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U.S. average monthly temperature in Celsius 2017-2020

The monthly average temperature in the U.S. from 2017 to 2020 shows distinct seasonal variation. However, there are also distinct differences between years. 2017 had the highest recorded July temperature among the last few years. The average December temperature in 2019 was 2.45 degrees Celsius.


Globally, 2016, 2015 and 2017 were some of the warmest years ever recorded since 1880. Overall, there has been a dramatic increase in the annual temperature since 1895. Within the U.S. annual temperatures show a great deal of variation depending on region. In recent years, the U.S. average annual temperature maximum change was over 1 degree Fahrenheit, with the Great Plains North region experiencing the largest degree of change in the average annual temperature maximum.

Carbon Dioxide Emissions

Carbon dioxide is a known driver of climate change, which impacts average temperature. Global historical carbon dioxide emissions from fossil fuels have been on the rise since the industrial revolution. In 2018, carbon dioxide emissions from fossil fuel combustion and industrial processes reached over 36 billion metric tons. OECD countries are expected to have the highest per capita emissions of carbon dioxide by the year 2050. Among all countries globally, China was the highest emitter of carbon dioxide emissions in recent years.

Average monthly temperature in the U.S. from January 2017 to June 2020

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Release date



United States

Survey time period

January 2017 to June 2020

Supplementary notes

To obtain results, select: Parameter - Average Temperature; Time Scale - All Months.
Temperatures were converted from Fahrenheit to Celsius. Figures are rounded.

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