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

Oroville in August has a normal high of 94°F and a normal low of 64°F, a daily mean of 79°F, falling from 96°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 1 days in a normal August, 0.04 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 35°C and low of 18°C, 1 mm of precipitation in August.

  • NOAA stationOroville Municipal Airport
  • Station IDUSW00093210
  • Location39.49°N 121.62°W
  • Elevation190 ft (58 m)
  • Population19,712
  1. Jan 55° 40°
  2. Feb 61° 42°
  3. Mar 66° 45°
  4. Apr 72° 49°
  5. May 81° 55°
  6. Jun 90° 61°
  7. Jul 96° 65°
  8. Aug 94° 64°
  9. Sep 89° 59°
  10. Oct 78° 52°
  11. Nov 64° 44°
  12. Dec 55° 40°

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

How warm is Oroville in August?

The normal high is 94°F and the normal low 64°F, for a daily mean of 78.8°F. August is 1.7°F cooler than July and 4.8°F warmer than September. August is the 2nd warmest month of the year in Oroville and the 11th wettest. Across the month the normal high falls 4°F, from 96°F on August 1 to 92°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 77°F and 80°F.

Oroville 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 196°F65°F1%0%
August 895°F64°F1%1%
August 1594°F64°F1%1%
August 2293°F63°F1%1%
August 3192°F62°F2%1%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Oroville: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 196°F65°F1%0%14 h 20 min
August 296°F65°F1%1%14 h 10 min
August 396°F65°F1%1%14 h 10 min
August 496°F65°F1%1%14 h 10 min
August 595°F65°F1%1%14 h 10 min
August 695°F65°F1%1%14 h 10 min
August 795°F64°F1%1%14 h
August 895°F64°F1%1%14 h
August 995°F64°F1%1%14 h
August 1095°F64°F1%1%14 h
August 1195°F64°F1%1%13 h 50 min
August 1295°F64°F1%1%13 h 50 min
August 1395°F64°F1%1%13 h 50 min
August 1494°F64°F1%1%13 h 50 min
August 1594°F64°F1%1%13 h 50 min
August 1694°F64°F1%1%13 h 40 min
August 1794°F63°F1%1%13 h 40 min
August 1894°F63°F1%1%13 h 40 min
August 1994°F63°F1%1%13 h 40 min
August 2094°F63°F1%1%13 h 30 min
August 2194°F63°F1%1%13 h 30 min
August 2293°F63°F1%1%13 h 30 min
August 2393°F63°F1%1%13 h 30 min
August 2493°F63°F1%1%13 h 30 min
August 2593°F63°F1%1%13 h 20 min
August 2693°F63°F2%1%13 h 20 min
August 2793°F62°F2%1%13 h 20 min
August 2893°F62°F2%1%13 h 20 min
August 2992°F62°F2%1%13 h 10 min
August 3092°F62°F2%1%13 h 10 min
August 3192°F62°F2%1%13 h 10 min
Normal high
94°FAugust average
Normal low
64°FAugust average
Precipitation
0.04 inmonth total
Days with precipitation
10.01 inch or more
Days at 90°F or more
25
Daylight
14 h 20 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
97%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093210; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Oroville in August?

On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 30 (2%). In all, 0.04 in falls on 1 days of a normal August.

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

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093210.

What are the records for August in Oroville?

The warmest August temperature on this station's record (since 1998) is 109°F, on August 28, 2017; the coldest is 53°F, on August 21, 2001. The wettest August brought 0.72 in (2003).

The August mean against the 1991-2020 normal of 78.8°F: 2021 80.9°F (+2.1), 2022 83.1°F (+4.3), 2023 81.7°F (+2.9), 2024 80.2°F (+1.4), 2025 80.6°F (+1.8), 2026 80.6°F (+1.8). 6 of 6 ran warmer than normal.

Oroville: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202180.9°F+2.1°F0.00 in
202283.1°F+4.3°F0.00 in
202381.7°F+2.9°F0.15 in
202480.2°F+1.4°F0.30 in
202580.6°F+1.8°F0.04 in
202680.6°F+1.8°F0.00 in

Source: records: ACIS, station USW00093210; recent months: ACIS, station USW00093210. Records and recent months use complete months only.

How does August in Oroville 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; Oroville's is 94°F.

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

Other months and places