Climate in Hayward, CA

Hayward, CA is situated along the San Francisco Bay in the Alameda County region of California. The climate is typically warm and mild, with temperatures ranging from around 40–60°F in the winter to 60–80°F in the summer. The average yearly rainfall is approximately 17 inches, with most precipitation occurring between December and March. The area generally experiences a moderate amount of sunshine year-round. Humidity levels tend to be relatively low, with an average relative humidity of approximately 50%. In general, Hayward features pleasant weather making it an ideal place to enjoy outdoor activities like hiking and biking.

Hayward, California gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hayward averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 257 sunny days per year in Hayward. The US average is 205 sunny days.

Hayward gets some kind of precipitation, on average, 65 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.

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Weather Highlights

Summer High: the July high is around 76 degrees
Winter Low: the January low is 42
Rain: averages 18 inches of rain a year
Snow: averages 0 inches of snow a year

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BESTPLACES COMFORT INDEX

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

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

August is the hottest month for Hayward with an average high temperature of 77.5°, which ranks it as cooler than most places in California. In Hayward, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hayward are August, September and July.

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In Hayward, there are 9.6 days annually when the high temperature is over 90°, which is cooler than most places in California.

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January has the coldest nighttime temperatures for Hayward with an average of 42.1°. This is warmer than most places in California.

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In Hayward, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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Humidity in Hayward 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.

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February is the wettest month in Hayward with 3.4 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 18.0 inches in Hayward means that it is about average compared to other places in California.

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December is the rainiest month in Hayward with 11.5 days of rain, and July is the driest month with only 0.1 rainy days. There are 64.7 rainy days annually in Hayward, which is rainier than most places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 2% chance of a rainy day.

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

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