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Napa Valley United States of America
Temperatures in June
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Temperature in Napa Valley in June

Napa Valley is a region in the United States of America. In June the average maximum daytime temperatures are high and range from 26°C in American Canyon to 30°C in St. Helena. Nighttime temperatures generally drop to 12°C in St. Helena and 11°C in American Canyon.

What is the temperature of the different cities in Napa Valley in June?

Discover the typical June temperatures for the most popular locations of Napa Valley on the map below. Detailed insights are just a click away.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in June in Napa Valley?
    • Data insights from our comprehensive database indicate that St. Helena is the city with the highest warmth. Daytime peaks average near 30°C, while the nights are characterized by a low temperature close to 12°C."

  • What is the coldest city in June in Napa Valley?
    • According to our data, American Canyon holds the title for the coldest city in Napa Valley in June. It experiences maximum temperatures of approximately 26°C and drops to lows of about 11°C during the night.

  • How much sun does Napa Valley get in June?
    • Napa enjoys approximately 305 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

    Interested in more climate information?

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