Brian Head, Utah climate: Normal weather by month, frost dates and records
Brian Head's normal year runs from 10°F December nights to 71°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 2.5°C, December lows of −12°C, July highs of 22°C.
- NOAA stationBrian Head
- Station IDUSC00420900
- Location37.69°N 112.85°W
- Elevation9,770 ft (2,978 m)
- Population164
On October 23, the normal high in Brian Head is 46°F and the normal low 22°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Brian Head.
- Jan 30° 10°
- Feb 32° 12°
- Mar 39° 17°
- Apr 44° 18°
- May 55° 27°
- Jun 67° 36°
- Jul 71° 42°
- Aug 69° 43°
- Sep 61° 35°
- Oct 48° 24°
- Nov 38° 17°
- Dec 28° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Brian Head each month?
July is the warmest month, with normal highs of 71°F; December the coldest, with normal lows of 10°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 30°F | 10°F | 20.4°F | – | <1 | 31 | 9 h 50 min |
| February | 32°F | 12°F | 22.2°F | – | <1 | 28 | 10 h 50 min |
| March | 39°F | 17°F | 28.1°F | – | <1 | 31 | 11 h 50 min |
| April | 44°F | 18°F | 30.8°F | – | <1 | 30 | 13 h 10 min |
| May | 55°F | 27°F | 41.3°F | – | <1 | 25 | 14 h 10 min |
| June | 67°F | 36°F | 51.5°F | – | <1 | 8 | 14 h 50 min |
| July | 71°F | 42°F | 56.6°F | – | <1 | 1 | 14 h 30 min |
| August | 69°F | 43°F | 55.6°F | – | <1 | 1 | 13 h 40 min |
| September | 61°F | 35°F | 48.0°F | – | <1 | 12 | 12 h 30 min |
| October | 48°F | 24°F | 36.1°F | – | <1 | 29 | 11 h 20 min |
| November | 38°F | 17°F | 27.5°F | – | <1 | 29 | 10 h 10 min |
| December | 28°F | 10°F | 19.3°F | – | <1 | 31 | 9 h 30 min |
| Year (annual) | 49°F | 24°F | 36.5°F | – | <1 | 255 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | −1°C | −12°C | −6.4°C |
| February | 0°C | −11°C | −5.4°C |
| March | 4°C | −8°C | −2.2°C |
| April | 7°C | −8°C | −0.7°C |
| May | 13°C | −3°C | 5.2°C |
| June | 19°C | 2°C | 10.8°C |
| July | 22°C | 6°C | 13.7°C |
| August | 20°C | 6°C | 13.1°C |
| September | 16°C | 2°C | 8.9°C |
| October | 9°C | −4°C | 2.3°C |
| November | 3°C | −8°C | −2.5°C |
| December | −2°C | −12°C | −7.1°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Cedar City (5 mi E) (8 miles away), gets 55 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00420900; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Brian Head?
Normal highs sit between 65°F and 85°F in June, July and August.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00420900.
When is the last frost in Brian Head?
In Brian Head, the last spring frost (32°F) comes after June 21 in half of years and after July 6 in one year in ten; the first autumn frost comes before September 12 in half of years and before September 1 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- June 211 year in 10 after July 6; 9 in 10 after June 6
- First autumn frost, half of years before
- September 121 year in 10 before September 1; 9 in 10 before September 23
NOAA puts the median frost-free season at 82 days, and the season without a hard freeze (28°F) at 103 days.
A hard freeze (28°F) comes after June 7 in half of springs and before September 22 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Brian Head in zone 6a in ZIP code 84719, the nearest ZIP area.
Frost dates for every NOAA station in Utah · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00420900; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Brian Head?
In a normal year in Brian Head, a 90°F day is rare and 255 nights fall to 32°F or colder.
- Days at 90°F or more
- fewer than 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 255a normal year
- Days that stay below freezing
- 73high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00420900.
How sunny is Brian Head?
Over a year 84% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Brian Head, 5.3 kWh per square metre a day. June is the sunniest month (91%) and December the cloudiest (77%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 80% | 2.9 |
| February | 78% | 3.7 |
| March | 81% | 5.1 |
| April | 83% | 6.5 |
| May | 85% | 7.4 |
| June | 91% | 8.3 |
| July | 82% | 7.1 |
| August | 84% | 6.5 |
| September | 87% | 5.8 |
| October | 86% | 4.4 |
| November | 83% | 3.2 |
| December | 77% | 2.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Brian Head need?
A normal year in Brian Head brings 10,396 heating degree days, 93% more than the median U.S. place (5,373), and 1 cooling degree days, 100% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 549 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,384 | 0 |
| February | 1,200 | 0 |
| March | 1,146 | 0 |
| April | 1,027 | 0 |
| May | 736 | 0 |
| June | 404 | 0 |
| July | 262 | 1 |
| August | 292 | 0 |
| September | 509 | 0 |
| October | 896 | 0 |
| November | 1,124 | 0 |
| December | 1,418 | 0 |
| Year (annual) | 10,396 | 1 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00420900. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Brian Head's climate compare?
Brian Head is warmer than 0 of the other 96 places with their own NOAA record in Utah. Across the 7,247 U.S. stations with normals, its annual mean of 36.5°F is warmer than 2%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Brian Head share this climate record?
3 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Parowan, UT3,283 people · 10 mi N
- Paragonah, UT577 people · 14 mi N
- Summit, UT208 people · 9 mi NW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Brian Head's climate
What is the coldest month in Brian Head?
December, with a normal high of 28°F and a normal low of 10°F. The warmest is July (71°F by day, 42°F at night).
Does it snow in Brian Head?
Yes. NOAA publishes no 1991-2020 snowfall normal for Brian Head's NOAA station; the nearest record that keeps one, Cedar City (5 mi E) (8 miles away), records 55 inches of snow in a normal year.
What plant hardiness zone is Brian Head in?
The USDA's 2023 map puts Brian Head in zone 6a in ZIP code 84719, the nearest ZIP area.
How late can frost come in Brian Head?
In half of years the last 32°F night comes after June 21; in one year in ten it comes after July 6. Waiting until July 6 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Cedar Breaks National Monument, UT6 miles from this station, 41.1°F a year
- Blowhard Mountain Radar, UT7 miles from this station, 37.7°F a year
- Cedar City, UT14 miles from this station, 50.3°F a year
- Hatch, UT22 miles from this station, 43.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made