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

Watsonville in August has a normal high of 73°F and a normal low of 53°F, a daily mean of 63°F, rising from 72°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 2 days in a normal August, 0.03 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 23°C and low of 12°C, 1 mm of precipitation in August.

  • NOAA stationWatsonville Municipal Airport
  • Station IDUSW00023277
  • Location36.94°N 121.79°W
  • Elevation160 ft (49 m)
  • From the center1 miles
  • Population51,320
  1. Jan 61° 40°
  2. Feb 62° 42°
  3. Mar 64° 43°
  4. Apr 66° 45°
  5. May 69° 48°
  6. Jun 72° 50°
  7. Jul 72° 53°
  8. Aug 73° 53°
  9. Sep 75° 52°
  10. Oct 74° 48°
  11. Nov 67° 43°
  12. Dec 61° 39°

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

How warm is Watsonville in August?

The normal high is 73°F and the normal low 53°F, for a daily mean of 63.3°F. August is 0.8°F warmer than July and 0.3°F cooler than September. August is the 2nd warmest month of the year in Watsonville and the 11th wettest. Across the month the normal high rises 3°F, from 72°F on August 1 to 75°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 61°F and 65°F.

Watsonville 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 6%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 172°F53°F6%0%
August 873°F53°F6%0%
August 1573°F53°F6%0%
August 2274°F53°F6%0%
August 3175°F53°F6%0%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 31, coldest night August 30)
Watsonville: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 172°F53°F6%0%14 h
August 272°F53°F6%0%14 h
August 372°F53°F6%0%14 h
August 472°F53°F6%0%14 h
August 573°F53°F6%0%14 h
August 673°F53°F6%0%13 h 50 min
August 773°F53°F6%0%13 h 50 min
August 873°F53°F6%0%13 h 50 min
August 973°F53°F6%0%13 h 50 min
August 1073°F53°F6%0%13 h 50 min
August 1173°F53°F6%0%13 h 50 min
August 1273°F53°F6%0%13 h 40 min
August 1373°F53°F6%0%13 h 40 min
August 1473°F53°F6%0%13 h 40 min
August 1573°F53°F6%0%13 h 40 min
August 1673°F53°F6%0%13 h 40 min
August 1773°F53°F6%0%13 h 30 min
August 1874°F53°F6%0%13 h 30 min
August 1974°F53°F6%0%13 h 30 min
August 2074°F53°F6%0%13 h 30 min
August 2174°F53°F6%0%13 h 20 min
August 2274°F53°F6%0%13 h 20 min
August 2374°F53°F6%0%13 h 20 min
August 2474°F53°F6%0%13 h 20 min
August 2574°F53°F6%0%13 h 20 min
August 2674°F53°F6%0%13 h 10 min
August 2774°F53°F6%0%13 h 10 min
August 2875°F53°F6%0%13 h 10 min
August 2975°F53°F6%0%13 h 10 min
August 3075°F53°F6%0%13 h 10 min
August 3175°F53°F6%0%13 h
Normal high
73°FAugust average
Normal low
53°FAugust average
Precipitation
0.03 inmonth total
Days with precipitation
20.01 inch or more
Days at 90°F or more
1
Daylight
14 h to 13 hAugust 1 to August 31
Days at 70°F or more
20
Days at 80°F or more
4
Sunshine
90%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023277; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Watsonville in August?

On a given August day the chance of 0.01 inch or more is 6% on average, highest around August 1 (6%). In all, 0.03 in falls on 2 days of a normal August.

In a normal August in Watsonville, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023277.

What are the records for August in Watsonville?

The warmest August temperature on this station's record (since 1945) is 104°F, on August 28, 2009; the coldest is 46°F, on August 25, 1945. The wettest August brought 0.16 in (2011).

The August mean against the 1991-2020 normal of 63.3°F: 2021 64.2°F (+0.9), 2022 64.0°F (+0.7), 2023 64.8°F (+1.5), 2024 64.5°F (+1.2), 2025 64.7°F (+1.4), 2026 64.3°F (+1.0). 6 of 6 ran warmer than normal.

Watsonville: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202164.2°F+0.9°F0.04 in
202264.0°F+0.7°F0.07 in
202364.8°F+1.5°F0.01 in
202464.5°F+1.2°F0.00 in
202564.7°F+1.4°F0.00 in
202664.3°F+1.0°F0.02 in

Source: records: ACIS, station USW00023277; recent months: ACIS, station USW00023277. Records and recent months use complete months only.

How does August in Watsonville 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; Watsonville's is 73°F.

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

Other months and places