San Marcos (CA) Temperature by Month
This graph shows the average minimum and maximum temperatures throughout the year in San Marcos (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(s) are July, August and September.
- On average, the warmest month is August with 30°C.
- On average, the coolest month is December with 19°C.
- The average annual maximum temperature is 24°C.
- The average annual minimum temperature is 12°C.
Current temperature in San Marcos (CA)
Sat Nov 23
17°C | 5°C
W 
11 km/h
11 km/h
partly cloudy and no rain
Sun Nov 24
17°C | 12°C
W 11 km/h
11 km/h
partly cloudy and no rain
Mon Nov 25
20°C | 10°C
W 11 km/h
11 km/h
almost clear and no rain
