Santa Rosa (CA) Temperature by Month
This graph shows the average minimum and maximum temperatures throughout the year in Santa Rosa (California), the United States of America. The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.
Temperature patterns do vary with the seasons. In winter, the time of minimum and maximum temperatures can shift slightly compared to summer.
- On average, the warmest month is September with 28°C.
- On average, the coolest month is December with 14°C.
- The average annual maximum temperature is 22°C.
- The average annual minimum temperature is 8°C.
Current temperature in Santa Rosa (CA)
Thu Nov 21
15°C | 12°C
S 
25 km/h
25 km/h39 mm
broken clouds and rain
Fri Nov 22
15°C | 10°C
S 22 km/h
22 km/h38 mm
overcast and heavy rain
Sat Nov 23
15°C | 6°C
SW 11 km/h
11 km/h2.6 mm
partly cloudy and chance of slight rain
