Salt Lake Triad Center, Utah climate: Climate normals at a NOAA weather station
Salt Lake Triad Center's normal year runs from 28°F January nights to 91°F July afternoons, with 17.7 inches of precipitation and 49 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 13.2°C, January lows of −2°C, July highs of 33°C, 450 mm of precipitation a year.
- NOAA stationSalt Lake Triad Center
- Station IDUSC00427606
- Location40.77°N 111.90°W
- Elevation4,280 ft (1,305 m)
On October 23, the normal high in Salt Lake Triad Center is 63°F and the normal low 44°F, and the chance of measurable rain or snow is 23%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Salt Lake Triad Center.
- Jan 40° 28°
- Feb 46° 31°
- Mar 56° 39°
- Apr 62° 44°
- May 72° 52°
- Jun 83° 61°
- Jul 91° 70°
- Aug 90° 68°
- Sep 80° 58°
- Oct 66° 47°
- Nov 52° 37°
- Dec 41° 28°
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 Salt Lake Triad Center each month?
July is the warmest month, with normal highs of 91°F; January the coldest, with normal lows of 28°F. The most precipitation falls in April (2.54 in), the least in July (0.55 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 40°F | 28°F | 33.7°F | 1.54 | 10.7 | 11 | <1 | 22 | 9 h 30 min |
| February | 46°F | 31°F | 38.6°F | 1.45 | 9.8 | 10 | <1 | 16 | 10 h 40 min |
| March | 56°F | 39°F | 47.3°F | 2.04 | 6.4 | 10 | <1 | 6 | 11 h 50 min |
| April | 62°F | 44°F | 53.0°F | 2.54 | 3.2 | 11 | <1 | 2 | 13 h 20 min |
| May | 72°F | 52°F | 62.1°F | 2.09 | 0.2 | 8 | 1 | <1 | 14 h 30 min |
| June | 83°F | 61°F | 71.6°F | 1.06 | 0.0 | 5 | 6 | <1 | 15 h |
| July | 91°F | 70°F | 80.6°F | 0.55 | 0.0 | 4 | 18 | <1 | 14 h 50 min |
| August | 90°F | 68°F | 78.8°F | 0.61 | 0.0 | 4 | 18 | <1 | 13 h 50 min |
| September | 80°F | 58°F | 69.0°F | 1.30 | 0.0 | 5 | 2 | <1 | 12 h 30 min |
| October | 66°F | 47°F | 56.3°F | 1.39 | 0.4 | 7 | <1 | 2 | 11 h 10 min |
| November | 52°F | 37°F | 44.2°F | 1.60 | 7.3 | 8 | <1 | 10 | 10 h |
| December | 41°F | 28°F | 34.4°F | 1.55 | 11.0 | 11 | <1 | 23 | 9 h 20 min |
| Year (annual) | 65°F | 47°F | 55.8°F | 17.72 | 49.0 | 94 | 45 | 81 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 4°C | −2°C | 0.9°C | 39 mm | 27 cm |
| February | 8°C | 0°C | 3.7°C | 37 mm | 25 cm |
| March | 13°C | 4°C | 8.5°C | 52 mm | 16 cm |
| April | 17°C | 7°C | 11.7°C | 65 mm | 8 cm |
| May | 22°C | 11°C | 16.7°C | 53 mm | 1 cm |
| June | 28°C | 16°C | 22.0°C | 27 mm | 0 cm |
| July | 33°C | 21°C | 27.0°C | 14 mm | 0 cm |
| August | 32°C | 20°C | 26.0°C | 15 mm | 0 cm |
| September | 27°C | 15°C | 20.6°C | 33 mm | 0 cm |
| October | 19°C | 8°C | 13.5°C | 35 mm | 1 cm |
| November | 11°C | 3°C | 6.8°C | 41 mm | 19 cm |
| December | 5°C | −2°C | 1.3°C | 39 mm | 28 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00427606; 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 Salt Lake Triad Center?
Normal highs sit between 65°F and 85°F in May, June, September and October. Of those, September 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 USC00427606.
When is the last frost at Salt Lake Triad Center?
