Climate in Zip 91761 (Ontario, CA)

Ontario (zip 91761), California gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ontario (zip 91761) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 281 sunny days per year in Ontario (zip 91761). The US average is 205 sunny days.

Ontario (zip 91761) gets some kind of precipitation, on average, 28 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 92 degrees
Winter Low: the January low is 42
Rain: averages 14 inches of rain a year
Snow: averages 0 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the 91761 zip code is 8.8 (10=best), which means it is more comfortable than most places in California.

August is the hottest month for the 91761 zip code with an average high temperature of 94.0°, which ranks it as warmer than most places in California. In the 91761 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 91761 zip code are May, October and April.

December has the coldest nighttime temperatures for the 91761 zip code with an average of 41.0°. This is warmer than most places in California.

In the 91761 zip code, there are 82.9 days annually when the high temperature is over 90°, which is hotter than most places in California.

In the 91761 zip code, there are 4.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In the 91761 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.

February is the wettest month in the 91761 zip code with 3.1 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 13.6 inches in the 91761 zip code means that it is drier than most places in California.

February is the rainiest month in the 91761 zip code with 5.5 days of rain, and July is the driest month with only 0.2 rainy days. There are 27.8 rainy days annually in the 91761 zip code, which is one of the least rainy places in California. The rainiest season is Spring when it rains 52% of the time and the driest is Autumn with only a 3% chance of a rainy day.

There is rarely any recorded snowfall in the 91761 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 91761 zip code.

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