Zip 94559 (Napa, CA) Climate

Napa, CA is located in the northern region of California and has a Mediterranean climate with mild winters and dry summers. It has warm days and cool nights year-round, with temperatures rarely dipping below 40 degrees Fahrenheit or rising above 100 degrees. The average annual temperature in Napa is around 62 degrees Fahrenheit and the area receives an average of 27 inches of rainfall each year. During the summertime, Napa can experience extremely hot days with temperatures climbing into the mid-90s, especially during heat waves or periods of drought. Overall, Napa is known for its pleasant weather all year long with lots of sunshine and very little rain for most of the year.

Napa (zip 94559), California gets 27 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Napa (zip 94559) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 262 sunny days per year in Napa (zip 94559). The US average is 205 sunny days.

Napa (zip 94559) gets some kind of precipitation, on average, 69 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 38
Rain: averages 27 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 94559 zip code is 8.5 (10=best), which means it is more comfortable than most places in California.

9.5 Summer - 7.2 Winter

July, June and September are the most pleasant months in the 94559 zip code, while January and December are the least comfortable months.

Climate	Napa, California	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	262 days	Unlock
	82.3°	85.8°
	Unlock	21.7°
	8.5	Unlock
	Unlock	4.3
	13 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for the 94559 zip code with an average high temperature of 82.9°, which ranks it as cooler than most places in California. In the 94559 zip code, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 94559 zip code are October, May and June.

In the 94559 zip code, there are 24.3 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for the 94559 zip code with an average of 37.4°. This is about average compared to other places in California.

In the 94559 zip code, there are 21.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In the 94559 zip code, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

Humidity in the 94559 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.

February is the wettest month in the 94559 zip code with 5.3 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 27.1 inches in the 94559 zip code means that it is wetter than most places in California.

December is the rainiest month in the 94559 zip code with 12.0 days of rain, and July is the driest month with only 0.1 rainy days. There are 68.5 rainy days annually in the 94559 zip code, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.

There is rarely any recorded snowfall in the 94559 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 94559 zip code.

Reviews for Napa

See all ()

Write a Review

Start Your Review of Napa

Jobs

The premier source for comprehensive city data for over 30 years.