Weather in Napa in Spring
| March | April | May | ||||
| Average day temperature: | 58.6°F | 67.9°F | 75.7°F | |||
| Average night temperature: | 43.9°F | 47.4°F | 52.5°F | |||
| Number of sunny days: | 14 days | 19 days | 24 days | |||
| Day length: | 11.4 - 12.6 h. | 12.7 - 13.8 h. | 13.8 - 14.6 h. | |||
| Number of rainy days: | 2 days | 0 days | 0 days | |||
| Precipitation totals: | 0.9 in. | 0.2 in. | 0.3 in. | |||
Day & Night air temperature, °F
March
April
May
0
12
24
36
48
60
72
84
96
75.7
67.9
58.6
52.5
47.4
43.9
| Day temperature | Night temperature |
Precipitation total, in.
March
April
May
0.0
0.2
0.3
0.5
0.6
0.8
0.9
1.1
0.3
0.2
0.9
Sunny, partly cloudy and cloudy days
March
April
May
0
5
10
15
20
25
30
35
3
5
11
5
6
7
24
19
14
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
March
April
May
0.0
1.0
1.9
2.9
3.9
4.9
5.8
6.8
5.7
4.9
5
Average sunny hours
March
April
May
0
2
4
6
8
10
12
14
12.2
9.8
7
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
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Napa
Local time: 01:04
April 13, sunday
0300
52°F
SE
5 mph
5 mph
0600
50°F
SE
8 mph
8 mph
0900
59°F
S
11 mph
11 mph
1200
73°F
S
13 mph
13 mph
1500
79°F
S
8 mph
8 mph
1800
73°F
SW
4 mph
4 mph
2100
63°F
E
6 mph
6 mph
April 14, monday
0000
57°F
E
5 mph
5 mph
