Brigham City (28 mi WNW), Utah climate: Climate normals at a NOAA weather station
Brigham City (28 mi WNW)'s normal year runs from 15°F January nights to 90°F July afternoons, with 13.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.4°C, January lows of −9°C, July highs of 32°C, 350 mm of precipitation a year.
- NOAA stationBrigham City (28 mi WNW)
- Station IDUSW00004138
- Location41.62°N 112.54°W
- Elevation4,951 ft (1,509 m)
On October 14, the normal high in Brigham City (28 mi WNW) is 61°F and the normal low 35°F, and the chance of measurable rain or snow is 19%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Brigham City (28 mi WNW).
- Jan 33° 15°
- Feb 37° 18°
- Mar 49° 28°
- Apr 57° 33°
- May 67° 42°
- Jun 78° 48°
- Jul 90° 58°
- Aug 87° 56°
- Sep 76° 46°
- Oct 61° 34°
- Nov 45° 24°
- Dec 34° 16°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Brigham City (28 mi WNW) each month?
July is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 15°F. The most precipitation falls in May (1.77 in), the least in July (0.34 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 33°F | 15°F | 24.0°F | 1.31 | 10 | <1 | 31 | 9 h 30 min |
| February | 37°F | 18°F | 27.4°F | 1.09 | 9 | <1 | 26 | 10 h 40 min |
| March | 49°F | 28°F | 38.5°F | 1.54 | 9 | <1 | 23 | 11 h 50 min |
| April | 57°F | 33°F | 45.0°F | 1.50 | 9 | <1 | 15 | 13 h 20 min |
| May | 67°F | 42°F | 54.3°F | 1.77 | 10 | <1 | 4 | 14 h 30 min |
| June | 78°F | 48°F | 63.2°F | 1.21 | 5 | 4 | 1 | 15 h 10 min |
| July | 90°F | 58°F | 73.9°F | 0.34 | 3 | 19 | <1 | 15 h |
| August | 87°F | 56°F | 71.4°F | 0.45 | 4 | 13 | <1 | 13 h 50 min |
| September | 76°F | 46°F | 61.1°F | 1.00 | 5 | 1 | 1 | 12 h 30 min |
| October | 61°F | 34°F | 47.3°F | 1.46 | 6 | <1 | 13 | 11 h 10 min |
| November | 45°F | 24°F | 34.8°F | 0.79 | 6 | <1 | 25 | 9 h 50 min |
| December | 34°F | 16°F | 24.7°F | 1.31 | 10 | <1 | 31 | 9 h 10 min |
| Year (annual) | 59°F | 35°F | 47.1°F | 13.77 | 84 | 37 | 168 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 1°C | −9°C | −4.4°C | 33 mm |
| February | 3°C | −8°C | −2.6°C | 28 mm |
| March | 10°C | −2°C | 3.6°C | 39 mm |
| April | 14°C | 1°C | 7.2°C | 38 mm |
| May | 19°C | 5°C | 12.4°C | 45 mm |
| June | 26°C | 9°C | 17.3°C | 31 mm |
| July | 32°C | 15°C | 23.3°C | 9 mm |
| August | 31°C | 13°C | 21.9°C | 11 mm |
| September | 24°C | 8°C | 16.2°C | 25 mm |
| October | 16°C | 1°C | 8.5°C | 37 mm |
| November | 7°C | −4°C | 1.6°C | 20 mm |
| December | 1°C | −9°C | −4.1°C | 33 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Tremonton (21 miles away), gets 40 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00004138; 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.
Which months are mildest at Brigham City (28 mi WNW)?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, June has the fewest days with rain (5).
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 USW00004138.
When is the last frost at Brigham City (28 mi WNW)?
In Brigham City (28 mi WNW), the last spring frost (32°F) comes after May 12 in half of years and after June 8 in one year in ten; the first autumn frost comes before October 5 in half of years and before September 24 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
- May 121 year in 10 after June 8; 9 in 10 after April 27
- First autumn frost, half of years before
- October 51 year in 10 before September 24; 9 in 10 before October 18
NOAA puts the median frost-free season at 144 days, and the season without a hard freeze (28°F) at 171 days.
