Monday, September 5, 2016

Record Hottest and Coldest Weather Temperatures Ever Recorded in Pomona, California

Official weather records have been kept in the city of Pomona, California since 1893. Here are the record hottest and coldest temperatures ever officially recorded in Pomona, California since 1893.

Located in the Pomona Valley in Southern California between Los Angeles and Riverside, the city of Pomona has much milder temperature variations than the extremes found in the state of California. Pomona is famous for holding the huge annual LA County fair every September and as the home of the Auto Club Raceway.



The difference between the hottest and coldest temperatures ever recorded in Pomona is 96 degrees. The difference between the hottest and coldest temperature records for the state of California is 179 degrees for a huge difference of 83 total degrees.

California is one of the most extreme states in the United States in terms of weather temperature variations. Mainly because the hottest temperature ever recorded in the world was recorded in Death Valley, California.

All-Time Record Hottest Weather Temperature Ever Recorded in Pomona is 117 Degrees

The hottest weather temperature ever officially recorded in Pomona, California is 117 degrees which occurred on June 17, 1917. 

Without any doubt the city of Pomona is a warm weather city. Days when the temperature reaches 100 degrees or more are common in Pomona and can occur in the city from late March through October each year. The earliest 100 degree day in Pomona was on March 26, 1988, and the latest 100 degree day was on October 25, 1965.

  • Hottest Temperature Ever Recorded in California is 134 Degrees

The hottest temperature ever recorded in the state of California and the world is 134 degrees which occurred on July 13, 1913, at the Greenland Ranch in Death Valley. Pomona is located about 200 miles as the crow flies south of Death Valley.

The difference between the all-time hottest temperature in Pomona (117) and the all-time hottest temperature in California (134) is 17 degrees. A big sized difference statistically and it certainly gets hot in both of these cool places to visit in California. 

All-Time Record Coldest Weather Temperature Ever Recorded in Pomona is 21 Degrees

The coldest weather temperature ever officially recorded in Pomona, California is 21 degrees which occurred on both January 7, 1913, and on January 13, 1963. 

Below freezing temperature nights generally occur in Pomona from late October to April in any given year. The earliest below freezing day in Pomona occurred on October 20, 1949, and the latest below freezing date was on May 1, 1915.

  • Coldest Temperature Ever Recorded in California is -45 Degrees

The coldest temperature ever recorded in the state of California is -45 degrees, which occurred on January 20, 1937, in Boca. The town of Boca is now mostly gone submerged under the Boca Dam which was built in 1939 and is located along Route 80 north of Lake Tahoe.

The difference between the all-time coldest temperature ever recorded in Pomona (21) and the all-time coldest temperature in the state of California (-45) is 66 degrees. A huge difference and a much larger a difference than the hottest temperatures between the city and state.

Overall, Pomona is a city with mostly moderate weather temperatures and this fairground city between LA and Riverside has a much milder climate in temperature variations than the extremes found in the state of California or in most cities in the United States.

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