Napa (CA) Temperature by Month
This graph shows the average minimum and maximum temperatures throughout the year in Napa (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.
- Hot season / summer is in June, July, August and September.
- On average, the warmest month is September with 30°C.
- On average, the coolest month is December with 14°C.
- The average annual maximum temperature is 23°C.
- The average annual minimum temperature is 8°C.
Current temperature in Napa (CA)
Sat Nov 23
15°C | 7°C
SW 
18 km/h
18 km/h2.9 mm
partly cloudy and rain
Sun Nov 24
15°C | 6°C
E 11 km/h
11 km/h14 mm
broken clouds and rain
Mon Nov 25
15°C | 9°C
E 7 km/h
7 km/h5.5 mm
overcast and rain
