Zip 91108 (San Marino, CA) Climate

The climate in 91108 San Marino, CA is generally mild and warm with temperatures rarely getting too hot or cold. Summers in the area are typically sunny and warm, with temperatures reaching into the 70s and 80s on some days. Winters tend to be mild and rainy, with occasional snowfall in the higher elevations. Spring and autumn bring pleasant weather, with temperature fluctuations from day to day. The area also receives moderate rainfall all year round, providing its residents with lush vegetation.

San Marino (zip 91108), California gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

San Marino (zip 91108) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 290 sunny days per year in San Marino (zip 91108). The US average is 205 sunny days.

San Marino (zip 91108) gets some kind of precipitation, on average, 37 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 88 degrees
Winter Low: the January low is 47
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 91108 zip code is 9.1 (10=best), which means it is one of the most pleasant places in California.

9.2 Summer - 8.8 Winter

June, May and October are the most pleasant months in the 91108 zip code, while January and February are the least comfortable months.

Climate	San Marino, California	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	290 days	Unlock
	87.7°	85.8°
	Unlock	21.7°
	9.1	Unlock
	Unlock	4.3
	572 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 91108 zip code with an average high temperature of 89.3°, which ranks it as about average compared to other places in California. In the 91108 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 91108 zip code are May, April and October.

In the 91108 zip code, there are 49.9 days annually when the high temperature is over 90°, which is about average compared to other places in California.

December has the coldest nighttime temperatures for the 91108 zip code with an average of 45.8°. This is one of the warmest places in California.

In the 91108 zip code, there are 0.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In the 91108 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 91108 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 July, August and June.

February is the wettest month in the 91108 zip code with 4.7 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 19.3 inches in the 91108 zip code means that it is about average compared to other places in California.

February is the rainiest month in the 91108 zip code with 6.7 days of rain, and August is the driest month with only 0.4 rainy days. There are 37.1 rainy days annually in the 91108 zip code, which is less rainy 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 91108 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 91108 zip code.

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