Pullman weather in August

In August, Pullman sees average daytime highs of 83°F and overnight lows near 58°F, with 0.5 in of rain across 2.1 wet days and about 14 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 86°F in the first days to 80°F by the end. The sky is clear or mostly clear about 70% 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 Pullman's 2nd-clearest and 12th-windiest month. For the whole year in context, see Pullman's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
58°
11th coldest
Rainfall
0.5 in
2.1 wet days
Daylight
14 hours
4:52 AM – 6:54 PM
Cloud cover
28%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
6.7 kWh/m²
Travel score
7.3
out of 10

Pullman is city in Whitman County, Washington State, USA.

Density
1,187/km²
people per km²
Founded
1875

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 86°F in the first days to 80°F by the end.

A typical August day in Pullman reaches about 83°F in the afternoon and slips back to 58°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 94°F. Set against its neighbours, August runs on par with July and about 10°F warmer than September.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
18660
28660
38660
48660
58660
68660
78660
88560
98559
108559
118559
128559
138559
148459
158458
168458
178458
188358
198358
208357
218257
228257
238257
248256
258156
268156
278156
288056
298055
308055
317955

How August really feels in Pullman

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.

Pullman 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
Jan37° / 27°3.013.17.48.80.0
Feb42° / 29°2.210.85.3100.3
Mar50° / 34°2.612.43.211.62.1
Apr57° / 39°2.010.20.813.34.1
May66° / 46°1.98.9014.86.2
Jun73° / 52°1.25.7015.67.5
Jul84° / 58°0.42.4015.37.1
Aug83° / 58°0.52.10147.3
Sep74° / 51°0.83.7012.48.1
Oct59° / 41°2.08.50.210.65.0
Nov45° / 33°3.112.53.89.21.0
Dec37° / 27°3.213.68.68.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48614
58614
68515
78515
88515
98515
108515
118515
128515
138416
148416
158416
168317
178218
188218
198317
208317
218317
228218
238218
248218
258218
268218
278218
288218
298218
308119
318119

Chance of precipitation in August

Any precipitation

Pullman gets around 0.5 in of rain over 2.1 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 7% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
36
46
56
66
76
86
96
106
116
126
136
146
156
167
177
187
197
207
217
227
238
248
258
268
278
288
298
308
318

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 (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 4:33 AM to 5:12 AM, and sunset from 7:17 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:337:17
214.74:347:15
314.64:357:14
414.64:377:13
514.64:387:11
614.54:397:10
714.54:407:08
814.44:427:07
914.44:437:05
1014.34:447:04
1114.34:467:02
1214.24:477:00
1314.24:486:59
1414.14:496:57
1514.14:516:55
1614.04:526:54
1714.04:536:52
1813.94:556:50
1913.94:566:48
2013.84:576:47
2113.84:596:45
2213.75:006:43
2313.75:016:41
2413.65:036:39
2513.65:046:37
2613.55:056:35
2713.45:076:33
2813.45:086:31
2913.35:096:30
3013.35:116:28
3113.25:126:26

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.7 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 7.73 kWh/m² in July across the year — August's 6.7 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.3Intense
37.3Intense
47.3Intense
57.2Intense
67.2Intense
77.1Intense
87.1Intense
97.0Intense
107.0Intense
117.0Intense
126.9Intense
136.9Intense
146.8Intense
156.8Intense
166.7Intense
176.7Intense
186.6Intense
196.6Intense
206.5Intense
216.5Intense
226.4Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.0Intense
305.9Bright
315.9Bright
Planning a trip in August

Is August a good time to visit Pullman?

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

7.3
Sightseeing
3rd-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Pullman in August

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

In August, Pullman sees daytime highs around 83°F and nights near 58°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Pullman in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pullman peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Dec 16UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul9Very high
Aug6High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Pullman 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 Pullman is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1627 µg/m³Dec 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar14Moderate
Apr15Moderate
May11Good
Jun10Good
Jul25Moderate
Aug27Moderate
Sep25Moderate
Oct18Moderate
Nov17Moderate
Dec8Good
Location & terrain

Where is Pullman?

Pullman sits at 46.7°N, 117.2°W, 2,352 ft above sea level, in United States. The nearest listed city is Moscow, 8.7 mi away.

Topography around Pullman

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

Within 2 miles, the terrain around Pullman has only modest variations in elevation — a maximum elevation change of 423 ft around an average of 2,520 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,215 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,827 ft.

The land around Pullman is covered by cropland (32%), grassland (24%) and artificial surfaces (24%) within 2 miles, cropland (82%) within 10 miles, and cropland (37%), grassland (36%) and trees (25%) within 50 miles.

2 miles
423 ft
10 miles
2,215 ft
50 miles
5,827 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Moscow 8.7 mi · Lewiston 23 mi · Lewiston Orchards 26 mi · Opportunity 63 mi · Spokane Valley 65 mi · Spokane 65 mi · Coeur d'Alene 68 mi · Post Falls 69 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 Pullman (46.7313°, -117.1796°, elevation 2,352 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).