London Average Temperature vs US Adult Obesity

London Average Temperature and US Adult Obesity correlate at r = +0.62 over 45 years (1980–2024), p < 0.0001. With the time trend removed, r = -0.22. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = -0.22). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r: +0.62
p-value: < 0.0001
Years compared (n): 45 (1980–2024)
95% confidence interval: 0.40 to 0.77
Correlation with the time trend removed: -0.22

Sources

London Average Temperature (°C): Open-Meteo (ERA5). Annual mean 2m air temperature for London from the ERA5 reanalysis.
US Adult Obesity (% of adults): Our World in Data. US Adult Obesity (Our World in Data: Obesity among adults, BMI >= 30 kg/m2 (crude estimate) (%) - Sex: both sexes - Age group: 18+ years of age).

Related pairs

US Adult Obesity vs US Population (r = +1.00)
US Median Age vs US Adult Obesity (r = +0.99)
US Marriage Rate vs US Adult Obesity (r = -0.98)
US Adult Obesity vs US Resident Patent Applications (r = +0.98)
US Adult Obesity vs US Mobile Subscriptions (r = +0.98)
US Adult Obesity vs US Internet Users (r = +0.98)

Correlation does not imply causation. How the verdict is worked out.