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

Concord in August has a normal high of 88°F and a normal low of 59°F, a daily mean of 74°F, holding near 88°F all month. Measurable precipitation falls on 0 days in a normal August, 0.02 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 15°C, 1 mm of precipitation in August.

  • NOAA stationConcord Buchanan Field
  • Station IDUSW00023254
  • Location37.99°N 122.06°W
  • Elevation18 ft (6 m)
  • From the center3 miles
  • Population124,016
  1. Jan 58° 41°
  2. Feb 62° 44°
  3. Mar 67° 47°
  4. Apr 71° 49°
  5. May 78° 53°
  6. Jun 84° 57°
  7. Jul 88° 59°
  8. Aug 88° 59°
  9. Sep 85° 58°
  10. Oct 78° 53°
  11. Nov 66° 45°
  12. Dec 58° 41°

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

How warm is Concord in August?

The normal high is 88°F and the normal low 59°F, for a daily mean of 73.6°F. August is 0.2°F warmer than July and 2.0°F warmer than September. August is the warmest month of the year in Concord and the 11th wettest. Across the month the normal high falls 1°F, from 88°F on August 1 to 87°F on August 31. From one year to the next August's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 72°F and 75°F.

Concord 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 188°F59°F1%0%
August 888°F59°F1%0%
August 1588°F60°F1%0%
August 2288°F60°F1%0%
August 3187°F59°F1%0%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 1)
Concord: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 188°F59°F1%0%14 h 10 min
August 288°F59°F1%0%14 h 10 min
August 388°F59°F1%0%14 h
August 488°F59°F1%0%14 h
August 588°F59°F1%0%14 h
August 688°F59°F1%0%14 h
August 788°F59°F1%0%14 h
August 888°F59°F1%0%14 h
August 988°F59°F1%0%13 h 50 min
August 1088°F59°F1%0%13 h 50 min
August 1188°F59°F1%0%13 h 50 min
August 1288°F59°F1%0%13 h 50 min
August 1388°F60°F1%0%13 h 50 min
August 1488°F60°F1%0%13 h 40 min
August 1588°F60°F1%0%13 h 40 min
August 1688°F60°F1%0%13 h 40 min
August 1788°F60°F1%0%13 h 40 min
August 1888°F60°F1%0%13 h 30 min
August 1988°F60°F1%0%13 h 30 min
August 2088°F60°F1%0%13 h 30 min
August 2188°F60°F1%0%13 h 30 min
August 2288°F60°F1%0%13 h 30 min
August 2388°F60°F1%0%13 h 20 min
August 2488°F60°F1%0%13 h 20 min
August 2588°F60°F1%0%13 h 20 min
August 2688°F60°F1%0%13 h 20 min
August 2788°F59°F1%0%13 h 10 min
August 2888°F59°F1%0%13 h 10 min
August 2988°F59°F1%0%13 h 10 min
August 3088°F59°F1%0%13 h 10 min
August 3187°F59°F1%0%13 h 10 min
Normal high
88°FAugust average
Normal low
59°FAugust average
Precipitation
0.02 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
12
Daylight
14 h 10 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
26
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023254; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Concord 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, 0.02 in falls on 0 days of a normal August.

In a normal August in Concord, 12 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023254.

What are the records for August in Concord?

The warmest August temperature on this station's record (since 1999) is 107°F, on August 27, 2017; the coldest is 51°F, on August 20, 2002. The wettest August brought 0.19 in (2003).

The August mean against the 1991-2020 normal of 73.6°F: 2021 74.4°F (+0.8), 2022 75.4°F (+1.8), 2023 75.5°F (+1.9), 2024 74.5°F (+0.9), 2025 74.8°F (+1.2), 2026 74.1°F (+0.5). 6 of 6 ran warmer than normal.

Concord: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202174.4°F+0.8°F0.00 in
202275.4°F+1.8°F0.01 in
202375.5°F+1.9°F0.00 in
202474.5°F+0.9°F0.00 in
202574.8°F+1.2°F0.00 in
202674.1°F+0.5°F0.00 in

Source: records: ACIS, station USW00023254; recent months: ACIS, station USW00023254. Records and recent months use complete months only.

How does August in Concord 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; Concord's is 88°F.

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

Other months and places