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United States of AmericaUnited States of America Napa Valley
Napa Valley United States of America
Weather in Annual
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Weather in Annual in Napa Valley

Considering a trip to Napa Valley this Annual and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Napa Valley in Annual?

Napa Valley is a region in the United States of America. Annual in Napa Valley generally has mild temperatures, with precipitation levels ranging from moderate to high. Annual falls during the winter season.

Temperatures

You can expect mild maximum daytime temperatures of around 15°C and nighttime temperatures around 4°C in Napa.

Precipitation

In Annual, precipitation varies across different areas. From moderate rainfall in American Canyon with an average of 79 mm to high rainfall in Calistoga with 132 mm.

Average sunshine

The days are mostly sunny, with an average total of around 190 hours of sunshine in Napa. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

For specific regional insights in Napa Valley for Annual, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Napa Valley climate page.

Where to go in Napa Valley in Annual

Find more information for the most popular destinations in the Napa Valley on the map below. Click on a destination dot for more detailes.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in Annual for the 5 most popular destinations in Napa Valley?

Napa

In Annual Napa generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Napa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
23°C 
8°C 
0 hours 
585 mm 
62 days 
poor 
January January
15°C 
4°C 
190 hours 
91 mm 
9 days 
tolerable 
February   >> February
>>  
17°C 
5°C 
201 hours 
106 mm 
9 days 
unpleasant 
Climate in Napa

Calistoga

In Annual Calistoga generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 4°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Calistoga
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
23°C 
8°C 
0 hours 
866 mm 
72 days 
poor 
January January
15°C 
4°C 
190 hours 
132 mm 
9 days 
unpleasant 
February   >> February
>>  
17°C 
4°C 
201 hours 
158 mm 
10 days 
unpleasant 
Climate in Calistoga

St. Helena

In Annual St. Helena generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 4°C and high monthly rainfall. So on average the conditions are unpleasant that month.

St. Helena
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
24°C 
9°C 
0 hours 
800 mm 
73 days 
poor 
January January
16°C 
4°C 
190 hours 
125 mm 
10 days 
unpleasant 
February   >> February
>>  
17°C 
5°C 
201 hours 
155 mm 
10 days 
unpleasant 
Climate in St. Helena

Yountville

In Annual Yountville generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 3°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Yountville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
23°C 
8°C 
0 hours 
660 mm 
67 days 
poor 
January January
15°C 
3°C 
190 hours 
103 mm 
9 days 
unpleasant 
February   >> February
>>  
17°C 
5°C 
201 hours 
122 mm 
10 days 
unpleasant 
Climate in Yountville

American Canyon

In Annual American Canyon generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 3°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

American Canyon
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
21°C 
8°C 
3,072 hours 
498 mm 
64 days 
poor 
January January
14°C 
3°C 
186 hours 
79 mm 
9 days 
tolerable 
February   >> February
>>  
17°C 
5°C 
209 hours 
87 mm 
9 days 
tolerable 
Climate in American Canyon

Is your destination not in the list? Have a look at other destinations in Napa Valley, in the United States of America.

Is Annual the best time to visit Napa Valley?

Given the typically tolerable weather conditions in Napa, Annual might be a good time to visit Napa Valley. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in April, May, June, July, August, September and October offering mostly perfect weather in Napa. On the other hand, the months of February and December tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Napa Valley. Interested in the weather conditions in a specific month? Select the month below.

  • January      
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    • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.