McMinnville weather in August

In August, McMinnville sees average daytime highs of 80°F and overnight lows near 55°F, with 0.6 in of rain across 2.8 wet days and about 13.9 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 81°F in the first days to 78°F by the end. The sky is clear or mostly clear about 63% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is McMinnville's 1st-clearest and 11th-windiest month. For the whole year in context, see McMinnville's year-round climate.

Daytime high
80°
1st warmest
Overnight low
55°
12th coldest
Rainfall
0.6 in
2.8 wet days
Daylight
13 h 54 min
5:19 AM – 7:14 PM
Cloud cover
33%
1st clearest
Wind
5 mph
11th windiest
Solar energy
6.05 kWh/m²
Travel score
8.2
out of 10

McMinnville is city in Oregon, USA.

Density
1,237/km²
people per km²
Founded
1856

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 81°F in the first days to 78°F by the end.

A typical August day in McMinnville reaches about 80°F in the afternoon and slips back to 55°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 91°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18155
28155
38155
48155
58155
68155
78155
88155
98155
108155
118155
128155
138155
148055
158055
168055
178055
188055
198055
208055
217955
227955
237955
247954
257954
267854
277854
287854
297854
307854
317854

How August really feels in McMinnville

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.

McMinnville weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 35°7.717.43.390.9
Feb49° / 36°5.714.82.910.11.7
Mar53° / 38°6.417.52.511.62.5
Apr58° / 41°4.715.70.713.23.6
May65° / 46°2.710.5014.65.7
Jun70° / 50°1.76.8015.47.0
Jul79° / 54°0.42.1015.18.3
Aug80° / 55°0.62.8013.98.2
Sep74° / 51°1.75.6012.37.8
Oct62° / 45°4.411.5010.75.1
Nov51° / 39°7.717.319.31.9
Dec45° / 35°9.017.53.48.60.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28218
38218
48119
58119
68020
78020
87921
97921
107921
117822
127822
137822
147624
157624
167624
177624
187525
197525
207525
217426
227426
237426
247327
257327
267327
277327
287228
297228
307228
317228

Chance of precipitation in August

Any precipitation

McMinnville gets around 0.6 in of rain over 2.8 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 9% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
76
86
96
106
117
127
137
148
158
168
179
189
199
2010
2111
2211
2312
2412
2512
2613
2713
2813
2913
3013
3114

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188111
288111
389110
489110
589110
688120
788120
887130
987130
1086140
1186140
1285150
1385150
1485150
1585150
1685150
1785150
1885150
1985150
2085150
2185150
2285150
2385150
2485150
2586140
2686140
2786140
2887130
2987130
3087130
3188120

Wind in August

Winds average 5 mph in August.

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

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
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 36 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 5:01 AM to 5:38 AM, and sunset from 7:36 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:017:36
214.55:037:35
314.55:047:34
414.55:057:32
514.45:067:31
614.45:077:30
714.35:087:28
814.35:107:27
914.25:117:25
1014.25:127:24
1114.25:137:22
1214.15:147:21
1314.15:167:19
1414.05:177:18
1514.05:187:16
1613.95:197:14
1713.95:217:13
1813.85:227:11
1913.85:237:09
2013.75:247:08
2113.75:257:06
2213.65:277:04
2313.65:287:02
2413.55:297:01
2513.55:306:59
2613.45:326:57
2713.45:336:55
2813.35:346:53
2913.35:356:52
3013.25:376:50
3113.25:386:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.05 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6.88 kWh/m² in July across the year — August's 6.05 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.7Intense
36.7Intense
46.7Intense
56.6Intense
66.6Intense
76.5Intense
86.5Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.0Intense
186.0Intense
196.0Bright
205.9Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in August

Hazard calendar for McMinnville

In seasonPeak

None of McMinnville's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

McMinnville's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit McMinnville?

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

8.2
Sightseeing
2nd-best month of the year
8.1
Beach & pool
1st-best month of the year

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

What to pack for McMinnville in August

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

In August, McMinnville sees daytime highs around 80°F and nights near 55°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near McMinnville in August

The nearest coast averages about 59°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 44 mi away) is warmest in August at about 59°F and coldest in February near 49°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

50°55°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan50Bracing
Feb49Bracing
Mar50Bracing
Apr51Bracing
May54Bracing
Jun57Bracing
Jul58Bracing
Aug59Bracing
Sep58Bracing
Oct55Bracing
Nov53Bracing
Dec50Bracing

UV index in McMinnville in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in McMinnville peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May8Very high
Jun7High
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in McMinnville 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 McMinnville is worst in September — around 34 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (January, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1531 µg/m³Jan 167 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May9Good
Jun8Good
Jul7Good
Aug14Moderate
Sep34Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is McMinnville?

McMinnville sits at 45.2°N, 123.2°W, 154 ft above sea level, in United States. The nearest listed city is Newberg, 12 mi away.

Topography around McMinnville

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

Within 2 miles, the terrain around McMinnville has only modest variations in elevation — a maximum elevation change of 269 ft around an average of 151 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,267 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,803 ft.

The land around McMinnville is covered by trees (38%) and artificial surfaces (28%) within 2 miles, trees (48%), cropland (27%) and grassland (21%) within 10 miles, and trees (66%) within 50 miles.

2 miles
269 ft
10 miles
2,267 ft
50 miles
4,803 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Newberg 12 mi · Woodburn 17 mi · Keizer 17 mi · Hayesville 19 mi · Salem 20 mi · Sherwood 20 mi · Dallas 21 mi · Wilsonville 22 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 McMinnville (45.2101°, -123.1987°, elevation 154 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).