World Resorts USA Napa Weather

Napa weather in August

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.

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

Sunniest months:
August 30 days
July 29 days
September 27 days
Warmest months:
August 89.0 °F
July 86.9 °F
September 86.4 °F
Coldest months:
December 54.3 °F
January 54.4 °F
February 57.9 °F
Rainiest months:
January 3 days
December 3 days
March 2 days
Windiest months:
June 5.9 mph
May 5.6 mph
July 5.4 mph

Napa on a weather map

Napa
+54°F
E 6 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+55°F
+73°F
+73°F
+73°F
+61°F
+82°F
+59°F
+77°F
+61°F
+55°F
+79°F
+79°F
+75°F
+52°F
24 Hours Forecast
Napa
Local time: 23:43
May 16, thursday
0000
54°F
E
6 mph
0300
52°F
NE
6 mph
0600
52°F
E
4 mph
0900
63°F
NE
5 mph
1200
70°F
NE
7 mph
1500
72°F
NE
9 mph
1800
66°F
NE
9 mph
2100
55°F
NE
7 mph
Units of measurement: °C / °F