Weather in Napa in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 81.4°F | 83.9°F | 85.2°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 56.1°F | 57.9°F | 59.0°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 25 days | 25 days | 25 days | |||
| Day length: | ||||||
| Day length: | 14.7 - 14.8 h. | 14.1 - 14.8 h. | 13.0 - 14.1 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 0 days | 0 days | 0 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 0.0 in. | 0.0 in. | 0.0 in. | |||
Day & Night air temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Napa
Napa on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Napa
Local time: 00:22
October 05, monday
0300
66°F
E
1 mph
1 mph
0600
66°F
SE
2 mph
2 mph
0900
79°F
NE
1 mph
1 mph
1200
93°F
NE
3 mph
3 mph
1500
97°F
NE
6 mph
6 mph
1800
88°F
NE
4 mph
4 mph
2100
70°F
E
3 mph
3 mph
October 06, tuesday
0000
68°F
E
2 mph
2 mph
