Yakima weather in August

In August, Yakima sees average daytime highs of 87°F and overnight lows near 57°F, with 0.1 in of rain across 0.8 wet days and about 14 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 90°F in the first days to 83°F by the end. The sky is clear or mostly clear about 74% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Yakima's 2nd-clearest and 6th-windiest month. For the whole year in context, see Yakima's year-round climate.

Daytime high
87°
2nd warmest
Overnight low
57°
11th coldest
Rainfall
0.1 in
0.8 wet days
Daylight
14 hours
5:06 AM – 7:07 PM
Cloud cover
26%
2nd clearest
Wind
4 mph
6th windiest
Solar energy
6.74 kWh/m²
Travel score
6.2
out of 10

Yakima is city in and county seat of Yakima County, Washington, United States.

Density
1,284/km²
people per km²
Founded
1847

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 90°F in the first days to 83°F by the end.

A typical August day in Yakima reaches about 87°F in the afternoon and slips back to 57°F overnight — a 30°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 96°F. Set against its neighbours, August runs about 1°F cooler than July and about 10°F warmer than September.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
19059
29059
39059
49059
58959
68958
78958
88958
98958
108958
118858
128858
138858
148857
158757
168757
178757
188757
198656
208656
218656
228656
238556
248555
258555
268455
278455
288454
298354
308354
318354

How August really feels in Yakima

Once humidity and wind are folded in, August averages 4 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
4
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Yakima 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
Jan38° / 26°2.310.95.68.80.0
Feb44° / 28°1.67.53.1100.9
Mar53° / 33°1.37.51.311.63.3
Apr62° / 38°0.84.70.113.35.8
May72° / 46°0.74.3014.87.6
Jun80° / 53°0.42.5015.67.8
Jul88° / 58°0.10.8015.25.7
Aug87° / 57°0.10.80146.2
Sep77° / 49°0.31.9012.48.4
Oct62° / 40°1.25.50.110.65.9
Nov47° / 31°2.092.29.21.5
Dec38° / 26°2.610.968.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
28911
38911
48911
58911
68812
78812
88713
98713
108614
118614
128614
138515
148515
158515
168515
178317
188317
198317
208317
218317
228317
238218
248218
258119
268218
278218
288218
298218
308218
318218

Chance of precipitation in August

Any precipitation

Yakima gets around 0.1 in of rain over 0.8 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
42
52
62
72
82
92
103
113
123
133
144
154
164
174
184
194
204
213
223
233
243
253
263
273
283
293
303
313

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5973
6973
7973
8973
9973
10973
11973
12973
13973
14973
15973
16973
17973
18973
19973
20982
21982
22982
23982
24982
25982
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 42 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 90 minutes over August. Sunrise moves from 4:47 AM to 5:25 AM, and sunset from 7:30 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:477:30
214.74:487:28
314.64:497:27
414.64:507:25
514.54:517:24
614.54:537:23
714.54:547:21
814.44:557:20
914.44:577:18
1014.34:587:17
1114.34:597:15
1214.25:007:13
1314.25:027:12
1414.15:037:10
1514.15:047:08
1614.05:067:07
1714.05:077:05
1813.95:087:03
1913.95:107:01
2013.85:117:00
2113.85:126:58
2213.75:136:56
2313.75:156:54
2413.65:166:52
2513.55:176:50
2613.55:196:48
2713.45:206:47
2813.45:216:45
2913.35:236:43
3013.35:246:41
3113.25:256:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.74 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 7.84 kWh/m² in July across the year — August's 6.74 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.4Intense
37.4Intense
47.3Intense
57.3Intense
67.2Intense
77.2Intense
87.1Intense
97.1Intense
107.0Intense
117.0Intense
127.0Intense
136.9Intense
146.9Intense
156.8Intense
166.8Intense
176.7Intense
186.7Intense
196.6Intense
206.5Intense
216.5Intense
226.5Intense
236.4Intense
246.3Intense
256.3Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.0Intense
316.0Bright
Planning a trip in August

Is August a good time to visit Yakima?

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

6.2
Sightseeing
4th-best month of the year
8.7
Beach & pool
1st-best month of the year

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

What to pack for Yakima in August

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

In August, Yakima sees daytime highs around 87°F and nights near 57°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Yakima 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 Yakima peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 17UV 8Dec 12UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May7Very high
Jun6High
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Yakima 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 Yakima is worst in August — around 51 µg/m³ PM2.5 (poor), about 10.9× the cleanest month (December, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodPoorModerateGoodAug 1948 µg/m³Dec 215 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar8Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug51Poor
Sep31Moderate
Oct8Good
Nov7Good
Dec5Good
Location & terrain

Where is Yakima?

Yakima sits at 46.6°N, 120.5°W, 1,070 ft above sea level, in United States. The nearest listed city is Ellensburg, 27 mi away.

Topography around Yakima

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

Within 2 miles, the terrain around Yakima has only modest variations in elevation — a maximum elevation change of 669 ft around an average of 1,076 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,356 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,533 ft.

The land around Yakima is covered by artificial surfaces (58%) within 2 miles, grassland (64%) within 10 miles, and grassland (51%) and trees (35%) within 50 miles.

2 miles
669 ft
10 miles
2,356 ft
50 miles
7,533 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ellensburg 27 mi · Sunnyside 30 mi · Wenatchee 58 mi · Richland 62 mi · Tri-Cities 67 mi · Moses Lake 68 mi · Kennewick 71 mi · Pasco 71 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 Yakima (46.6021°, -120.5059°, elevation 1,070 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).