World Resorts USA Napa Weather

Napa weather in April

Weather in Napa: April

Average day temperature: 67.8°F
Average night temperature: 47.8°F
Number of sunny days: 19 days
Day length: 12.7 - 13.8 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 80°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during April were 66.5°F and 50.1°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 0.4 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: 9.6.

Best time for vacation in Napa

Sunniest months:
June 25 days
July 25 days
August 25 days
Warmest months:
August 85.2 °F
July 83.9 °F
September 83.3 °F
Coldest months:
December 54.5 °F
January 55.1 °F
February 58.0 °F
Rainiest months:
January 3 days
December 3 days
March 1 day
Windiest months:
June 6.2 mph
May 6.0 mph
July 5.7 mph

Napa on a weather map

Napa
+66°F
E 3 mph
Feels like: +66°F
Precip.: 2%
Places in USA:
Name
°F
+55°F
+59°F
+77°F
+77°F
+86°F
+82°F
+68°F
+68°F
+59°F
+81°F
+64°F
+82°F
+77°F
+59°F
24 Hours Forecast
Napa
Local time: 23:53
October 05, monday
0000
66°F
E
3 mph
0300
66°F
E
1 mph
0600
66°F
SE
2 mph
0900
79°F
NE
1 mph
1200
93°F
NE
3 mph
1500
97°F
NE
6 mph
1800
88°F
NE
4 mph
2100
70°F
E
3 mph
Units of measurement: °C / °F