Morro Bay weather in August: Morro Bay, California: normal highs, lows, rain and records for August
Morro Bay in August has a normal high of 70°F and a normal low of 57°F, a daily mean of 63°F, rising from 68°F on the 1st to 71°F by the 31st. Measurable precipitation falls on 0 days in a normal August, 0.02 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 14°C, 1 mm of precipitation in August.
- NOAA stationMorro Bay Fire Dept
- Station IDUSC00045866
- Location35.37°N 120.84°W
- Elevation118 ft (36 m)
- Population10,591
- Jan 65° 46°
- Feb 65° 48°
- Mar 66° 49°
- Apr 67° 49°
- May 67° 52°
- Jun 66° 54°
- Jul 67° 57°
- Aug 70° 57°
- Sep 72° 56°
- Oct 73° 54°
- Nov 69° 50°
- Dec 65° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Morro Bay in August?
The normal high is 70°F and the normal low 57°F, for a daily mean of 63.2°F. August is 1.4°F warmer than July and 0.5°F cooler than September. August is the 3rd warmest month of the year in Morro Bay and the 12th wettest. Across the month the normal high rises 3°F, from 68°F on August 1 to 71°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 62°F and 65°F.
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%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 68°F | 57°F | 1% | 0% |
| August 8 | 69°F | 57°F | 1% | 0% |
| August 15 | 70°F | 57°F | 1% | 0% |
| August 22 | 70°F | 57°F | 1% | 0% |
| August 31 | 71°F | 56°F | 1% | 1% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 30, coldest night August 29)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 68°F | 57°F | 1% | 0% | 14 h |
| August 2 | 69°F | 57°F | 1% | 0% | 14 h |
| August 3 | 69°F | 57°F | 1% | 0% | 13 h 50 min |
| August 4 | 69°F | 57°F | 1% | 0% | 13 h 50 min |
| August 5 | 69°F | 57°F | 1% | 0% | 13 h 50 min |
| August 6 | 69°F | 57°F | 1% | 0% | 13 h 50 min |
| August 7 | 69°F | 57°F | 1% | 0% | 13 h 50 min |
| August 8 | 69°F | 57°F | 1% | 0% | 13 h 40 min |
| August 9 | 69°F | 57°F | 1% | 0% | 13 h 40 min |
| August 10 | 69°F | 57°F | 1% | 0% | 13 h 40 min |
| August 11 | 69°F | 57°F | 1% | 0% | 13 h 40 min |
| August 12 | 69°F | 57°F | 1% | 0% | 13 h 40 min |
| August 13 | 70°F | 57°F | 1% | 0% | 13 h 40 min |
| August 14 | 70°F | 57°F | 1% | 0% | 13 h 30 min |
| August 15 | 70°F | 57°F | 1% | 0% | 13 h 30 min |
| August 16 | 70°F | 57°F | 1% | 0% | 13 h 30 min |
| August 17 | 70°F | 57°F | 1% | 0% | 13 h 30 min |
| August 18 | 70°F | 57°F | 1% | 0% | 13 h 30 min |
| August 19 | 70°F | 57°F | 1% | 0% | 13 h 20 min |
| August 20 | 70°F | 57°F | 1% | 0% | 13 h 20 min |
| August 21 | 70°F | 57°F | 1% | 0% | 13 h 20 min |
| August 22 | 70°F | 57°F | 1% | 0% | 13 h 20 min |
| August 23 | 70°F | 57°F | 1% | 0% | 13 h 20 min |
| August 24 | 70°F | 57°F | 1% | 0% | 13 h 10 min |
| August 25 | 70°F | 56°F | 1% | 0% | 13 h 10 min |
| August 26 | 71°F | 56°F | 1% | 0% | 13 h 10 min |
| August 27 | 71°F | 56°F | 1% | 0% | 13 h 10 min |
| August 28 | 71°F | 56°F | 1% | 0% | 13 h 10 min |
| August 29 | 71°F | 56°F | 1% | 0% | 13 h |
| August 30 | 71°F | 56°F | 1% | 1% | 13 h |
| August 31 | 71°F | 56°F | 1% | 1% | 13 h |
- Normal high
- 70°FAugust average
- Normal low
- 57°FAugust average
- Precipitation
- 0.02 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Daylight
- 14 h to 13 hAugust 1 to August 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 1
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00045866; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Morro Bay in August?
On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 29 (1%). In all, 0.02 in falls on 0 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00045866.
What are the records for August in Morro Bay?
The warmest August temperature on this station's record (since 1959) is 94°F, on August 28, 1962; the coldest is 40°F, on August 24, 1992. The wettest August brought 1.60 in (1976).
Source: records: ACIS, station USC00045866. Records and recent months use complete months only.
How does August in Morro Bay 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; Morro Bay's is 70°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.