Weather × Healthcare Utilization

Understanding how climate patterns correlate with Medicare utilization across all U.S. states

Key Insights

Temperature & Spending

Hotter states spend $2,500+ more per Medicare beneficiary than cooler states. The correlation (r=0.728) is the strongest relationship found, suggesting climate significantly impacts healthcare costs.

Climate & Hospitalizations

Hot-climate states average 237.7 IP stays per 1,000 beneficiaries vs. 178.2 in cold-climate states — a 33% gap. Home health episodes are 2× higher in hot states.

The Warming Signal

States with the largest temperature anomalies in 2023 also showed higher ER visit rates (r=0.513). As climate shifts, so does healthcare demand.

Regional Patterns

The West has the lowest ER rate (541.7/1000) despite moderate temperatures. The Northeast leads at 611.0/1000 — suggesting density and infrastructure matter as much as weather.

Key Performance Indicators

States Analyzed
48
U.S. States
Temperature Range
42°–73°F
Annual Average
Avg ER Visits
583
per 1,000 beneficiaries
Strongest Correlation
r = 0.728
Temp vs. Spending

Visualizations

Temperature vs. Medicare Spending (Per Capita)

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Temperature vs. ER Visits

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Temperature vs. Hospitalizations (IP Stays)

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Utilization by Climate Zone

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Healthcare Spending by Climate Zone

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ER Visit Trends by Climate Zone (2014-2023)

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Hospitalization Trends by Climate Zone (2014-2023)

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Service Mix by Climate Zone

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Regional Utilization Comparison

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Temperature Anomaly vs. ER Visits (Warming Signal)

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Data Tables

State-Level Weather × Utilization Detail

State Temp (°F) Precip (in) Climate Zone ER/1000 IP/1000 Spend/Capita Readmit Rate Region

Correlation Matrix

Variable Pair Correlation (r) Strength

Data Sources