Zip 94027 (Atherton, CA) Climate

Atherton, CA has a mild climate year round that is heavily influenced by the nearby Pacific Ocean. Generally, temperatures stay in the 50s and 60s during the winter months and in the 70s and 80s during the summer months. Rainfall is also relatively low throughout the year, with most of it occurring during the winter season when there are occasional storms that bring light to moderate precipitation to the area. The location also enjoys a comfortable level of humidity throughout the year and typically experiences very little extreme weather.

Atherton (zip 94027), California gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Atherton (zip 94027) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 260 sunny days per year in Atherton (zip 94027). The US average is 205 sunny days.

Atherton (zip 94027) gets some kind of precipitation, on average, 61 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 80 degrees
Winter Low: the January low is 41
Rain: averages 17 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 94027 zip code is 8.7 (10=best), which means it is more comfortable than most places in California.

9.8 Summer - 7.5 Winter

August, July and September are the most pleasant months in the 94027 zip code, while January and December are the least comfortable months.

Climate	Atherton, California	United States
	17.1 in.	38.1 in.
	0.0 in.	27.8 in.
	60.6 days	106.2 days
	260 days	205 days
	79.7°	85.8°
	40.5°	21.7°
	8.7	7
	4.9	4.3
	119 ft.	2443 ft.

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.

July is the hottest month for the 94027 zip code with an average high temperature of 79.7°, which ranks it as cooler than most places in California. In the 94027 zip code, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 94027 zip code are June, September and August.

In the 94027 zip code, there are 12.3 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 94027 zip code with an average of 40.3°. This is warmer than most places in California.

In the 94027 zip code, there are 6.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In the 94027 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 94027 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 94027 zip code with 3.4 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 17.1 inches in the 94027 zip code means that it is about average compared to other places in California.

January is the rainiest month in the 94027 zip code with 10.2 days of rain, and July is the driest month with only 0.1 rainy days. There are 60.6 rainy days annually in the 94027 zip code, which is about average compared to other 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 94027 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 94027 zip code.

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