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

Fresno in August has a normal high of 97°F and a normal low of 68°F, a daily mean of 82°F, falling from 98°F on the 1st to 95°F by the 31st. Measurable precipitation falls on 0 days in a normal August, 0.00 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 36°C and low of 20°C, 0 mm of precipitation in August.

  • NOAA stationFresno Yosemite Int'l
  • Station IDUSW00093193
  • Location36.78°N 119.72°W
  • Elevation333 ft (102 m)
  • From the center4 miles
  • Population550,105
  1. Jan 55° 41°
  2. Feb 61° 43°
  3. Mar 68° 47°
  4. Apr 74° 51°
  5. May 83° 58°
  6. Jun 91° 64°
  7. Jul 98° 69°
  8. Aug 97° 68°
  9. Sep 91° 63°
  10. Oct 79° 55°
  11. Nov 65° 45°
  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 Fresno in August?

The normal high is 97°F and the normal low 68°F, for a daily mean of 82.2°F. August is 1.3°F cooler than July and 5.1°F warmer than September. August is the 2nd warmest month of the year in Fresno and the 12th wettest. Across the month the normal high falls 3°F, from 98°F on August 1 to 95°F on August 31. From one year to the next August's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 80°F and 84°F.

Fresno 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 198°F69°F0%0%
August 897°F69°F0%0%
August 1597°F68°F0%0%
August 2296°F67°F1%0%
August 3195°F66°F1%0%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Fresno: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 198°F69°F0%0%14 h
August 298°F69°F0%0%14 h
August 398°F69°F0%0%14 h
August 498°F69°F0%0%14 h
August 598°F69°F0%0%14 h
August 698°F69°F0%0%13 h 50 min
August 798°F69°F0%0%13 h 50 min
August 897°F69°F0%0%13 h 50 min
August 997°F69°F0%0%13 h 50 min
August 1097°F69°F0%0%13 h 50 min
August 1197°F68°F0%0%13 h 40 min
August 1297°F68°F0%0%13 h 40 min
August 1397°F68°F0%0%13 h 40 min
August 1497°F68°F0%0%13 h 40 min
August 1597°F68°F0%0%13 h 40 min
August 1697°F68°F0%0%13 h 30 min
August 1797°F68°F0%0%13 h 30 min
August 1896°F68°F0%0%13 h 30 min
August 1996°F68°F0%0%13 h 30 min
August 2096°F68°F0%0%13 h 30 min
August 2196°F67°F1%0%13 h 20 min
August 2296°F67°F1%0%13 h 20 min
August 2396°F67°F1%0%13 h 20 min
August 2496°F67°F1%0%13 h 20 min
August 2596°F67°F1%0%13 h 20 min
August 2695°F67°F1%0%13 h 10 min
August 2795°F67°F1%0%13 h 10 min
August 2895°F67°F1%0%13 h 10 min
August 2995°F67°F1%0%13 h 10 min
August 3095°F66°F1%0%13 h
August 3195°F66°F1%0%13 h
Normal high
97°FAugust average
Normal low
68°FAugust average
Precipitation
0.00 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
29
Daylight
14 h to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
98%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093193; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Fresno in August?

On a given August day the chance of 0.01 inch or more is 0% on average, highest around August 30 (1%). In all, 0.00 in falls on 0 days of a normal August.

In a normal August in Fresno, 29 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093193.

How humid and windy is Fresno in August?

At 3 p.m. the normal temperature is 95°F with 21% relative humidity and a dew point of 49°F; at 6 a.m. it is 67°F with 62% humidity. The wind averages 6.5 mph, most often from the west-northwest 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.67°F53°F62%3.4 mph76%
9 a.m.79°F53°F41%5.6 mph84%
noon90°F51°F27%5.3 mph81%
3 p.m.95°F49°F21%7.1 mph77%
6 p.m.92°F49°F23%9.6 mph78%
9 p.m.82°F53°F36%9.1 mph89%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093193. 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 Fresno?

The warmest August temperature on Fresno's official record (since 1887) is 113°F, on August 11, 1898; the coldest is 49°F, on August 30, 1966. The wettest August brought 0.25 in (1964).

The August mean against the 1991-2020 normal of 82.2°F: 2021 85.2°F (+3.0), 2022 86.7°F (+4.5), 2023 83.8°F (+1.6), 2024 83.8°F (+1.6), 2025 84.3°F (+2.1), 2026 86.0°F (+3.8). 6 of 6 ran warmer than normal.

Fresno: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202185.2°F+3.0°F0.00 in
202286.7°F+4.5°F0.05 in
202383.8°F+1.6°F0.19 in
202483.8°F+1.6°F0.00 in
202584.3°F+2.1°F0.12 in
202686.0°F+3.8°F0.00 in

Source: records: ACIS, NWS threaded record FATthr; recent months: ACIS, station USW00093193. Records and recent months use complete months only.

How does August in Fresno 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; Fresno's is 97°F.

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

Other months and places