How hot and humid does it get during the summer months?
Question & Answer about Tennessee
Updated June 6, 2026
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Tennessee State Facts
State Flag
Tennessee
Capital
Nashville
State Bird
Northern Mockingbird
Statehood
June 1, 1796
State Flower
Iris
Population
7.1 million (2020)
Answer
Tennessee experiences hot and humid summers, especially from June through August, with temperatures frequently reaching the upper 80s to mid-90s Fahrenheit. Humidity levels often make it feel warmer, with the heat index regularly climbing above 100°F during peak summer days, particularly in cities like Nashville, Memphis, and Knoxville.
The state's humid subtropical climate results in muggy conditions due to moisture from the Gulf of Mexico and the Atlantic Ocean. Afternoon thunderstorms are common and provide some relief from the heat but also contribute to the overall humidity. This combination of heat and humidity can sometimes lead to uncomfortable and oppressive weather, affecting outdoor activities and energy consumption for air conditioning as of April 2026.
Key Points:
- Tennessee summer highs typically range from 85°F to 95°F with high humidity.
- Humidity often causes heat index values above 100°F during peak days.
- Afternoon thunderstorms are common and increase humidity levels statewide.
Tennessee’s summers are distinctly hot and humid, requiring preparations for heat and moisture.
The state's humid subtropical climate results in muggy conditions due to moisture from the Gulf of Mexico and the Atlantic Ocean. Afternoon thunderstorms are common and provide some relief from the heat but also contribute to the overall humidity. This combination of heat and humidity can sometimes lead to uncomfortable and oppressive weather, affecting outdoor activities and energy consumption for air conditioning as of April 2026.
Key Points:
- Tennessee summer highs typically range from 85°F to 95°F with high humidity.
- Humidity often causes heat index values above 100°F during peak days.
- Afternoon thunderstorms are common and increase humidity levels statewide.
Tennessee’s summers are distinctly hot and humid, requiring preparations for heat and moisture.
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