Walnut, CA Climate


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United States / California / Los Angeles-Long Beach-Anaheim Metro Area / Los Angeles County / Walnut / Zip Codes
Walnut, CA has a Mediterranean climate with mild winters and hot, dry summers. The average temperature ranges from the mid to high 50's in winter months to the upper 90's during summer months. Rainfall is relatively low throughout the year, with annual averages near 13 inches. Walnut generally enjoys plenty of sunshine year-round with temperatures typically below 80 degrees. Overall, the climate in Walnut is usually quite pleasant and enjoyable for residents and visitors alike.

Walnut, California gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 285 sunny days per year in Walnut. The US average is 205 sunny days.

Walnut gets some kind of precipitation, on average, 33 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 44
Rain: averages 16 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

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

9.1 Summer - 8.7 Winter
June, May and October are the most pleasant months in Walnut, while January and December are the least comfortable months.

  ClimateWalnut, CaliforniaUnited States
  16.2 in.38.1 in.
  0.0 in.27.8 in.
  32.8 days106.2 days
  285 days205 days
  88.2°85.8°
  44.0°21.7°
  9.17
  6.24.3
  561 ft.2443 ft.
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 Walnut with an average high temperature of 90.3°, which ranks it as about average compared to other places in California. In Walnut, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Walnut are May, April and October.
In Walnut, there are 54.9 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 Walnut with an average of 43.0°. This is warmer than most places in California.
In Walnut, there are 3.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.
In Walnut, 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 Walnut 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 Walnut with 3.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 61% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 16.2 inches in Walnut means that it is about average compared to other places in California.
February is the rainiest month in Walnut with 6.0 days of rain, and July is the driest month with only 0.3 rainy days. There are 32.8 rainy days annually in Walnut, which is less rainy than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 3% chance of a rainy day.
There is rarely any recorded snowfall in Walnut, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Walnut.
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michael · Walnut, CA
Making the best of it
Over 4 years ago

Lived here for nearly seven years ...First - This is  More

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PETE · Ogden, UT
Walnut, California
Over 16 years ago

Nice place to raise family. Excellent Schools and great  More

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Terri · Walnut, CA
Too expensive!!!
Over 18 years ago

It is way too expensive here! A one bedroom apartment is about 1200 / month here and houses average $500,000 for a "fixer upper". Great schooll district and very nice  More

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