World Resorts USA Napa Weather

Napa weather in March

Weather in Napa: March

Average day temperature: 60.7°F
Average night temperature: 45.0°F
Number of sunny days: 16 days
Day length: 11.4 - 12.6 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in March, °F

Show year:
2026
2025
2024

The highest day temperature during March of 2026 was 84°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during March were 73.3°F and 51.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are sunny but cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in Napa in March is 0.8 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 4.8 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 March is: 7.6.

Best time for vacation in Napa

Sunniest months:
August 28 days
June 26 days
July 26 days
Warmest months:
August 86.9 °F
July 85.0 °F
September 84.3 °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 6.1 mph
May 6.0 mph
July 5.6 mph

Napa on a weather map

Napa
+54°F
E 2 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+72°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+63°F
+50°F
24 Hours Forecast
Napa
Local time: 03:41
April 09, thursday
0600
54°F
E
2 mph
0900
59°F
E
3 mph
1200
66°F
NE
5 mph
1500
64°F
NE
11 mph
1800
61°F
NE
9 mph
2100
57°F
NE
5 mph
April 10, friday
0000
55°F
E
2 mph
0300
55°F
SE
2 mph
Units of measurement: °C / °F