Santa Maria weather in August: Santa Maria, California: normal highs, lows, rain and records for August
Santa Maria in August has a normal high of 74°F and a normal low of 55°F, a daily mean of 65°F, holding near 74°F all month. Measurable precipitation falls on 0 days in a normal August, 0.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 13°C, 0 mm of precipitation in August.
- NOAA stationSanta Maria Public Airport
- Station IDUSW00023273
- Location34.90°N 120.45°W
- Elevation242 ft (74 m)
- Population111,346
- Jan 65° 41°
- Feb 65° 43°
- Mar 66° 44°
- Apr 68° 45°
- May 69° 49°
- Jun 71° 52°
- Jul 73° 55°
- Aug 74° 55°
- Sep 75° 54°
- Oct 75° 50°
- Nov 70° 44°
- Dec 64° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Santa Maria in August?
The normal high is 74°F and the normal low 55°F, for a daily mean of 64.5°F. August is 0.4°F warmer than July and 0.2°F warmer than September. August is the warmest month of the year in Santa Maria and the 12th wettest. Across the month the normal high rises 2°F, from 73°F on August 1 to 75°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 63°F and 66°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 2%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 73°F | 56°F | 1% | – |
| August 8 | 74°F | 55°F | 1% | – |
| August 15 | 74°F | 55°F | 1% | – |
| August 22 | 74°F | 55°F | 2% | – |
| August 31 | 75°F | 55°F | 2% | – |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 31, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 73°F | 56°F | 1% | – | 14 h |
| August 2 | 73°F | 56°F | 1% | – | 13 h 50 min |
| August 3 | 73°F | 56°F | 1% | – | 13 h 50 min |
| August 4 | 73°F | 56°F | 1% | – | 13 h 50 min |
| August 5 | 73°F | 56°F | 1% | – | 13 h 50 min |
| August 6 | 74°F | 55°F | 1% | – | 13 h 50 min |
| August 7 | 74°F | 55°F | 1% | – | 13 h 50 min |
| August 8 | 74°F | 55°F | 1% | – | 13 h 40 min |
| August 9 | 74°F | 55°F | 1% | – | 13 h 40 min |
| August 10 | 74°F | 55°F | 1% | – | 13 h 40 min |
| August 11 | 74°F | 55°F | 1% | – | 13 h 40 min |
| August 12 | 74°F | 55°F | 1% | – | 13 h 40 min |
| August 13 | 74°F | 55°F | 1% | – | 13 h 30 min |
| August 14 | 74°F | 55°F | 1% | – | 13 h 30 min |
| August 15 | 74°F | 55°F | 1% | – | 13 h 30 min |
| August 16 | 74°F | 55°F | 1% | – | 13 h 30 min |
| August 17 | 74°F | 55°F | 1% | – | 13 h 30 min |
| August 18 | 74°F | 55°F | 1% | – | 13 h 20 min |
| August 19 | 74°F | 55°F | 1% | – | 13 h 20 min |
| August 20 | 74°F | 55°F | 1% | – | 13 h 20 min |
| August 21 | 74°F | 55°F | 1% | – | 13 h 20 min |
| August 22 | 74°F | 55°F | 2% | – | 13 h 20 min |
| August 23 | 74°F | 55°F | 2% | – | 13 h 10 min |
| August 24 | 74°F | 55°F | 2% | – | 13 h 10 min |
| August 25 | 74°F | 55°F | 2% | – | 13 h 10 min |
| August 26 | 74°F | 55°F | 2% | – | 13 h 10 min |
| August 27 | 74°F | 55°F | 2% | – | 13 h 10 min |
| August 28 | 74°F | 55°F | 2% | – | 13 h |
| August 29 | 74°F | 55°F | 2% | – | 13 h |
| August 30 | 74°F | 55°F | 2% | – | 13 h |
| August 31 | 75°F | 55°F | 2% | – | 13 h |
- Normal high
- 74°FAugust average
- Normal low
- 55°FAugust average
- Precipitation
- 0.01 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
- 27
- Days at 80°F or more
- 3
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023273; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Santa Maria in August?
On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 31 (2%). In all, 0.01 in falls on 0 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023273.
How humid and windy is Santa Maria in August?
At 3 p.m. the normal temperature is 71°F with 58% relative humidity and a dew point of 56°F; at 6 a.m. it is 56°F with 92% humidity. The wind averages 5.7 mph, most often from the northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 56°F | 53°F | 92% | 2.2 mph | – |
| 9 a.m. | 64°F | 55°F | 71% | 3.7 mph | 42% |
| noon | 73°F | 56°F | 56% | 10.6 mph | 83% |
| 3 p.m. | 71°F | 56°F | 58% | 12.9 mph | 87% |
| 6 p.m. | 63°F | 55°F | 75% | 9.4 mph | 73% |
| 9 p.m. | 59°F | 55°F | 87% | 3.1 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023273. 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 Santa Maria?
The warmest August temperature on Santa Maria's official record (since 1906) is 104°F, on August 29, 2009; the coldest is 40°F, on August 24, 1925. The wettest August brought 0.86 in (1976).
The August mean against the 1991-2020 normal of 64.5°F: 2021 64.4°F (−0.1), 2022 64.2°F (−0.3), 2023 65.3°F (+0.8), 2024 63.9°F (−0.6), 2025 64.1°F (−0.4), 2026 66.5°F (+2.0). 2 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.4°F | −0.1°F | 0.00 in |
| 2022 | 64.2°F | −0.3°F | 0.00 in |
| 2023 | 65.3°F | +0.8°F | 0.22 in |
| 2024 | 63.9°F | −0.6°F | 0.00 in |
| 2025 | 64.1°F | −0.4°F | 0.00 in |
| 2026 | 66.5°F | +2.0°F | 0.02 in |
Source: records: ACIS, NWS threaded record SMXthr; recent months: ACIS, station USW00023273. Records and recent months use complete months only.
How does August in Santa Maria 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; Santa Maria's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Santa Maria in July73°F by day, 55°F at night
- Santa Maria in September75°F by day, 54°F at night
- Santa Maria through the yearEvery month, frost dates, records and recent years
- California in AugustThe statewide normal and the warmest and coolest places
- Needles: California's warmest Augustnormal high 109°F