Klamath Falls weather in August

In August, Klamath Falls sees average daytime highs of 83°F and overnight lows near 55°F, with 0.4 in of rain across 1.8 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 86°F in the first days to 81°F by the end. The sky is clear or mostly clear about 78% 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 Klamath Falls's 1st-clearest and 10th-windiest month. For the whole year in context, see Klamath Falls's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
55°
11th coldest
Rainfall
0.4 in
1.8 wet days
Daylight
13 h 42 min
5:19 AM – 7:03 PM
Cloud cover
21%
1st clearest
Wind
4 mph
10th windiest
Solar energy
7.14 kWh/m²
Travel score
7.4
out of 10

Klamath Falls is city in and county seat of Klamath County, Oregon, United States.

Density
400/km²
people per km²
Founded
1905

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 81°F by the end.

A typical August day in Klamath Falls reaches about 83°F in the afternoon and slips back to 55°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 91°F. Set against its neighbours, August runs on par with July and about 8°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18656
28656
38556
48556
58556
68556
78556
88556
98556
108555
118455
128455
138455
148455
158455
168455
178455
188355
198354
208354
218354
228354
238354
248253
258253
268253
278253
288253
298152
308152
318152

How August really feels in Klamath Falls

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.

Klamath Falls 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
Jan39° / 26°3.211.89.59.30.0
Feb43° / 27°2.5108.410.30.4
Mar48° / 30°2.812.1811.61.8
Apr55° / 34°2.010.14.513.13.5
May65° / 41°1.78.31.114.46.2
Jun74° / 47°0.94.70.1157.9
Jul84° / 55°0.32.1014.87.1
Aug83° / 55°0.41.8013.77.4
Sep76° / 48°0.52.6012.38.6
Oct62° / 40°1.45.7110.86.1
Nov47° / 32°2.79.75.59.61.4
Dec38° / 26°3.912.410.490.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
48812
58812
68812
78911
88911
98911
108911
118812
128911
138911
149010
159010
169010
179010
189010
199010
209010
219010
229010
23919
24919
25919
269010
279010
289010
299010
309010
319010

Chance of precipitation in August

Any precipitation

Klamath Falls gets around 0.4 in of rain over 1.8 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 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
27
37
47
57
67
77
87
97
107
117
126
136
146
156
166
176
186
196
206
215
225
235
245
255
265
275
285
295
305
315

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
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
241000
251000
261000
271000
281000
291000
301000
311000

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 5:04 AM to 5:36 AM, and sunset from 7:23 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:047:23
214.35:057:22
314.25:067:20
414.25:077:19
514.25:087:18
614.15:097:17
714.15:107:16
814.15:117:14
914.05:127:13
1014.05:137:12
1113.95:147:10
1213.95:157:09
1313.95:167:07
1413.85:177:06
1513.85:187:04
1613.75:197:03
1713.75:217:01
1813.65:227:00
1913.65:236:58
2013.65:246:57
2113.55:256:55
2213.55:266:54
2313.45:276:52
2413.45:286:50
2513.35:296:49
2613.35:306:47
2713.25:316:45
2813.25:326:44
2913.15:346:42
3013.15:356:40
3113.05:366:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.14 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 8.03 kWh/m² in July across the year — August's 7.14 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.6Intense
37.6Intense
47.6Intense
57.5Intense
67.5Intense
77.5Intense
87.4Intense
97.4Intense
107.4Intense
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
266.8Intense
276.7Intense
286.7Intense
296.6Intense
306.6Intense
316.5Intense
Planning a trip in August

Hazard calendar for Klamath Falls

In seasonPeak

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

Klamath Falls's rainy season runs November–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 Klamath Falls?

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

7.4
Sightseeing
3rd-best month of the year
8.8
Beach & pool
1st-best month of the year

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

What to pack for Klamath Falls in August

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

In August, Klamath Falls sees daytime highs around 83°F and nights near 55°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Klamath Falls in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Klamath Falls peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 11UV 10Dec 12UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May9Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov2Low
Dec2Low

Air quality in Klamath Falls 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 Klamath Falls is worst in July — around 40 µg/m³ PM2.5 (poor), about 7.4× the cleanest month (January, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodPoorModerateGoodJul 2139 µg/m³Jan 186 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb8Good
Mar9Good
Apr14Moderate
May9Good
Jun7Good
Jul40Poor
Aug33Moderate
Sep38Poor
Oct10Good
Nov8Good
Dec9Good
Location & terrain

Where is Klamath Falls?

Klamath Falls sits at 42.2°N, 121.8°W, 4,108 ft above sea level, in United States. The nearest listed city is Altamont, 2.5 mi away.

Topography around Klamath Falls

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

Within 2 miles, the terrain around Klamath Falls has significant variations in elevation — a maximum elevation change of 896 ft around an average of 4,259 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,126 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 7,894 ft.

The land around Klamath Falls is covered by grassland (47%) and artificial surfaces (29%) within 2 miles, grassland (44%) and trees (30%) within 10 miles, and trees (58%) and grassland (35%) within 50 miles.

2 miles
896 ft
10 miles
2,126 ft
50 miles
7,894 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Altamont 2.5 mi · Ashland 47 mi · Medford 57 mi · Central Point 59 mi · Grants Pass 81 mi · Roseburg 105 mi · Redding 117 mi · Bend 129 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 Klamath Falls (42.2249°, -121.7817°, elevation 4,108 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).