 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 Bluff’s climate
What is the weather like in Bluff?
A typical July afternoon reaches 98°, a January night drops to 21°, and about 7 inches of snow falls in a normal winter. Colder January nights than 53% of U.S. towns; hotter July afternoons than 98% of U.S. towns.
How cold does it get in Bluff in winter?
December nights average 21°. About 140 nights a year reach 32° or below and 1 reach 0° or below. In the coldest December of the last 30 years the month averaged 27°.
How much snow does Bluff get?
About 7.4 inches in a normal winter at Bluff, UT, most of it in January and December, with snow on the ground about 7 days a year.
How hot does it get in Bluff?
July, with a typical high of 98° and a low of 66°. About 90 days a year reach 90° and 16 reach 100° (Bluff, UT).
When is the first and last frost in Bluff?
In half of years the last spring frost (32°) comes by April 24 and the first fall frost by October 13, about 172 frost-free days, at Bluff, UT.
What growing zone is Bluff in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 6°.
What is the best time of year to visit Bluff?
By one simple rule (highs of 62–84° and lows of 40° or more), May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Bluff getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bluff.
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.