Palo Alto weather in August: Palo Alto, California: normal highs, lows, rain and records for August

Palo Alto in August has a normal high of 79°F and a normal low of 55°F, a daily mean of 67°F, holding near 79°F all month. Measurable precipitation falls on 0 days in a normal August, 0.03 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 13°C, 1 mm of precipitation in August.

  • NOAA stationPalo Alto
  • Station IDUSC00046646
  • Location37.44°N 122.14°W
  • Elevation25 ft (8 m)
  • From the center3 miles
  • Population67,658
  1. Jan 58° 39°
  2. Feb 61° 41°
  3. Mar 66° 44°
  4. Apr 70° 45°
  5. May 73° 50°
  6. Jun 79° 53°
  7. Jul 79° 56°
  8. Aug 79° 55°
  9. Sep 80° 53°
  10. Oct 74° 48°
  11. Nov 64° 43°
  12. Dec 58° 39°

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

How warm is Palo Alto in August?

The normal high is 79°F and the normal low 55°F, for a daily mean of 67.0°F. August is 0.6°F cooler than July and 0.7°F warmer than September. August is the 2nd warmest month of the year in Palo Alto and the 11th wettest. Across the month the normal high rises 2°F, from 78°F on August 1 to 80°F on August 31. From one year to the next August's mean temperature typically moves about 1.2°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 66°F and 68°F.

Palo Alto 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 1%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 178°F56°F0%0%
August 878°F56°F0%0%
August 1579°F55°F1%0%
August 2279°F55°F1%0%
August 3180°F54°F1%1%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 31, coldest night August 30)
Palo Alto: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 178°F56°F0%0%14 h 10 min
August 278°F56°F0%0%14 h
August 378°F56°F0%0%14 h
August 478°F56°F0%0%14 h
August 578°F56°F0%0%14 h
August 678°F56°F0%0%14 h
August 778°F56°F0%0%13 h 50 min
August 878°F56°F0%0%13 h 50 min
August 978°F56°F0%0%13 h 50 min
August 1078°F56°F0%0%13 h 50 min
August 1178°F56°F0%0%13 h 50 min
August 1278°F56°F0%0%13 h 50 min
August 1378°F56°F1%0%13 h 40 min
August 1478°F55°F1%0%13 h 40 min
August 1579°F55°F1%0%13 h 40 min
August 1679°F55°F1%0%13 h 40 min
August 1779°F55°F1%0%13 h 30 min
August 1879°F55°F1%0%13 h 30 min
August 1979°F55°F1%0%13 h 30 min
August 2079°F55°F1%0%13 h 30 min
August 2179°F55°F1%0%13 h 30 min
August 2279°F55°F1%0%13 h 20 min
August 2379°F55°F1%0%13 h 20 min
August 2479°F55°F1%0%13 h 20 min
August 2579°F55°F1%0%13 h 20 min
August 2679°F55°F1%0%13 h 20 min
August 2779°F55°F1%1%13 h 10 min
August 2880°F55°F1%1%13 h 10 min
August 2980°F55°F1%1%13 h 10 min
August 3080°F54°F1%1%13 h 10 min
August 3180°F54°F1%1%13 h
Normal high
79°FAugust average
Normal low
55°FAugust average
Precipitation
0.03 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
2
Daylight
14 h 10 min to 13 hAugust 1 to August 31
Days at 70°F or more
30
Days at 80°F or more
12
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00046646; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Palo Alto in August?

On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 31 (1%). In all, 0.03 in falls on 0 days of a normal August.

In a normal August in Palo Alto, 2 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00046646.

What are the records for August in Palo Alto?

The warmest August temperature on this station's record (since 1953) is 101°F, on August 30, 1968; the coldest is 44°F, on August 4, 1982. The wettest August brought 0.81 in (1976).

Source: records: ACIS, station USC00046646. Records and recent months use complete months only.

How does August in Palo Alto 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; Palo Alto's is 79°F.

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

Other months and places