Mar 19, 2024 - Climate

Spring is getting hotter in New Orleans

Change in average spring temperature from 1970 to 2023
Data: Climate Central; Map: Alice Feng/Axios

Spring in New Orleans is getting hotter, according to a recent Climate Central analysis a trend that reflects human-caused warming, the group says.

Why it matters: Much of the seasonal climate change discussion is focused on summer and winter, when temperatures are typically at their annual high and low extremes. But the "between seasons" are affected too.

Data: Climate Central; Chart: Axios Visuals
Data: Climate Central; Chart: Axios Visuals

By the numbers: Springtime in New Orleans warmed by 4.1°F on average between 1970 and 2023, per Climate Central, a climate research and communications nonprofit.

  • That's compared to warming of 2.2°F on average across nearly 230 U.S. cities.

Zoom out: Tuesday is the first day of astronomical spring, but allergy season started early in New Orleans this year.

Stunning stat: Spring has gotten notably warmer in the American Southwest, where average seasonal temperatures have risen by more than 6°F in some places.

Zoom in: The highest average springtime temperature increases were seen in Reno, Nevada (+6.8°F); El Paso, Texas (+6.3°F); and Las Vegas (+6.2°F).

What it did: The group's analysis is based on NOAA data and looks at meteorological spring, which begins March 1 and ends May 31.

What it's saying: Warmer springtime temperatures cause a variety of indirect effects, per Climate Central, including longer allergy seasons and changes in agricultural growing seasons.

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