Normal weather for Napa in March
It's cool to moderate in March in Napa with an average temperature of 18°C. Temperatures this month range from a low of 16°C to a high of 21°C. At night, you can expect temperatures between 5°C and 8°C.
In March, there is an average of 80 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Napa in March |
New York | ||
|---|---|---|---|
 Average Temperature |
18°C | 11°C | |
 High Temp |
21°C | 14°C | |
| Low Temp |
16°C | 6°C | |
 Total Precipitation |
80 mm | 63 mm | |
| Rainy Days |
12 days | 10 days | |
Start of March
The month of March starts in Napa with mild temps, averaging around 18°C during the day and nights around 7°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid March
By mid-March, daytime temps rise to around 19°C, with nights around 7°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
End of March
By the end of March, the average daytime temperature in Napa is around 20°C, while nighttime temps are about 7°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is March a good time to visit Napa?
Looking for great weather? March is a good time to be in Napa. The temperatures are nice, and there’s not too much rain.
Temperature records for Napa in March
Check out the climate of Napa for all months and discover the best travel time
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Daily Temperature in March in Napa
This chart shows the average daily high and low temperatures in March for Napa, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in March in Napa
The chart below shows the average daily precipitation in March for Napa, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for March, you can expect about 12 days of precipitation in Napa.
Daily UV Index in March in Napa
This chart shows the average daily UV index in March in Napa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in March in Napa Over the Years
This chart shows the average temperature in March in Napa, measured in degrees Celsius, over the past few years.
Total Precipitation in March in Napa Over the Years
This chart shows the average precipitation in March in Napa, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in March for Napa
Click on any day in March to get detailed info about the usual weather on that day in Napa. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in Napa
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Average Weather in Napa by Month
Click on a month below to see detailed weather info for Napa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
