Santa Barbara weather in August: Santa Barbara, California: normal highs, lows, rain and records for August
Santa Barbara in August has a normal high of 75°F and a normal low of 58°F, a daily mean of 66°F, holding near 75°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 24°C and low of 14°C, 0 mm of precipitation in August.
- NOAA stationSanta Barbara Municipal Airport
- Station IDUSW00023190
- Location34.43°N 119.84°W
- Elevation9 ft (3 m)
- From the center8 miles
- Population87,291
- Jan 64° 41°
- Feb 64° 44°
- Mar 66° 46°
- Apr 68° 48°
- May 69° 51°
- Jun 70° 55°
- Jul 73° 58°
- Aug 75° 58°
- Sep 74° 56°
- Oct 73° 51°
- Nov 69° 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 Barbara in August?
The normal high is 75°F and the normal low 58°F, for a daily mean of 66.2°F. August is 0.5°F warmer than July and 1.2°F warmer than September. August is the warmest month of the year in Santa Barbara and the 12th wettest. Across the month the normal high rises 1°F, from 74°F on August 1 to 75°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 64°F and 68°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 3%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 74°F | 59°F | 1% | 0% |
| August 8 | 74°F | 58°F | 1% | 0% |
| August 15 | 75°F | 58°F | 1% | 0% |
| August 22 | 75°F | 58°F | 2% | 0% |
| August 31 | 75°F | 57°F | 3% | 0% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 18, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 74°F | 59°F | 1% | 0% | 13 h 50 min |
| August 2 | 74°F | 59°F | 1% | 0% | 13 h 50 min |
| August 3 | 74°F | 59°F | 1% | 0% | 13 h 50 min |
| August 4 | 74°F | 59°F | 1% | 0% | 13 h 50 min |
| August 5 | 74°F | 59°F | 1% | 0% | 13 h 50 min |
| August 6 | 74°F | 59°F | 1% | 0% | 13 h 40 min |
| August 7 | 74°F | 58°F | 1% | 0% | 13 h 40 min |
| August 8 | 74°F | 58°F | 1% | 0% | 13 h 40 min |
| August 9 | 74°F | 58°F | 1% | 0% | 13 h 40 min |
| August 10 | 74°F | 58°F | 1% | 0% | 13 h 40 min |
| August 11 | 75°F | 58°F | 1% | 0% | 13 h 40 min |
| August 12 | 75°F | 58°F | 1% | 0% | 13 h 30 min |
| August 13 | 75°F | 58°F | 1% | 0% | 13 h 30 min |
| August 14 | 75°F | 58°F | 1% | 0% | 13 h 30 min |
| August 15 | 75°F | 58°F | 1% | 0% | 13 h 30 min |
| August 16 | 75°F | 58°F | 1% | 0% | 13 h 30 min |
| August 17 | 75°F | 58°F | 1% | 0% | 13 h 30 min |
| August 18 | 75°F | 58°F | 1% | 0% | 13 h 20 min |
| August 19 | 75°F | 58°F | 1% | 0% | 13 h 20 min |
| August 20 | 75°F | 58°F | 2% | 0% | 13 h 20 min |
| August 21 | 75°F | 58°F | 2% | 0% | 13 h 20 min |
| August 22 | 75°F | 58°F | 2% | 0% | 13 h 20 min |
| August 23 | 75°F | 58°F | 2% | 0% | 13 h 10 min |
| August 24 | 75°F | 58°F | 2% | 0% | 13 h 10 min |
| August 25 | 75°F | 58°F | 2% | 0% | 13 h 10 min |
| August 26 | 75°F | 58°F | 2% | 0% | 13 h 10 min |
| August 27 | 75°F | 58°F | 2% | 0% | 13 h 10 min |
| August 28 | 75°F | 57°F | 2% | 0% | 13 h |
| August 29 | 75°F | 57°F | 3% | 0% | 13 h |
| August 30 | 75°F | 57°F | 3% | 0% | 13 h |
| August 31 | 75°F | 57°F | 3% | 0% | 13 h |
- Normal high
- 75°FAugust average
- Normal low
- 58°FAugust average
- Precipitation
- 0.01 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Daylight
- 13 h 50 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 28
- Days at 80°F or more
- 5
- Sunshine
- 93%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023190; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Santa Barbara in August?
On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 31 (3%). In all, 0.01 in falls on 0 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023190.
How humid and windy is Santa Barbara in August?
At 3 p.m. the normal temperature is 74°F with 61% relative humidity and a dew point of 59°F; at 6 a.m. it is 60°F with 90% humidity. The wind averages 5.1 mph, most often from the southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 60°F | 57°F | 90% | 1.9 mph | 56% |
| 9 a.m. | 68°F | 60°F | 75% | 5.7 mph | 58% |
| noon | 73°F | 60°F | 63% | 7.9 mph | 76% |
| 3 p.m. | 74°F | 59°F | 61% | 9.0 mph | 86% |
| 6 p.m. | 68°F | 59°F | 74% | 6.5 mph | 83% |
| 9 p.m. | 64°F | 59°F | 86% | 3.6 mph | 86% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023190. 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 Barbara?
The warmest August temperature on this station's record (since 1941) is 105°F, on August 22, 1972; the coldest is 43°F, on August 21, 1941. The wettest August brought 1.87 in (1983).
The August mean against the 1991-2020 normal of 66.2°F: 2021 66.3°F (+0.1), 2022 67.2°F (+1.0), 2023 69.4°F (+3.2), 2024 66.7°F (+0.5), 2025 66.3°F (+0.1), 2026 71.0°F (+4.8). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 66.3°F | +0.1°F | 0.00 in |
| 2022 | 67.2°F | +1.0°F | 0.00 in |
| 2023 | 69.4°F | +3.2°F | 0.30 in |
| 2024 | 66.7°F | +0.5°F | 0.00 in |
| 2025 | 66.3°F | +0.1°F | 0.00 in |
| 2026 | 71.0°F | +4.8°F | 0.01 in |
Source: records: ACIS, station USW00023190; recent months: ACIS, station USW00023190. Records and recent months use complete months only.
How does August in Santa Barbara 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 Barbara's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Santa Barbara in July73°F by day, 58°F at night
- Santa Barbara in September74°F by day, 56°F at night
- Santa Barbara 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