Lake Arrowhead weather in August: Lake Arrowhead, California: normal highs, lows, rain and records for August

Lake Arrowhead in August has a normal high of 82°F and a normal low of 57°F, a daily mean of 69°F, falling from 82°F on the 1st to 80°F by the 31st. Measurable precipitation falls on 1 days in a normal August, 0.13 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 28°C and low of 14°C, 3 mm of precipitation in August.

  • NOAA stationLake Arrowhead
  • Station IDUSC00044671
  • Location34.25°N 117.19°W
  • Elevation5,205 ft (1,587 m)
  • From the centerunder 1 mile
  • Population (census place)10,746
  1. Jan 44° 29°
  2. Feb 45° 30°
  3. Mar 52° 32°
  4. Apr 60° 36°
  5. May 67° 41°
  6. Jun 76° 49°
  7. Jul 81° 57°
  8. Aug 82° 57°
  9. Sep 74° 52°
  10. Oct 63° 43°
  11. Nov 52° 34°
  12. Dec 43° 29°

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

How warm is Lake Arrowhead in August?

The normal high is 82°F and the normal low 57°F, for a daily mean of 69.4°F. August is 0.3°F warmer than July and 6.4°F warmer than September. August is the warmest month of the year in Lake Arrowhead and the 11th wettest. Across the month the normal high falls 2°F, from 82°F on August 1 to 80°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.

Lake Arrowhead 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 2%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 182°F58°F2%2%
August 883°F58°F2%2%
August 1582°F57°F2%1%
August 2282°F57°F2%1%
August 3180°F56°F2%1%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 4, coldest night August 31)
Lake Arrowhead: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 182°F58°F2%2%13 h 50 min
August 283°F58°F2%2%13 h 50 min
August 383°F58°F2%2%13 h 50 min
August 483°F58°F2%2%13 h 50 min
August 583°F58°F2%2%13 h 50 min
August 683°F58°F2%2%13 h 40 min
August 783°F58°F2%2%13 h 40 min
August 883°F58°F2%2%13 h 40 min
August 983°F58°F2%2%13 h 40 min
August 1083°F58°F2%2%13 h 40 min
August 1183°F58°F2%2%13 h 40 min
August 1283°F58°F2%2%13 h 30 min
August 1383°F58°F2%2%13 h 30 min
August 1482°F57°F2%2%13 h 30 min
August 1582°F57°F2%1%13 h 30 min
August 1682°F57°F2%1%13 h 30 min
August 1782°F57°F2%1%13 h 20 min
August 1882°F57°F2%1%13 h 20 min
August 1982°F57°F2%1%13 h 20 min
August 2082°F57°F2%1%13 h 20 min
August 2182°F57°F2%1%13 h 20 min
August 2282°F57°F2%1%13 h 20 min
August 2381°F57°F2%1%13 h 10 min
August 2481°F57°F2%1%13 h 10 min
August 2581°F56°F2%1%13 h 10 min
August 2681°F56°F2%1%13 h 10 min
August 2781°F56°F2%1%13 h 10 min
August 2880°F56°F2%1%13 h
August 2980°F56°F2%1%13 h
August 3080°F56°F2%1%13 h
August 3180°F56°F2%1%13 h
Normal high
82°FAugust average
Normal low
57°FAugust average
Precipitation
0.13 inmonth total
Days with precipitation
10.01 inch or more
Days at 90°F or more
4
Daylight
13 h 50 min to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
24
Sunshine
96%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00044671; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Lake Arrowhead in August?

On a given August day the chance of 0.01 inch or more is 2% on average, highest around August 1 (2%). In all, 0.13 in falls on 1 days of a normal August.

In a normal August in Lake Arrowhead, 4 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00044671.

What are the records for August in Lake Arrowhead?

The warmest August temperature on this station's record (since 1941) is 99°F, on August 12, 1944; the coldest is 33°F, on August 19, 1996. The wettest August brought 3.47 in (1983).

Source: records: ACIS, station USC00044671. Records and recent months use complete months only.

How does August in Lake Arrowhead compare across California?

Across the 219 places PlainClimate covers in California, August normal highs run from 63°F in Bodega to 109°F in Needles; Lake Arrowhead's is 82°F.

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

Other months and places