Climateby Month

Sacramento, CA weather in August

NOAA 1991-2020 normals and daily records · Sacramento all year

In August, Sacramento sees highs around 94°F and lows around 61°F: hot and dry. Rain is rare. It is one of the warmest months in Sacramento. Plan outdoor time for mornings and evenings.

Normal high
94°F
Normal low
61°F
Wet days
0
0.02 in total
Muggy days
0
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high95°F92°F
Normal low62°F60°F
Chance of a wet day1%1%
Sunrise / sunset6:07 am / 8:16 pm6:34 am / 7:38 pm
Daylight14.2 h13.1 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical August day

  1. 6 am60°Fdew point 54°F
  2. 9 am71°Fdew point 55°F
  3. Noon84°Fdew point 55°F
  4. 3 pm91°Fdew point 52°F
  5. 6 pm85°Fdew point 53°F
  6. 9 pm70°Fdew point 54°F

NOAA hourly normals (local standard time) from Sacramento Executive Airport (5 mi away); average wind 7 mph; clear or few clouds in 96% of daytime hours, mostly cloudy or overcast in 3%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
  • Hot dayshigh 90°F or more24 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow0 of 31
  • Notable rainat least 0.10 in0 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 0.02 in; a dry August brings about 0.0 in and a wet one about 0.0 in (25th and 75th percentiles). Days with half an inch or more are rare.

How August varies from year to year

  • Warmest August, 1991-20202020: average high 98°F
  • Coolest August2010: average high 89°F
  • Wettest August2003: 0.3 in
  • Driest August1992: no measurable precipitation
  • Highest reading112°F (August 16, 2020)
  • Lowest reading53°F (August 24, 2002)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high94°F94°F89°F
Normal low61°F61°F59°F
Wet days001
Comfortable days114
Daylight14.6 h13.6 h12.4 h

Highs change by 0°F from July and -5°F into September.

Nearby alternatives in August

How Sacramento ranks in August

  • Normal high72nd warmest of 378 cities; 20th of 60 in California
  • Wet days22nd driest of 378
  • Comfortable days195th most of 341

What to pack for Sacramento in August

  • Light, breathable clothing – highs near 94°F
  • Layers – afternoons near 94°F but nights near 61°F

Heating and cooling

August has 0 heating degree days and 380 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.

Questions

How hot is Sacramento in August?

The normal high is 94°F and the normal low is 61°F. From 1991 to 2020 the hottest August reading was 112°F (August 16, 2020).

Does it rain a lot in Sacramento in August?

About 0 days in August have at least 0.01 in of precipitation, and the normal total is 0.02 in. The wettest August in 1991-2020 was in 2003 (0.3 in); the driest was in 1992, with no measurable precipitation.

Is August a good time to visit Sacramento?

August ranks 12th of 12 months on our comfort score for Sacramento (43 out of 100). It has about 1 comfortable day and about 24 days at 90°F or hotter. The best month is April.

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Sacramento 5 Ese (USW00023271), 4.6 mi ESE of the city center, 38 ft . NOAA normals and daily records, 1991-2020.
  • Snow depth: Nicolaus #2 (USC00046194), 24 mi N of the city center, 43 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Sacramento Executive Airport (USW00023232), 5.2 mi S of the city center, 15 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Sacramento Executive Airport (724830-23232), 5.2 mi S of the city center, 19 ft . Hourly observations, 1991-2020.