Zip 94963 (San Geronimo, CA) Climate

The climate in 94963 San Geronimo, CA is typical of the area, with mild winters and dry summers. The average temperature throughout the year is 53°F (12°C), with January being the coldest month at an average of 44°F (7°C) and July the hottest month, with an average temperature of 63°F (17°C). Rainfall in the area is generally low, ranging from 14 to 25 inches annually.

San Geronimo (zip 94963), California gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

San Geronimo (zip 94963) 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 San Geronimo (zip 94963). The US average is 205 sunny days.

San Geronimo (zip 94963) gets some kind of precipitation, on average, 78 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 79 degrees
Winter Low: the January low is 42
Rain: averages 41 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 94963 zip code is 8.5 (10=best), which means it is more comfortable than most places in California.

9.6 Summer - 7.1 Winter

August, July and September are the most pleasant months in the 94963 zip code, while January and December are the least comfortable months.

Climate	San Geronimo, California	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	260 days	Unlock
	79.1°	85.8°
	Unlock	21.7°
	8.5	Unlock
	Unlock	4.3
	486 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 94963 zip code with an average high temperature of 79.1°, which ranks it as cooler than most places in California. In the 94963 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 94963 zip code are September, July and August.

In the 94963 zip code, there are 13.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

January has the coldest nighttime temperatures for the 94963 zip code with an average of 41.7°. This is warmer than most places in California.

In the 94963 zip code, there are 2.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In the 94963 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 94963 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 June.

December is the wettest month in the 94963 zip code with 8.3 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 40.5 inches in the 94963 zip code means that it is wetter than most places in California.

January is the rainiest month in the 94963 zip code with 12.8 days of rain, and July is the driest month with only 0.9 rainy days. There are 77.8 rainy days annually in the 94963 zip code, which is rainier than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 5% chance of a rainy day.

There is rarely any recorded snowfall in the 94963 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 94963 zip code.

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