Weather in Santa Rosa in August
In an average August, Santa Rosa sees a daily high around 84°F and a low around 57°F, based on 1980–2026 of local climate records.
| Average high | 84°F |
|---|---|
| Typical high range | 77°F to 92°F |
| Average low | 57°F |
| Typical low range | 53°F to 62°F |
| Average daily precipitation | 0.00 in |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
103°F
1998-08-04
Lowest
63°F
2000-08-30
Low
Highest
75°F
2020-08-16
Lowest
48°F
2002-08-04
Feels-like
Highest
122°F
1990-08-09
Lowest
44°F
2002-08-04
Humidity
Highest
15.9 g/m³
2019-08-22
Lowest
6.3 g/m³
2020-08-19
Wind
Highest
13 mph
2002-08-06
Lowest
5 mph
2009-08-27
Gust
Highest
34 mph
1995-08-16
Lowest
15 mph
2000-08-30
Precip
Wettest
1.10 in
1983
Driest
0.00 in
1994
See Santa Rosa's live weather grade →
Visiting Santa Rosa in August? See how its comfort stacks up against where you live.
Compare Santa Rosa with your city →