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the claim
Hotter climates are associated with increased rates of violent behavior
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
5 sources for · 0 against

Multiple empirical studies and systematic reviews consistently demonstrate that higher ambient temperatures are significantly associated with increased rates of violent behavior and crime.

Evidence for · 5
The Association of Ambient Temperature and Violent Crime
2017 · cited by 123
The study demonstrates that ambient temperature explained 10% of the variance in violent crime rates in Finland, showing a 1.7% increase per degree centigrade.
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The analysis

Papers [0], [1], [2], [4], and [8] all provide strong empirical support across different geographic locations (Finland, South Korea, US cities, and Brazil) showing a positive association between higher temperatures and increases in violent crime or homicide rates. There are no papers refuting this claim.

More for · 4
A nationwide time-series analysis for short-term effects of ambient temperature on violent crime in South Korea.
2024 · cited by 11
The nationwide time-series analysis in South Korea finds that daily summer temperature is significantly associated with increased violent crime counts.
Temperature, violent crime, climate change, and vulnerability factors in 44 United States cities.
2025 · cited by 4
Observational data across 44 U.S. cities confirms that high daily temperatures are associated with higher rates of violent crime.
Examining the Association between Heat Exposure and Crime in Cities across the United States: A Scoping Review.
2025 · cited by 2
A scoping review of U.S. city studies reports that 93% of included studies found significant, positive associations between urban heat exposure and violent crime.
Ambient temperature and deaths from homicide in Brazil from 2010-2019: a nationwide space-time-stratified case-crossover study.
2025 · cited by 1
A nationwide case-crossover study in Brazil shows that every 5°C increase in daily mean temperature was associated with a 10.6% increase in homicidal deaths.
Everything we examined (12)
  1. The Association of Ambient Temperature and Violent Crimepeer-reviewedsupports
  2. A nationwide time-series analysis for short-term effects of ambient temperature on violent crime in South Korea.peer-reviewedsupports
  3. Temperature, violent crime, climate change, and vulnerability factors in 44 United States cities.peer-reviewedsupports
  4. An integrative assay for measuring social aversion and motivation in freely behaving mice.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  5. Examining the Association between Heat Exposure and Crime in Cities across the United States: A Scoping Review.peer-reviewedsupports
  6. Strain Theory, Violence, and Aggressionpeer-reviewedno side takennot shown: read and judged not to bear on this claim
  7. Novel Fractional Approach to Concrete Creep Modeling for Bridge Engineering Applications.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  8. Beyond Latency: Chronic <i>Toxoplasma</i> Infection and Its Unveiled Behavioral and Clinical Manifestations-A 30-Year Research Perspective.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  9. Ambient temperature and deaths from homicide in Brazil from 2010-2019: a nationwide space-time-stratified case-crossover study.peer-reviewedsupports
  10. A scoping review of theoretical and conceptual frameworks in U.S. firearm injury research.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  11. Heat-related challenges and interventions in hospitals: A future-oriented, qualitative approach to improve nurses' working conditions.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  12. Doing Qualitative Workplace Relationship Research: Current Trends, New Directions, and Quality Indicators.peer-reviewedno side takennot shown: read and judged not to bear on this claim
The paper trail · every fact has a biography
first checked05 Aug 2026
judged → SUPPORTED · 8805 Aug 2026
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