2017 Was the Second Hottest Year on Record

Globally averaged temperatures were 0.90 degrees Celsius (1.62 degrees Fahrenheit) warmer than the long-term mean.

Image of the Day Heat Human Presence Temperature Extremes

2018 Was the Fourth Warmest Year, Continuing Long Warming Trend

The past five years have been the warmest years in the modern record, and 18 of the 19 warmest years have occurred since 2000.

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July 2016 Was the Hottest Month on Record

The record-warm July continued a streak of ten consecutive months that have set new monthly high-temperature records.

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2015 Was the Hottest Year on Record

Long-term climate change got a boost from the developing El Niño and obliterated previous records.

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2019 Was the Second Warmest Year on Record

The past five years have been the warmest of the past 140 years.

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Another Hot July

July 2017 was statistically tied with July 2016 as the warmest month in 137 years of modern record-keeping.

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Record Warmth in February

Almost all land surfaces on the planet experienced unusually warm temperatures.

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Global Surface Temperatures in 2005

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Rising Temperatures: A Month Versus a Decade

April to September 2014 was the hottest spring and summer in 130 years of recordkeeping. Here’s why that matters, and why it doesn’t.

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Global Warming Mapped

The average global temperature has increased by about 0.8°Celsius since 1880, and two-thirds of the warming occurred after 1975.

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2014 Was the Warmest Year in the Modern Record

Separate analyses by NASA and NOAA agree that the past year was hotter than any other since 1880. The ten warmest years in the instrumental record, with the exception of 1998, have now occurred since 2000.

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2011 Global Temperatures

Analysis of global temperatures shows that the year was the 9th hottest in the past 130 years. Nine of the ten warmest years have occurred since 2000.

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How Warm Was Summer 2010?

2010 was the 4th warmest summer in the 131-year-temperature record. Unusually warm summers in the U.S. and Europe created the impression of global warming run amuck, but extrapolating global trends based on one or two regions can be misleading.

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Mapping the Hot Summer

July 2012 was the world’s 4th hottest July recorded since 1880.

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