Measurements:
°C
°F
Napa
90°F
NE 4 mph
Feels like: 88°F
Precip: 0%
World Resorts USA Napa Weather April Weather in Napa

Napa Weather: April

Average Day Temperature: 69.8°F
Average Night Temperature: 47.5°F
Number of Sunny Days: 19 days
Sunshine Hours: 12.7 - 13.8 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.4 in

Air Temperature in April, °F

Select Year: 2026 2025 2024

The highest day temperature in April 2026 was 84°F. The lowest night temperature was 45°F. The average values for day and night temperatures during April were 68.3°F и 50.1°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in April, in

Precipitation total in April for Napa is 0.4 in.

Wind Speed in April, mph

The average wind speed in April is 5.1 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Napa in April is 9.5 hours.

Best Time to Visit Napa
The most sunny months:
June 25 days
July 25 days
August 25 days
The most warm months:
August 89.1 °F
July 87.7 °F
September 87.0 °F
The most cold months:
December 55.0 °F
January 55.7 °F
February 58.9 °F
The most rainy months:
January 3 days
December 3 days
March 1 day
The most windy months:
June 6 mph
May 6 mph
July 6 mph

Napa on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Napa
Local time: 16:48
05 oct, monday
1800 90°F
NE
4 mph
2100 72°F
E
4 mph
06 oct, tuesday
0000 70°F
E
3 mph
0300 66°F
E
2 mph
0600 66°F
SE
2 mph
0900 80°F
NE
1 mph
1200 98°F
N
4 mph
1500 102°F
NE
7 mph