Year 2023 average temperature, Japan’s warmest year on record

By on January 5, 2024

Though warming has not been the same for countries around the world, the upward trend in Japan’s average temperature shows that year 2023’s average temperature was at its highest since record tracking began in 1898.

The average, based on data collected at 15 observation points across the country that are little impacted by urbanization, exceeded the normal-year level by 1.29 degrees Celsius, the agency said Thursday. The normal-year level is the average of temperatures of 30 years through 2020.

The previous largest positive deviation from a 30-year average was 0.65 degree logged in 2020.
The increasing temperatures in recent years and average annual temperatures from 2019-2023 show that more areas are warming than cooling.

Data taken from 149 observation points around Japan showed that the average 2023 temperature  was 1.8 degrees higher than normal in northern Japan and 1.4 degrees higher in eastern Japan. The positive deviation in western Japan was 0.9 degree, which matched the largest figure on record posted in 1998.

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