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

Chino in August has a normal high of 96°F and a normal low of 63°F, a daily mean of 80°F, holding near 96°F all month. Measurable precipitation falls on 0 days in a normal August, 0.01 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 36°C and low of 17°C, 0 mm of precipitation in August.

  • NOAA stationChino Airport
  • Station IDUSW00003179
  • Location33.98°N 117.64°W
  • Elevation650 ft (198 m)
  • Population94,010
  1. Jan 70° 42°
  2. Feb 70° 43°
  3. Mar 73° 46°
  4. Apr 77° 49°
  5. May 81° 54°
  6. Jun 88° 59°
  7. Jul 94° 63°
  8. Aug 96° 63°
  9. Sep 93° 60°
  10. Oct 85° 53°
  11. Nov 76° 45°
  12. Dec 69° 40°

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

How warm is Chino in August?

The normal high is 96°F and the normal low 63°F, for a daily mean of 79.8°F. August is 1.5°F warmer than July and 3.3°F warmer than September. August is the warmest month of the year in Chino and the 12th wettest. Across the month the normal high rises 2°F, from 95°F on August 1 to 97°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 78°F and 82°F.

Chino 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 195°F64°F1%–
August 896°F64°F1%–
August 1597°F63°F1%–
August 2297°F63°F1%–
August 3197°F63°F1%–
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 21, coldest night August 31)
Chino: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 195°F64°F1%–13 h 50 min
August 295°F64°F1%–13 h 50 min
August 395°F64°F1%–13 h 50 min
August 495°F64°F1%–13 h 50 min
August 596°F64°F1%–13 h 40 min
August 696°F64°F1%–13 h 40 min
August 796°F64°F1%–13 h 40 min
August 896°F64°F1%–13 h 40 min
August 996°F64°F1%–13 h 40 min
August 1096°F63°F1%–13 h 40 min
August 1196°F63°F1%–13 h 30 min
August 1296°F63°F1%–13 h 30 min
August 1396°F63°F1%–13 h 30 min
August 1496°F63°F1%–13 h 30 min
August 1597°F63°F1%–13 h 30 min
August 1697°F63°F1%–13 h 30 min
August 1797°F63°F1%–13 h 20 min
August 1897°F63°F1%–13 h 20 min
August 1997°F63°F1%–13 h 20 min
August 2097°F63°F1%–13 h 20 min
August 2197°F63°F1%–13 h 20 min
August 2297°F63°F1%–13 h 10 min
August 2397°F63°F1%–13 h 10 min
August 2497°F63°F1%–13 h 10 min
August 2597°F63°F1%–13 h 10 min
August 2697°F63°F1%–13 h 10 min
August 2797°F63°F1%–13 h
August 2897°F63°F1%–13 h
August 2997°F63°F1%–13 h
August 3097°F63°F1%–13 h
August 3197°F63°F1%–13 h
Normal high
96°FAugust average
Normal low
63°FAugust average
Precipitation
0.01 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
25
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
92%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00003179; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Chino 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, 0.01 in falls on 0 days of a normal August.

In a normal August in Chino, 25 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003179.

What are the records for August in Chino?

The warmest August temperature on this station's record (since 1998) is 115°F, on August 31, 2017; the coldest is 51°F, on August 8, 1999. The wettest August brought 2.71 in (2023).

The August mean against the 1991-2020 normal of 79.8°F: 2021 80.0°F (+0.2), 2022 82.8°F (+3.0), 2023 79.5°F (−0.3), 2024 78.6°F (−1.2), 2025 79.0°F (−0.8), 2026 82.5°F (+2.8). 3 of 6 ran warmer than normal.

Chino: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202180.0°F+0.2°F0.00 in
202282.8°F+3.0°F0.00 in
202379.5°F−0.3°F2.71 in
202478.6°F−1.2°F0.00 in
202579.0°F−0.8°F0.00 in
202682.5°F+2.8°F0.00 in

Source: records: ACIS, station USW00003179; recent months: ACIS, station USW00003179. Records and recent months use complete months only.

How does August in Chino 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; Chino's is 96°F.

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

Other months and places