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

Sacramento in August has a normal high of 92°F and a normal low of 59°F, a daily mean of 75°F, falling from 93°F on the 1st to 91°F by the 31st. Measurable precipitation falls on 0 days in a normal August, 0.04 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 33°C and low of 15°C, 1 mm of precipitation in August.

  • NOAA stationSacramento Airport Asos
  • Station IDUSW00023232
  • Location38.51°N 121.50°W
  • Elevation15 ft (5 m)
  • From the center4 miles
  • Population535,798
  1. Jan 56° 39°
  2. Feb 61° 42°
  3. Mar 66° 45°
  4. Apr 72° 47°
  5. May 80° 52°
  6. Jun 88° 57°
  7. Jul 93° 59°
  8. Aug 92° 59°
  9. Sep 89° 57°
  10. Oct 79° 50°
  11. Nov 65° 43°
  12. Dec 56° 39°

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

How warm is Sacramento in August?

The normal high is 92°F and the normal low 59°F, for a daily mean of 75.3°F. August is 0.6°F cooler than July and 2.8°F warmer than September. August is the 2nd warmest month of the year in Sacramento and the 11th wettest. Across the month the normal high falls 2°F, from 93°F on August 1 to 91°F on August 31. From one year to the next August's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 74°F and 77°F.

Sacramento 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 193°F59°F1%0%
August 892°F59°F1%0%
August 1592°F59°F1%0%
August 2292°F59°F1%1%
August 3191°F58°F1%1%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 30)
Sacramento: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 193°F59°F1%0%14 h 10 min
August 293°F59°F1%0%14 h 10 min
August 393°F59°F1%0%14 h 10 min
August 493°F59°F1%0%14 h 10 min
August 593°F59°F1%0%14 h
August 692°F59°F1%0%14 h
August 792°F59°F1%0%14 h
August 892°F59°F1%0%14 h
August 992°F59°F1%0%14 h
August 1092°F59°F1%0%13 h 50 min
August 1192°F59°F1%0%13 h 50 min
August 1292°F59°F1%0%13 h 50 min
August 1392°F59°F1%0%13 h 50 min
August 1492°F59°F1%0%13 h 40 min
August 1592°F59°F1%0%13 h 40 min
August 1692°F59°F1%1%13 h 40 min
August 1792°F59°F1%1%13 h 40 min
August 1892°F59°F1%1%13 h 40 min
August 1992°F59°F1%1%13 h 30 min
August 2092°F59°F1%1%13 h 30 min
August 2192°F59°F1%1%13 h 30 min
August 2292°F59°F1%1%13 h 30 min
August 2392°F59°F1%1%13 h 20 min
August 2492°F58°F1%1%13 h 20 min
August 2591°F58°F1%1%13 h 20 min
August 2691°F58°F1%1%13 h 20 min
August 2791°F58°F1%1%13 h 20 min
August 2891°F58°F1%1%13 h 10 min
August 2991°F58°F1%1%13 h 10 min
August 3091°F58°F1%1%13 h 10 min
August 3191°F58°F1%1%13 h 10 min
Normal high
92°FAugust average
Normal low
59°FAugust average
Precipitation
0.04 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
20
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
30
Sunshine
98%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023232; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Sacramento in August?

On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 30 (1%). In all, 0.04 in falls on 0 days of a normal August.

In a normal August in Sacramento, 20 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023232.

How humid and windy is Sacramento in August?

At 3 p.m. the normal temperature is 90°F with 25% relative humidity and a dew point of 49°F; at 6 a.m. it is 59°F with 80% humidity. The wind averages 6.1 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.59°F53°F80%3.9 mph95%
9 a.m.72°F54°F54%5.5 mph95%
noon84°F53°F34%6.8 mph95%
3 p.m.90°F49°F25%8.0 mph95%
6 p.m.84°F51°F32%8.2 mph95%
9 p.m.70°F53°F55%6.5 mph96%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00023232. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Sacramento?

The warmest August temperature on Sacramento's official record (since 1877) is 112°F, on August 16, 2020; the coldest is 48°F, on August 30, 1887. The wettest August brought 0.65 in (1965).

The August mean against the 1991-2020 normal of 75.3°F: 2021 75.7°F (+0.4), 2022 78.2°F (+2.9), 2023 77.5°F (+2.2), 2024 75.8°F (+0.5), 2025 77.3°F (+2.0), 2026 76.4°F (+1.1). 6 of 6 ran warmer than normal.

Sacramento: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202175.7°F+0.4°F0.00 in
202278.2°F+2.9°F0.00 in
202377.5°F+2.2°F0.00 in
202475.8°F+0.5°F0.03 in
202577.3°F+2.0°F0.00 in
202676.4°F+1.1°F0.00 in

Source: records: ACIS, NWS threaded record SACthr; recent months: ACIS, station USW00023232. Records and recent months use complete months only.

How does August in Sacramento 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; Sacramento's is 92°F.

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

Other months and places