Weather in Napa: April
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Average day temperature: | 68.1°F |
| Average night temperature: | 47.4°F | |
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Number of sunny days: | 18 days |
| Day length: | 12.7 - 13.8 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| Napa |
weather in
May
May
| Napa |
Air temperature in April, °F
Show year:
2025
2024
2023
The highest day temperature during April of 2025 was 82°F. At the same time the lowest night temperature was 37°F. Daily and nightly averages during April were 68.9°F and 47.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Napa in April is 0.2 in. Other months of the year show relatively similar values.
Wind speed in April, mph
The average wind speed value in April is 5.1 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 April is: 9.5.
Best time for vacation in Napa
Napa on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Napa
Local time: 02:58
January 02, friday
0300
54°F
W
3 mph
3 mph
0600
54°F
W
2 mph
2 mph
0900
54°F
W
3 mph
3 mph
1200
59°F
W
4 mph
4 mph
1500
57°F
W
4 mph
4 mph
1800
54°F
W
4 mph
4 mph
2100
52°F
SW
5 mph
5 mph
January 03, saturday
0000
54°F
W
4 mph
4 mph
