Why Is It So Hot in Arkansas, USA? Causes and Heat Countermeasures

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Why Arkansas is Hot, How to Cope with It, and Where to Find Cooler Areas


[Reasons Why Arkansas Gets So Hot]

1. Geographical Factors

  • Arkansas is located in the inland southern region of the United States.
  • Warm, moist air flows northward from the Gulf of Mexico, leading to hot and humid summers.
  • Because the state is not near the ocean or large lakes, it lacks cooling sea breezes, which contributes to the heat.




2. Climate Characteristics (Humid Subtropical Climate)

  • Arkansas has a humid subtropical climate (Cfa), meaning that summers are hot and humid, with temperatures often reaching close to 95°F (35°C).
  • Due to high humidity, the heat index (feels-like temperature) often feels higher than the actual temperature.

3. Urbanization and the Heat Island Effect

  • In cities such as Little Rock (the state capital), concrete and buildings absorb and retain heat, causing the urban heat island effect.
  • As a result, temperatures remain high even at night, increasing the risk of heat-related illnesses.

[Main Strategies for Coping with the Heat]

1. Building Design and Air Conditioning

  • Most homes and public buildings are equipped with central air conditioning systems.
  • Heat-reducing strategies such as thermal insulation, reflective roofing materials, and blackout curtains are widely used.

2. Governmental Heat Measures

  • Local governments set up cooling centers where people without air conditioning—such as the elderly or homeless—can seek relief from the heat.
  • Utility companies implement peak-shift measures and energy-saving campaigns during the summer to meet electricity demand.

3. Personal Heat-Prevention Measures

  • Avoid outdoor activities during the hottest part of the day, and instead, schedule them for morning or evening hours.
  • Stay hydrated and maintain electrolyte levels, as high humidity can make it harder to sweat effectively, increasing the risk of heatstroke.
  • Wear lightweight clothing, hats, and seek shade to minimize direct sun exposure.





[Relatively Cool Areas in Arkansas]

Even within Arkansas, higher elevation areas tend to be cooler, offering relief from the summer heat.

1. Ozark Mountains

  • Located mainly in the northwestern part of the state, this hilly region has elevations between 1,600 and 2,300 feet (500–700 meters), resulting in temperatures several degrees cooler than urban areas.
  • Towns such as Eureka Springs and Mountain View are well-known summer retreats.

2. Ouachita Mountains

  • Stretching across western to south-central Arkansas, this region includes the well-known Hot Springs National Park.
  • Although known for its thermal springs, the surrounding forests help moderate the temperature, making it feel cooler than cities.

[Summary]

Category Details
Causes of Heat Humid subtropical climate, high humidity, inland geography, urban heat
Main Countermeasures Air conditioning, cooling centers, hydration, avoiding midday activity
Cooler Areas Ozark and Ouachita Mountains (e.g., Eureka Springs)

Additional Notes

The summer climate in Arkansas is similar to that of southern Japan, such as the Kansai or southern Kyushu regions, with a high discomfort index caused by humidity. While indoor air conditioning is widespread, those seeking natural relief from the heat often head to mountainous areas, which is a popular choice among locals.


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