A hard freeze (28°F) comes after April 27 in half of springs and before October 15 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Brigham City (28 mi WNW) in zone 6b in ZIP code 84307, 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 USW00004138; 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 at Brigham City (28 mi WNW)?
In a normal year in Brigham City (28 mi WNW), 37 days a year reach 90°F, 168 nights fall to 32°F or colder and 84 days bring measurable precipitation.
- Days at 90°F or more
- 37a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 168a normal year
- Days that stay below freezing
- 40high of 32°F or less
- Days with 0.01 inch of precipitation
- 84a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USW00004138.
How sunny is it at Brigham City (28 mi WNW)?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at Brigham City (28 mi WNW), 4.7 kWh per square metre a day. July is the sunniest month (90%) and January the cloudiest (58%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 58% | 1.7 |
| February | 64% | 2.7 |
| March | 73% | 4.2 |
| April | 78% | 5.7 |
| May | 80% | 6.7 |
| June | 87% | 7.7 |
| July | 90% | 7.6 |
| August | 90% | 6.7 |
| September | 87% | 5.3 |
| October | 82% | 3.7 |
| November | 73% | 2.3 |
| December | 58% | 1.5 |
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 many heating and cooling degree days does Brigham City (28 mi WNW) record?
A normal year at Brigham City (28 mi WNW) brings 7,093 heating degree days, 32% more than the median U.S. place (5,373), and 617 cooling degree days, 32% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,433 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,271 | 0 |
| February | 1,052 | 0 |
| March | 822 | 0 |
| April | 600 | 0 |
| May | 341 | 8 |
| June | 124 | 71 |
| July | 7 | 282 |
| August | 17 | 217 |
| September | 156 | 39 |
| October | 548 | 0 |
| November | 906 | 0 |
| December | 1,249 | 0 |
| Year (annual) | 7,093 | 617 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00004138. 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.
Have recent years at Brigham City (28 mi WNW) been warmer than normal?
2025 averaged 50.8°F, 3.7°F above the 1991-2020 normal of 47.1°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.5°F | +2.4°F | 10.00 |
| 2022 | 47.8°F | +0.7°F | 11.29 |
| 2023 | 46.7°F | −0.4°F | 18.18 |
| 2024 | 49.7°F | +2.6°F | 11.20 |
| 2025 | 50.8°F | +3.7°F | 11.24 |
Source: observed years: ACIS, station USW00004138. A year counts only with all twelve months complete.
How does Brigham City (28 mi WNW)'s climate compare?
Brigham City (28 mi WNW) is warmer than 32 of the 97 places with their own NOAA record in Utah, and wetter than 51. Across the 7,247 U.S. stations with normals, its annual mean of 47.1°F is warmer than 28%.
In the Köppen classification computed from these normals, Brigham City (28 mi WNW) is Dsa: continental, dry-summer, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Brigham City (28 mi WNW)'s climate
What is the coldest month at Brigham City (28 mi WNW)?
January, with a normal high of 33°F and a normal low of 15°F. The warmest is July (90°F by day, 58°F at night).
Does it snow at Brigham City (28 mi WNW)?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Tremonton (21 miles away), records 40 inches of snow in a normal year.
What is the rainiest month at Brigham City (28 mi WNW)?
May, with 1.77 in of precipitation in a normal year; the driest is July with 0.34 in.
What plant hardiness zone is Brigham City (28 mi WNW) in?
The USDA's 2023 map puts Brigham City (28 mi WNW) in zone 6b in ZIP code 84307, the nearest ZIP area.
How late can frost come at Brigham City (28 mi WNW)?
In half of years the last 32°F night comes after May 12; in one year in ten it comes after June 8. Waiting until June 8 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Thiokol Propulsion F S, UT9 miles from this station, 45.4°F a year
- Tremonton, UT21 miles from this station, 50.9°F a year
- Brigham City, UT27 miles from this station, 50.1°F a year
- Cutler Dam, UT29 miles from this station, 48.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made