Please click on any column to get detailed information about Napa weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
54.5
61.0
77.5
85.3
87.1
86.3
82.4
75.7
67.9
58.6
57.7
54.6
45.1
46.8
55.8
58.4
59.9
58.8
56.9
52.5
47.4
43.9
44.1
44.0
| Day temperature | Night temperature |
The warmest month in Napa is august. The average daily temp is 87.1°F. The average nightly temp is 59.9°F.
Precipitation total, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.4
0.7
0.9
1.1
1.3
1.6
1.3
0.3
0.3
0.1
0
0
0
0.3
0.2
0.9
0.5
1.3
Number of rainy days
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
4
3
1
0
0
0
0
0
0
0
2
1
3
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
3.8
3.8
4
4.4
4.9
5.5
5.9
5.7
4.9
5
4.5
4
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
11
5
3
3
5
11
8
9
8
7
5
3
2
2
3
5
6
7
5
8
12
19
23
25
29
29
26
24
19
14
16
14
| Cloudy days | Partly cloudy days | Sunny days |
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
2
4
6
8
10
12
14
16
4.8
7
8.8
10.8
12.8
13.5
13.1
12.2
9.8
7
6.7
5.9
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.
* Charts above show average data for the last 3 years.
Best time for vacation in Napa
Napa on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Napa
Local time: 10:59
April 06, sunday
1200
59°F
N
3 mph
3 mph
1500
70°F
NE
6 mph
6 mph
1800
63°F
NE
8 mph
8 mph
2100
55°F
NE
6 mph
6 mph
April 07, monday
0000
52°F
NE
7 mph
7 mph
0300
52°F
NE
6 mph
6 mph
0600
52°F
NE
5 mph
5 mph
0900
55°F
NE
5 mph
5 mph
