Napa Weather in July

During July, Napa experiences high daytime temperatures of 29°C (84°F) and cooler nights around 13°C (55°F). As the driest month of the year, rainfall is at its lowest.

Rainfall in Napa in July

This month sees the least rain of the year, making it well suited for outdoor adventures. You can expect rain on around 0 days based on historical patterns, with 0.1 mm (0 in) average for the month.

Temperature in Napa in July

The perfect temperature in Napa in July makes it a solid month to visit, with 29°C (84°F) during the day and 13°C (55°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Napa in July

The month enjoys around 306 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're inclined towards comfortable temperatures and drier conditions, July is a good time to visit Napa.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Napa's climate page.

Napa Temperature in July

Min Temperature 13°C (55°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 0%  

Precipitation 0.1 mm (0 in)  

Rainy days 0 days  

Sunshine 306 hours *  

Percentage Sunshine 72% *  

* Data from: Healdsburg, the United States of America (61 KM, 38 Miles).

What to Wear in Napa in July

Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Napa in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Napa's climate page.

More climate data for Napa

Temperature Rainfall Sunshine

See the full Napa climate overview or explore weather in the United States of America.