Klamath Falls weather in August: Klamath Falls, Oregon: normal highs, lows, rain and records for August

Klamath Falls in August has a normal high of 85°F and a normal low of 47°F, a daily mean of 66°F, falling from 87°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 2 days in a normal August, 0.28 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 29°C and low of 8°C, 7 mm of precipitation in August.

  • NOAA stationKlamath Falls International Airport
  • Station IDUSW00094236
  • Location42.15°N 121.72°W
  • Elevation4,084 ft (1,245 m)
  • Population22,174
  1. Jan 42° 22°
  2. Feb 46° 24°
  3. Mar 52° 27°
  4. Apr 58° 29°
  5. May 67° 36°
  6. Jun 76° 41°
  7. Jul 86° 48°
  8. Aug 85° 47°
  9. Sep 78° 39°
  10. Oct 64° 31°
  11. Nov 49° 25°
  12. Dec 40° 21°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Klamath Falls in August?

The normal high is 85°F and the normal low 47°F, for a daily mean of 65.6°F. August is 1.5°F cooler than July and 7.4°F warmer than September. August is the 2nd warmest month of the year in Klamath Falls and the 11th wettest. Across the month the normal high falls 5°F, from 87°F on August 1 to 82°F on August 31. From one year to the next August's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 64°F and 67°F.

Klamath Falls in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 7%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 187°F49°F6%3%
August 886°F48°F7%3%
August 1585°F47°F7%3%
August 2284°F45°F7%3%
August 3182°F43°F7%3%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Klamath Falls: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 187°F49°F6%3%14 h 30 min
August 287°F49°F7%3%14 h 30 min
August 387°F49°F7%3%14 h 20 min
August 487°F49°F7%3%14 h 20 min
August 587°F49°F7%3%14 h 20 min
August 687°F49°F7%3%14 h 20 min
August 787°F48°F7%3%14 h 20 min
August 886°F48°F7%3%14 h 10 min
August 986°F48°F7%3%14 h 10 min
August 1086°F48°F7%3%14 h 10 min
August 1186°F48°F7%3%14 h 10 min
August 1286°F48°F7%3%14 h
August 1385°F47°F7%3%14 h
August 1485°F47°F7%3%14 h
August 1585°F47°F7%3%14 h
August 1685°F47°F7%3%13 h 50 min
August 1785°F47°F7%3%13 h 50 min
August 1885°F46°F7%3%13 h 50 min
August 1984°F46°F7%3%13 h 50 min
August 2084°F46°F7%3%13 h 40 min
August 2184°F46°F7%3%13 h 40 min
August 2284°F45°F7%3%13 h 40 min
August 2384°F45°F7%3%13 h 40 min
August 2483°F45°F7%3%13 h 30 min
August 2583°F45°F7%3%13 h 30 min
August 2683°F44°F7%3%13 h 30 min
August 2783°F44°F7%3%13 h 30 min
August 2883°F44°F7%3%13 h 20 min
August 2982°F44°F7%3%13 h 20 min
August 3082°F43°F7%3%13 h 20 min
August 3182°F43°F7%3%13 h 10 min
Normal high
85°FAugust average
Normal low
47°FAugust average
Precipitation
0.28 inmonth total
Days with precipitation
20.01 inch or more
Days at 90°F or more
6
Daylight
14 h 30 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
30
Days at 80°F or more
25
Sunshine
93%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094236; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Klamath Falls in August?

On a given August day the chance of 0.01 inch or more is 7% on average, highest around August 28 (7%). In all, 0.28 in falls on 2 days of a normal August.

In a normal August in Klamath Falls, 6 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094236.

How humid and windy is Klamath Falls in August?

At 3 p.m. the normal temperature is 80°F with 22% relative humidity and a dew point of 37°F; at 6 a.m. it is 46°F with 84% humidity. The wind averages 5.4 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.46°F41°F84%1.9 mph76%
9 a.m.64°F44°F48%4.4 mph77%
noon75°F40°F28%5.9 mph74%
3 p.m.80°F37°F22%8.7 mph69%
6 p.m.75°F40°F29%11.0 mph69%
9 p.m.62°F44°F52%5.8 mph84%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094236. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Klamath Falls?

The warmest August temperature on Klamath Falls's official record (since 1897) is 104°F, on August 7, 1972; the coldest is 28°F, on August 30, 1908. The wettest August brought 2.93 in (1941).

The August mean against the 1991-2020 normal of 65.6°F: 2021 65.9°F (+0.3), 2022 69.6°F (+4.0), 2023 67.0°F (+1.4), 2024 64.5°F (−1.1), 2025 66.5°F (+0.9), 2026 66.2°F (+0.6). 5 of 6 ran warmer than normal.

Klamath Falls: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202165.9°F+0.3°F0.00 in
202269.6°F+4.0°F0.27 in
202367.0°F+1.4°F0.54 in
202464.5°F−1.1°F1.04 in
202566.5°F+0.9°F1.04 in
202666.2°F+0.6°F0.00 in

Source: records: ACIS, NWS threaded record LMTthr; recent months: ACIS, station USW00094236. Records and recent months use complete months only.

How does August in Klamath Falls compare across Oregon?

Across the 105 places PlainClimate covers in Oregon, August normal highs run from 64°F in Newport to 94°F in Cave Junction; Klamath Falls's is 85°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places