Weather in Napa: August
Average day temperature: | 89.0°F | |
Average night temperature: | 60.6°F | |
Number of sunny days: | 30 days | |
Day length: | 13.0 - 14.1 hours | |
Number of rainy days: | 0 days | |
Precipitation totals: | 0.0 in. | |
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14 days
forecast
forecast
Napa |
weather in
September
September
Napa |
Air temperature in August, °F
Show year:
2023
2022
2021
The highest day temperature during August of 2023 was 98°F. At the same time the lowest night temperature was 51°F. Day and night temperature averages during August were 88.0°F and 59.9°F.
Sunny, partly cloudy and cloudy days
Almost all days of August in Napa are sunny. Cloudy days are rare.
Precipitation total in August, in.
Precipitation total value in Napa in August is 0.0 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 4.7 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 13.0.
Best time for vacation in Napa
Napa on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Napa
Local time: 23:43
May 16, thursday
0000
54°F
E
6 mph
6 mph
0300
52°F
NE
6 mph
6 mph
0600
52°F
E
4 mph
4 mph
0900
63°F
NE
5 mph
5 mph
1200
70°F
NE
7 mph
7 mph
1500
72°F
NE
9 mph
9 mph
1800
66°F
NE
9 mph
9 mph
2100
55°F
NE
7 mph
7 mph