Joshua Tree weather in August: Joshua Tree, California: normal highs, lows, rain and records for August

Joshua Tree in August has a normal high of 100°F and a normal low of 70°F, a daily mean of 85°F, falling from 102°F on the 1st to 98°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 38°C and low of 21°C, 9 mm of precipitation in August.

  • NOAA stationJoshua Tree
  • Station IDUSC00044405
  • Location34.15°N 116.27°W
  • Elevation2,563 ft (781 m)
  • Population (census place)6,767
  1. Jan 60° 38°
  2. Feb 63° 39°
  3. Mar 70° 43°
  4. Apr 77° 47°
  5. May 86° 54°
  6. Jun 95° 61°
  7. Jul 102° 70°
  8. Aug 100° 70°
  9. Sep 93° 64°
  10. Oct 82° 52°
  11. Nov 69° 43°
  12. Dec 60° 36°

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

How warm is Joshua Tree in August?

The normal high is 100°F and the normal low 70°F, for a daily mean of 84.9°F. August is 0.7°F cooler than July and 6.7°F warmer than September. August is the 2nd warmest month of the year in Joshua Tree and the 5th wettest. Across the month the normal high falls 4°F, from 102°F on August 1 to 98°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 83°F and 87°F.

Joshua Tree 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 6%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 1102°F71°F6%3%
August 8101°F70°F6%3%
August 15101°F70°F6%3%
August 22100°F69°F6%3%
August 3198°F68°F6%4%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Joshua Tree: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 1102°F71°F6%3%13 h 50 min
August 2102°F71°F6%3%13 h 50 min
August 3102°F70°F6%3%13 h 50 min
August 4102°F70°F6%3%13 h 50 min
August 5102°F70°F6%3%13 h 50 min
August 6102°F70°F6%3%13 h 40 min
August 7102°F70°F6%3%13 h 40 min
August 8101°F70°F6%3%13 h 40 min
August 9101°F70°F6%3%13 h 40 min
August 10101°F70°F6%3%13 h 40 min
August 11101°F70°F6%3%13 h 40 min
August 12101°F70°F6%3%13 h 30 min
August 13101°F70°F6%3%13 h 30 min
August 14101°F70°F6%3%13 h 30 min
August 15101°F70°F6%3%13 h 30 min
August 16101°F70°F6%3%13 h 30 min
August 17100°F70°F6%3%13 h 20 min
August 18100°F69°F6%3%13 h 20 min
August 19100°F69°F6%3%13 h 20 min
August 20100°F69°F6%3%13 h 20 min
August 21100°F69°F6%3%13 h 20 min
August 22100°F69°F6%3%13 h 10 min
August 2399°F69°F6%3%13 h 10 min
August 2499°F69°F6%3%13 h 10 min
August 2599°F69°F6%4%13 h 10 min
August 2699°F69°F6%4%13 h 10 min
August 2799°F69°F6%4%13 h 10 min
August 2898°F69°F6%4%13 h
August 2998°F68°F6%4%13 h
August 3098°F68°F6%4%13 h
August 3198°F68°F6%4%13 h
Normal high
100°FAugust average
Normal low
70°FAugust average
Precipitation
0.37 inmonth total
Days with precipitation
20.01 inch or more
Days at 90°F or more
30
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
31
Sunshine
94%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00044405; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Joshua Tree in August?

On a given August day the chance of 0.01 inch or more is 6% on average, highest around August 21 (6%). In all, 0.37 in falls on 2 days of a normal August.

In a normal August in Joshua Tree, 30 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00044405.

What are the records for August in Joshua Tree?

The August mean against the 1991-2020 normal of 84.9°F: 2021 84.6°F (−0.3), 2022 85.0°F (+0.1), 2023 82.7°F (−2.2), 2024 86.8°F (+1.9), 2025 86.6°F (+1.7), 2026 90.5°F (+5.6). 4 of 6 ran warmer than normal.

Joshua Tree: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202184.6°F−0.3°F0.09 in
202285.0°F+0.1°F0.76 in
202382.7°F−2.2°F1.29 in
202486.8°F+1.9°F0.00 in
202586.6°F+1.7°F0.02 in
202690.5°F+5.6°F0.08 in

Source: recent months: ACIS, station USC00044405. Records and recent months use complete months only.

How does August in Joshua Tree 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; Joshua Tree's is 100°F.

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

Other months and places