In Salt Lake Triad Center, the last spring frost (32°F) comes after March 31 in half of years and after April 19 in one year in ten; the first autumn frost comes before November 8 in half of years and before October 23 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
- March 311 year in 10 after April 19; 9 in 10 after March 7
- First autumn frost, half of years before
- November 81 year in 10 before October 23; 9 in 10 before November 25
NOAA puts the median frost-free season at 224 days, and the season without a hard freeze (28°F) at 255 days.
A hard freeze (28°F) comes after March 8 in half of springs and before November 18 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Salt Lake Triad Center in zone 7b in ZIP code 84180, 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 USC00427606; 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 Salt Lake Triad Center?
In a normal year in Salt Lake Triad Center, 45 days a year reach 90°F (1 of them 100°F or more), 81 nights fall to 32°F or colder and 94 days bring measurable precipitation.
- Days at 90°F or more
- 45a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 81a normal year
- Days that stay below freezing
- 16high of 32°F or less
- Days with 0.01 inch of precipitation
- 94a normal year
- Days with 1 inch of snow or more
- 18a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00427606.
How sunny is it at Salt Lake Triad Center?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at Salt Lake Triad Center, 4.8 kWh per square metre a day. July is the sunniest month (88%) and December the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 2.3 |
| February | 72% | 3.2 |
| March | 75% | 4.5 |
| April | 74% | 5.6 |
| May | 77% | 6.6 |
| June | 86% | 7.8 |
| July | 88% | 7.5 |
| August | 86% | 6.6 |
| September | 85% | 5.4 |
| October | 80% | 3.8 |
| November | 72% | 2.5 |
| December | 67% | 1.9 |
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 Salt Lake Triad Center record?
A normal year at Salt Lake Triad Center brings 4,724 heating degree days, 12% fewer than the median U.S. place (5,373), and 1,402 cooling degree days, 54% more than the median (908). Six months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,943 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 972 | 0 |
| February | 739 | 0 |
| March | 551 | 0 |
| April | 370 | 11 |
| May | 155 | 67 |
| June | 29 | 227 |
| July | 1 | 486 |
| August | 2 | 429 |
| September | 41 | 161 |
| October | 292 | 21 |
| November | 626 | 0 |
| December | 948 | 0 |
| Year (annual) | 4,724 | 1,402 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00427606. 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 Salt Lake Triad Center's climate compare?
Salt Lake Triad Center is warmer than 90 of the 97 places with their own NOAA record in Utah, and wetter than 77. Across the 7,247 U.S. stations with normals, its annual mean of 55.8°F is warmer than 63%.
In the Köppen classification computed from these normals, Salt Lake Triad Center is Csa: temperate, 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.
Which places near Salt Lake Triad Center share this climate record?
2 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.
- Taylorsville, UTalso near: Salt Lake City (8 mi, 54.7°F a year); Cottonwood Heights (9 mi, 53.2°F a year)57,819 people · 8 mi S
- South Salt Lake, UT26,561 people · 4 mi S
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 Salt Lake Triad Center's climate
What is the coldest month at Salt Lake Triad Center?
January, with a normal high of 40°F and a normal low of 28°F. The warmest is July (91°F by day, 70°F at night).
Does it snow at Salt Lake Triad Center?
Yes: 49 inches in a normal year, falling on 27 days with 0.1 inch or more, the most in December (11.0 inches).
What is the rainiest month at Salt Lake Triad Center?
April, with 2.54 in of precipitation in a normal year; the driest is July with 0.55 in.
What plant hardiness zone is Salt Lake Triad Center in?
The USDA's 2023 map puts Salt Lake Triad Center in zone 7b in ZIP code 84180, the nearest ZIP area.
How late can frost come at Salt Lake Triad Center?
In half of years the last 32°F night comes after March 31; in one year in ten it comes after April 19. Waiting until April 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Salt Lake City, UT4 miles from this station, 54.7°F a year
- City Creek Water Treatment Plant, UT4 miles from this station, 49.2°F a year
- North Salt Lake, UT6 miles from this station, 51.9°F a year
- Bountiful, UT9 miles from this station, 51.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made