Coeur d'Alene weather in August: Coeur d'Alene, Idaho: normal highs, lows, rain and records for August

Coeur d'Alene in August has a normal high of 83°F and a normal low of 56°F, a daily mean of 70°F, falling from 86°F on the 1st to 79°F by the 31st. Measurable precipitation falls on 4 days in a normal August, 0.77 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 28°C and low of 13°C, 20 mm of precipitation in August.

  • NOAA stationCoeur D'alene
  • Station IDUSC00101956
  • Location47.68°N 116.80°W
  • Elevation2,133 ft (650 m)
  • From the center1 miles
  • Population57,355
  1. Jan 36° 26°
  2. Feb 41° 27°
  3. Mar 48° 31°
  4. Apr 56° 37°
  5. May 66° 44°
  6. Jun 72° 51°
  7. Jul 83° 57°
  8. Aug 83° 56°
  9. Sep 74° 48°
  10. Oct 58° 39°
  11. Nov 44° 32°
  12. Dec 36° 26°

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

How warm is Coeur d'Alene in August?

The normal high is 83°F and the normal low 56°F, for a daily mean of 69.5°F. August is 0.6°F cooler than July and 8.5°F warmer than September. August is the 2nd warmest month of the year in Coeur d'Alene and the 11th wettest. Across the month the normal high falls 7°F, from 86°F on August 1 to 79°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 68°F and 71°F.

Coeur d'Alene 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 15%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 186°F59°F10%6%
August 885°F58°F10%7%
August 1584°F56°F11%7%
August 2282°F55°F12%7%
August 3179°F53°F15%8%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Coeur d'Alene: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 186°F59°F10%6%15 h
August 286°F59°F10%6%15 h
August 386°F58°F10%6%15 h
August 485°F58°F10%6%14 h 50 min
August 585°F58°F10%6%14 h 50 min
August 685°F58°F10%7%14 h 50 min
August 785°F58°F10%7%14 h 40 min
August 885°F58°F10%7%14 h 40 min
August 985°F58°F10%7%14 h 40 min
August 1085°F57°F11%7%14 h 40 min
August 1184°F57°F11%7%14 h 30 min
August 1284°F57°F11%7%14 h 30 min
August 1384°F57°F11%7%14 h 30 min
August 1484°F57°F11%7%14 h 20 min
August 1584°F56°F11%7%14 h 20 min
August 1683°F56°F11%7%14 h 20 min
August 1783°F56°F11%7%14 h 10 min
August 1883°F56°F11%7%14 h 10 min
August 1983°F56°F12%7%14 h 10 min
August 2082°F55°F12%7%14 h 10 min
August 2182°F55°F12%7%14 h
August 2282°F55°F12%7%14 h
August 2382°F55°F13%8%14 h
August 2481°F54°F13%8%13 h 50 min
August 2581°F54°F13%8%13 h 50 min
August 2681°F54°F13%8%13 h 50 min
August 2780°F54°F14%8%13 h 40 min
August 2880°F53°F14%8%13 h 40 min
August 2980°F53°F14%8%13 h 40 min
August 3080°F53°F14%8%13 h 30 min
August 3179°F53°F15%8%13 h 30 min
Normal high
83°FAugust average
Normal low
56°FAugust average
Precipitation
0.77 inmonth total
Days with precipitation
40.01 inch or more
Days at 90°F or more
8
Daylight
15 h to 13 h 30 minAugust 1 to August 31
Days at 70°F or more
29
Days at 80°F or more
22
Sunshine
88%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00101956; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Coeur d'Alene in August?

On a given August day the chance of 0.01 inch or more is 12% on average, highest around August 31 (15%). In all, 0.77 in falls on 4 days of a normal August.

In a normal August in Coeur d'Alene, 8 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00101956.

What are the records for August in Coeur d'Alene?

The warmest August temperature on this station's record (since 1895) is 109°F, on August 4, 1961; the coldest is 32°F, on August 31, 1898. The wettest August brought 3.66 in (1926).

The August mean against the 1991-2020 normal of 69.5°F: 2021 70.1°F (+0.6), 2024 69.7°F (+0.2), 2025 72.5°F (+3.0), 2026 71.9°F (+2.4). 4 of 4 ran warmer than normal.

Coeur d'Alene: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202170.1°F+0.6°F0.39 in
202469.7°F+0.2°F0.59 in
202572.5°F+3.0°F0.04 in
202671.9°F+2.4°F–

Source: records: ACIS, station USC00101956; recent months: ACIS, station USC00101956. Records and recent months use complete months only.

How does August in Coeur d'Alene compare across Idaho?

Across the 85 places PlainClimate covers in Idaho, August normal highs run from 69°F in Mullan to 97°F in Glenns Ferry; Coeur d'Alene's is 83°F.

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

Other months and places