Logan weather in August

In August, Logan sees average daytime highs of 81°F and overnight lows near 53°F, with 0.8 in of rain across 5.7 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 83°F in the first days to 78°F by the end. The sky is clear or mostly clear about 68% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Logan's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Logan's year-round climate.

Daytime high
81°
2nd warmest
Overnight low
53°
11th coldest
Rainfall
0.8 in
5.7 wet days
Daylight
13 h 42 min
5:41 AM – 7:22 PM
Cloud cover
31%
2nd clearest
Wind
4 mph
3rd windiest
Solar energy
6.97 kWh/m²
Travel score
7.5
out of 10

Logan is city in and county seat of Cache County, Utah, United States.

Density
1,050/km²
people per km²
Founded
1859

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 83°F in the first days to 78°F by the end.

A typical August day in Logan reaches about 81°F in the afternoon and slips back to 53°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 87°F. Set against its neighbours, August runs on par with July and about 10°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18355
28355
38355
48355
58355
68255
78254
88254
98254
108254
118254
128254
138254
148254
158253
168153
178153
188153
198153
208153
218053
228052
238052
248052
257952
267951
277951
287851
297851
307850
317750

How August really feels in Logan

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.

Logan weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 14°2.511.312.19.30.0
Feb34° / 18°2.310.510.910.30.0
Mar43° / 25°2.411.49.711.70.6
Apr50° / 29°2.712.58.313.12.1
May61° / 38°2.711.53.114.34.9
Jun72° / 46°1.56.50.5157.5
Jul82° / 54°0.84.9014.77.3
Aug81° / 53°0.85.7013.77.5
Sep71° / 44°1.56.50.512.37.5
Oct56° / 33°1.98.23.310.94.2
Nov41° / 21°2.097.99.60.4
Dec30° / 12°2.510.21190.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38416
48416
58416
68317
78317
88416
98416
108416
118515
128515
138416
148416
158416
168416
178416
188416
198416
208317
218218
228218
238218
248119
258119
268119
278119
288119
298119
308119
318020

Chance of precipitation in August

Any precipitation

Logan gets around 0.8 in of rain over 5.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
417
517
616
716
816
916
1016
1116
1216
1316
1417
1517
1618
1718
1818
1919
2019
2120
2220
2320
2421
2521
2621
2721
2821
2921
3021
3121

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 (%)
1973
2973
3982
4982
5982
6982
7991
8991
9991
10991
11991
12991
13991
141000
151000
161000
171000
181000
191000
201000
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in August

Winds average 4 mph in August.

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

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 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 78 minutes over August. Sunrise moves from 5:25 AM to 5:56 AM, and sunset from 7:42 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:257:42
214.25:267:41
314.25:277:39
414.25:287:38
514.15:297:37
614.15:307:36
714.15:317:35
814.05:327:33
914.05:337:32
1013.95:347:31
1113.95:357:29
1213.95:367:28
1313.85:377:27
1413.85:387:25
1513.75:407:24
1613.75:417:22
1713.75:427:21
1813.65:437:19
1913.65:447:18
2013.55:457:16
2113.55:467:15
2213.45:477:13
2313.45:487:12
2413.35:497:10
2513.35:507:08
2613.35:517:07
2713.25:527:05
2813.25:537:03
2913.15:547:02
3013.15:557:00
3113.05:566:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.97 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 7.93 kWh/m² in June across the year — August's 6.97 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.1Intense
147.1Intense
157.0Intense
167.0Intense
177.0Intense
186.9Intense
196.9Intense
206.8Intense
216.8Intense
226.8Intense
236.7Intense
246.7Intense
256.6Intense
266.6Intense
276.5Intense
286.5Intense
296.4Intense
306.4Intense
316.3Intense
Planning a trip in August

Is August a good time to visit Logan?

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

7.5
Sightseeing
1st-best month of the year
7.8
Beach & pool
2nd-best month of the year

August is one of the better times to visit Logan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Logan in August

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

In August, Logan sees daytime highs around 81°F and nights near 53°F. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Logan 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 Logan peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJun 23UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Moderate

Air quality in Logan 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 Logan is worst in August — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1815 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr11Good
May10Good
Jun10Good
Jul11Good
Aug15Moderate
Sep13Moderate
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Logan?

Logan sits at 41.7°N, 111.8°W, 4,534 ft above sea level, in United States. The nearest listed city is Brigham City, 18 mi away.

Topography around Logan

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

Within 2 miles, the terrain around Logan has only modest variations in elevation — a maximum elevation change of 564 ft around an average of 4,551 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,285 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,692 ft.

The land around Logan is covered by artificial surfaces (48%), trees (26%) and grassland (20%) within 2 miles, grassland (37%), trees (30%) and cropland (22%) within 10 miles, and grassland (57%) and trees (21%) within 50 miles.

2 miles
564 ft
10 miles
5,285 ft
50 miles
5,692 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Brigham City 18 mi · North Ogden 30 mi · Ogden 36 mi · South Ogden 39 mi · Roy 41 mi · Clinton 43 mi · Clearfield 44 mi · Syracuse 46 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 Logan (41.7355°, -111.8344°, elevation 4,534 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).