Lehi weather in August

In August, Lehi sees average daytime highs of 83°F and overnight lows near 56°F, with 0.9 in of rain across 5.2 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 85°F in the first days to 80°F by the end. The sky is clear or mostly clear about 60% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Lehi's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Lehi's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
56°
11th coldest
Rainfall
0.9 in
5.2 wet days
Daylight
13 h 36 min
5:43 AM – 7:20 PM
Cloud cover
37%
3rd clearest
Wind
5 mph
2nd windiest
Solar energy
7.11 kWh/m²
Travel score
6.9
out of 10

Lehi is city in Utah County, Utah, United States.

Density
847/km²
people per km²
Founded
1850

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 85°F in the first days to 80°F by the end.

A typical August day in Lehi reaches about 83°F in the afternoon and slips back to 56°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 89°F. Set against its neighbours, August runs about 2°F cooler than July and about 10°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18558
28558
38558
48458
58458
68458
78458
88458
98457
108457
118457
128457
138457
148357
158357
168357
178356
188356
198356
208356
218256
228256
238256
248255
258255
268155
278155
288154
298054
308054
318053

How August really feels in Lehi

Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Lehi weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 16°2.711.311.79.40.0
Feb35° / 20°2.310.210.610.40.0
Mar44° / 26°2.511.310.411.70.8
Apr51° / 31°2.912.49.6132.3
May62° / 39°2.511.63.614.25.2
Jun75° / 49°1.36.30.514.87.6
Jul85° / 57°0.94.8014.66.3
Aug83° / 56°0.95.2013.66.9
Sep72° / 47°1.76.40.612.37.6
Oct58° / 35°2.18.33.910.94.7
Nov42° / 23°2.29.28.59.80.6
Dec31° / 15°2.49.910.59.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27723
37723
47723
57822
67921
77921
88020
98020
108119
118218
128218
138218
148317
158317
168317
178317
188317
198218
208317
218317
228218
238218
248218
258218
268119
278119
288119
298119
308119
318119

Chance of precipitation in August

Any precipitation

Lehi gets around 0.9 in of rain over 5.2 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 17% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
317
417
516
616
716
815
915
1015
1115
1215
1315
1415
1515
1615
1716
1816
1916
2017
2117
2217
2318
2418
2518
2618
2718
2818
2918
3018
3118

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3973
4973
5973
6982
7982
8982
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
301000
311000

Wind in August

Winds average 5 mph in August.

Across August, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:28 AM to 5:58 AM, and sunset from 7:39 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:287:39
214.15:297:37
314.15:307:36
414.15:317:35
514.05:327:34
614.05:337:33
714.05:347:32
813.95:357:31
913.95:367:29
1013.85:377:28
1113.85:387:27
1213.85:397:25
1313.75:407:24
1413.75:417:23
1513.75:427:21
1613.65:437:20
1713.65:447:19
1813.55:457:17
1913.55:467:16
2013.55:477:14
2113.45:487:13
2213.45:497:11
2313.35:507:10
2413.35:517:08
2513.25:527:07
2613.25:537:05
2713.25:547:03
2813.15:557:02
2913.15:567:00
3013.05:576:59
3113.05:586:57

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.11 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 8.12 kWh/m² in June across the year — August's 7.11 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.2Intense
157.2Intense
167.2Intense
177.1Intense
187.1Intense
197.0Intense
207.0Intense
217.0Intense
226.9Intense
236.9Intense
246.8Intense
256.8Intense
266.7Intense
276.7Intense
286.7Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in August

Is August a good time to visit Lehi?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9
Sightseeing
3rd-best month of the year
8.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Lehi for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lehi in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Lehi sees daytime highs around 83°F and nights near 56°F. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Lehi in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lehi peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr5High
May7Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Lehi in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Lehi is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1521 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Moderate
Apr10Good
May10Good
Jun9Good
Jul11Good
Aug14Moderate
Sep22Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is Lehi?

Lehi sits at 40.4°N, 111.9°W, 4,564 ft above sea level, in United States. The nearest listed city is American Fork, 3.1 mi away.

Topography around Lehi

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lehi.

Within 2 miles, the terrain around Lehi has only modest variations in elevation — a maximum elevation change of 302 ft around an average of 4,577 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 7,051 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,513 ft.

The land around Lehi is covered by artificial surfaces (47%), grassland (21%) and trees (20%) within 2 miles, grassland (35%) and trees (20%) within 10 miles, and grassland (45%) and trees (29%) within 50 miles.

2 miles
302 ft
10 miles
7,051 ft
50 miles
7,513 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: American Fork 3.1 mi · Highland 3.7 mi · Saratoga Springs 4.3 mi · Pleasant Grove 6.2 mi · Draper 9.3 mi · Eagle Mountain 9.9 mi · Riverton 9.9 mi · Orem 11 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lehi (40.3916°, -111.8508°, elevation 4,564 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).