Leavenworth weather in August: Leavenworth, Washington: normal highs, lows, rain and records for August

Leavenworth in August has a normal high of 87°F and a normal low of 50°F, a daily mean of 69°F, falling from 90°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 2 days in a normal August, 0.37 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 10°C, 9 mm of precipitation in August.

  • NOAA stationLeavenworth (3 mi S)
  • Station IDUSC00454572
  • Location47.56°N 120.67°W
  • Elevation1,128 ft (344 m)
  • Population2,908
  1. Jan 34° 19°
  2. Feb 42° 21°
  3. Mar 52° 26°
  4. Apr 61° 32°
  5. May 71° 40°
  6. Jun 77° 46°
  7. Jul 87° 51°
  8. Aug 87° 50°
  9. Sep 78° 42°
  10. Oct 62° 33°
  11. Nov 44° 26°
  12. Dec 34° 20°

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

How warm is Leavenworth in August?

The normal high is 87°F and the normal low 50°F, for a daily mean of 68.6°F. August is 0.4°F cooler than July and 8.8°F warmer than September. August is the 2nd warmest month of the year in Leavenworth and the 12th wettest. Across the month the normal high falls 7°F, from 90°F on August 1 to 83°F on August 31. From one year to the next August's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 67°F and 71°F.

Leavenworth 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 11%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 190°F53°F8%4%
August 889°F52°F8%4%
August 1587°F51°F8%4%
August 2286°F49°F9%4%
August 3183°F47°F11%5%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Leavenworth: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 190°F53°F8%4%15 h
August 290°F53°F8%4%15 h
August 390°F53°F8%4%14 h 50 min
August 490°F53°F8%4%14 h 50 min
August 589°F53°F8%4%14 h 50 min
August 689°F52°F8%4%14 h 50 min
August 789°F52°F8%4%14 h 40 min
August 889°F52°F8%4%14 h 40 min
August 989°F52°F8%4%14 h 40 min
August 1089°F52°F8%4%14 h 40 min
August 1188°F52°F8%4%14 h 30 min
August 1288°F52°F8%4%14 h 30 min
August 1388°F51°F8%4%14 h 30 min
August 1488°F51°F8%4%14 h 20 min
August 1587°F51°F8%4%14 h 20 min
August 1687°F51°F8%4%14 h 20 min
August 1787°F51°F8%4%14 h 10 min
August 1887°F50°F8%4%14 h 10 min
August 1986°F50°F8%4%14 h 10 min
August 2086°F50°F9%4%14 h
August 2186°F50°F9%4%14 h
August 2286°F49°F9%4%14 h
August 2385°F49°F9%4%14 h
August 2485°F49°F10%4%13 h 50 min
August 2585°F48°F10%4%13 h 50 min
August 2684°F48°F10%4%13 h 50 min
August 2784°F48°F10%4%13 h 40 min
August 2884°F47°F10%4%13 h 40 min
August 2984°F47°F11%4%13 h 40 min
August 3083°F47°F11%5%13 h 30 min
August 3183°F47°F11%5%13 h 30 min
Normal high
87°FAugust average
Normal low
50°FAugust average
Precipitation
0.37 inmonth total
Days with precipitation
20.01 inch or more
Days at 90°F or more
14
Daylight
15 h to 13 h 30 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
26
Sunshine
85%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00454572; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Leavenworth in August?

On a given August day the chance of 0.01 inch or more is 9% on average, highest around August 31 (11%). In all, 0.37 in falls on 2 days of a normal August.

In a normal August in Leavenworth, 14 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00454572.

What are the records for August in Leavenworth?

The warmest August temperature on this station's record (since 1914) is 108°F, on August 18, 1942; the coldest is 30°F, on August 29, 1980. The wettest August brought 2.41 in (1923).

The August mean against the 1991-2020 normal of 68.6°F: 2021 69.9°F (+1.3), 2024 68.5°F (−0.1), 2026 69.2°F (+0.6). 2 of 3 ran warmer than normal.

Leavenworth: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202169.9°F+1.3°F0.09 in
202468.5°F−0.1°F1.04 in
202669.2°F+0.6°F0.19 in

Source: records: ACIS, station USC00454572; recent months: ACIS, station USC00454572. Records and recent months use complete months only.

How does August in Leavenworth compare across Washington?

Across the 96 places PlainClimate covers in Washington, August normal highs run from 67°F in Long Beach to 91°F in Pasco; Leavenworth's is 87°F.

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

Other months and places