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Data InsightsWinters have warmed faster than summers in the United States
May 30, 2024Hannah Ritchie

Winters have warmed faster than summers in the United States

Line charts showing the increase in temperatures across different seasons in the US. Winters are warming faster than summer.

The world is getting hotter as a result of climate change, with some countries warming faster than others. But within countries, warming is not equal across the year.

In the United States, winters have warmed faster than any other season. This is followed by spring, with summer and fall showing the slowest rates.

The chart below shows the temperature anomaly — the change in seasonal temperature compared to the average over the 20th century (1901 to 2000). This data is collected and published by the National Oceanic and Atmospheric Administration.

American winters have warmed by nearly 3 degrees Fahrenheit (°F), compared to 1.5°F to 2°F in other seasons.

Minimum temperatures have increased faster than maximum temperatures. That means nighttime temperatures have increased more than daytime temperatures.

Explore the data