Lehi, Utah climate: NOAA's gridded normals for the city, beside the nearest station records
NOAA's gridded 1991-2020 normals put Lehi's center at January lows of 20°F and July highs of 92°F, a yearly mean of 51.6°F and 16.5 inches of precipitation. No NOAA station keeps a record under the city's name. The nearest station record, Saratoga Springs (4 miles S, 4,505 ft), has January lows of 19°F and July highs of 92°F.
93,446 people (Census Bureau 2024). Distances and directions are from the city's center.
- Jan 39° 20°
- Feb 44° 24°
- Mar 54° 32°
- Apr 61° 37°
- May 72° 45°
- Jun 83° 53°
- Jul 92° 61°
- Aug 89° 59°
- Sep 80° 50°
- Oct 65° 38°
- Nov 51° 28°
- Dec 39° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
The months above are NOAA's gridded normals at Lehi's center.
What is each month like in Lehi?
NOAA's grid estimates the normals every 5 km or so from the stations around each point, terrain included. It smooths between stations, so night lows at the heart of a large city can run warmer than the grid shows: at five big-city airports we compared, the grid's highs were within about 1°F of the station and its lows 1-6°F cooler. The nearest record's high and low are beside each month.
| Month | High | Low | Mean | Precip. | Saratoga Springs high | Saratoga Springs low |
|---|---|---|---|---|---|---|
| January | 39°F | 20°F | 29.3°F | 1.86 | 38°F | 19°F |
| February | 44°F | 24°F | 34.3°F | 1.54 | 44°F | 24°F |
| March | 54°F | 32°F | 43.1°F | 1.55 | 53°F | 32°F |
| April | 61°F | 37°F | 49.1°F | 1.96 | 62°F | 36°F |
| May | 72°F | 45°F | 58.5°F | 1.99 | 71°F | 44°F |
| June | 83°F | 53°F | 68.3°F | 0.87 | 83°F | 51°F |
| July | 92°F | 61°F | 76.4°F | 0.56 | 92°F | 59°F |
| August | 89°F | 59°F | 74.2°F | 0.81 | 89°F | 58°F |
| September | 80°F | 50°F | 64.7°F | 1.12 | 79°F | 47°F |
| October | 65°F | 38°F | 51.5°F | 1.54 | 65°F | 36°F |
| November | 51°F | 28°F | 39.5°F | 1.22 | 49°F | 27°F |
| December | 39°F | 21°F | 29.9°F | 1.50 | 40°F | 20°F |
In metric: a yearly mean of 10.9°C, January lows of −7°C, July highs of 33°C and 420 mm of precipitation a year.
Source: NOAA NCEI U.S. Monthly Gridded Climate Normals 1991-2020 (nClimGrid, accession 0245564); NOAA NCEI 1991-2020 station normals. The grid cell holding the city's Census center point.
What do the station records around Lehi say?
Each row is a NOAA station's own 1991-2020 normals, with the snow and frost dates the grid does not give. A record downhill or nearer the coast than the city can run warmer, one uphill cooler: compare the elevations.
| Record | Where | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Saratoga SpringsUtah Lake Lehi | 4 mi S | 4,505 ft | 50.7°F | 19°F | 92°F | 13.1 | 26 | April 30 |
| DraperDraper-Point Of Mountain | 5 mi N | 4,506 ft | 54.5°F | 25°F | 94°F | – | – | April 18 |
| Alpine | 6 mi NE | 5,100 ft | 51.1°F | 22°F | 90°F | 21.1 | 74 | May 3 |
Source: NOAA NCEI 1991-2020 U.S. Climate Normals; place center and population: Census Bureau 2024. Last frost: the median last spring date of 32°F.
How much snow, how late a frost, what zone and how much sun in Lehi?
NOAA's grid gives no snow, frost dates or records, so these come from the nearest station record, Saratoga Springs (4 miles S, 4,505 ft). It gets 26 inches of snow in a normal year. The last spring frost (32°F) comes after April 30 in half of years and the first autumn frost before October 9. Its record high is 106°F (1931) and its record low −28°F (1989) (kept since 1904).
The USDA's 2023 Plant Hardiness Zone Map puts Lehi in zone 7a (ZIP code 84043).
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area (4.8 kWh per square metre a day, NASA POWER 2001-2020); July is the sunniest month (88%) and December the cloudiest (67%).
Saratoga Springs's page has its months, frost probabilities, records by month and recent years. NOAA's grid has monthly figures only, so there are no day-by-day month pages for Lehi; the nearest record's month pages have them.
Source: NOAA NCEI 1991-2020 normals, station USC00428973; records: ACIS; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; sunshine: NASA POWER.
How does the climate vary across Lehi, ZIP code by ZIP code?
One ZIP code area lies wholly or partly in Lehi. Each row also names the nearest station record and its frost dates.
| ZIP code | Zone | Year | Jan low | Jul high | Precip. | Nearest record | Last frost | First frost |
|---|---|---|---|---|---|---|---|---|
| 84043 | 7a | 51.6°F | 20°F | 92°F | 16.5 | Saratoga Springs (4 mi) | April 30 | October 9 |
Source: Census Bureau 2020 ZCTA-to-place relationship file and ZCTA centers; NOAA NCEI gridded and station normals, 1991-2020. A ZIP area counts when at least a tenth of its land (and 0.5 km²) is in the city; its figures are the grid cell at its center; frost dates are the nearest record's medians of 32°F.