Zip 94587 (Union City, CA) Climate

The climate in 94587 Union City, CA is characterized by mild winters and warm summers. The average temperatures throughout the year range from the low 40's in winter to the high 80's in summer. During spring and fall, temperatures tend to be more moderate, usually ranging between the mid 50's and mid 70's. Precipitation ranges from 20-25 inches per year, with most of it occurring during the winter months. Summers are generally dry but can have occasional showers or thunderstorms. Overall, this temperate climate provides a comfortable environment for its residents and visitors alike!

Union City (zip 94587), California gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Union City (zip 94587) 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 Union City (zip 94587). The US average is 205 sunny days.

Union City (zip 94587) gets some kind of precipitation, on average, 64 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 76 degrees
Winter Low: the January low is 42
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 94587 zip code is 8.8 (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 94587 zip code, while January and December are the least comfortable months.

Climate	Union City, California	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	260 days	Unlock
	76.1°	85.8°
	Unlock	21.7°
	8.8	Unlock
	Unlock	4.3
	135 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 94587 zip code with an average high temperature of 77.3°, which ranks it as cooler than most places in California. In the 94587 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 94587 zip code are August, September and July.

In the 94587 zip code, there are 7.8 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 94587 zip code with an average of 42.3°. This is warmer than most places in California.

In the 94587 zip code, there are 1.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In the 94587 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 94587 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.

February is the wettest month in the 94587 zip code with 3.2 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 16.6 inches in the 94587 zip code means that it is about average compared to other places in California.

December is the rainiest month in the 94587 zip code with 11.4 days of rain, and July is the driest month with only 0.1 rainy days. There are 64.1 rainy days annually in the 94587 zip code, 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.

There is rarely any recorded snowfall in the 94587 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 94587 zip code.

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