Hot Days, Cooler Nights: Can Temperature Changes Affect Your Health?August in Atlanta often means hot, humid afternoons, cooler nights, and frequent transitions between outdoor heat and strongly air-conditioned buildings.
As summer gradually moves toward fall, many people notice congestion, headaches, fatigue, poor sleep, or simply feeling more sensitive to changing weather.
So, can sudden temperature changes actually make you sick?
The answer is more complicated than simply saying that cold weather causes a cold.
Temperature Changes Don’t Cause a Cold — Viruses Do
A sudden drop in temperature does not directly give you a cold, flu, COVID-19, or another respiratory infection. These illnesses are caused by viruses or other infectious organisms.
However, research suggests that larger temperature fluctuations may be associated with respiratory illness.
Scientists often measure the diurnal temperature range (DTR) — the difference between the highest and lowest temperatures during a 24-hour period.
What Does the Research Show?
One study examining emergency-room visits for respiratory tract infections found that each 1°C increase in daily temperature range was associated with approximately a 0.94% increase in respiratory infection ER visits.
Another study found that each 1°C increase in temperature range was associated with approximately a 0.73% increase in outpatient visits for upper respiratory tract infections, with stronger effects observed during autumn and winter.
These studies show an association, not direct causation. Temperature changes don’t create viruses, but environmental changes may influence respiratory health and how our bodies respond.
Why Might Changing Weather Affect Us?
There probably isn’t one single explanation.
Changes in temperature and humidity may affect the nose and respiratory tract. Weather changes can also influence how much time we spend indoors, our sleep and activity patterns, and our contact with other people.
In Atlanta, air conditioning adds another dramatic temperature change. During late summer, we may repeatedly move between hot, humid outdoor conditions and much cooler indoor environments.
None of this means that air conditioning or cooler weather causes an infection. Instead, weather is one of several environmental factors that may affect how we feel.
A Traditional Chinese Medicine Perspective
Traditional Chinese medicine has long emphasized the relationship between the body, environment, and changing seasons.
Changes in climate, sleep, diet, stress, activity, and an individual’s constitution may all be considered when evaluating patterns of symptoms.
Modern epidemiology approaches health very differently, but research on temperature variability provides an interesting modern perspective on the relationship between environmental changes and health.
Staying Well During Changing Weather
You don’t need to worry every time a cool night follows a hot day. A few simple habits can help during seasonal transitions:
- Get enough sleep to support normal immune function and recovery.
- Stay hydrated, especially during Atlanta’s hot and humid late summer.
- Dress for temperature changes, particularly when moving between outdoor heat and heavily air-conditioned spaces.
- Pay attention to allergies. Late summer and early fall can bring changing pollen levels, and congestion or sneezing isn’t always an infection.
- Seek medical care when appropriate. Fever, persistent cough, shortness of breath, or worsening symptoms should not simply be blamed on the weather.
Where Does Acupuncture Fit?
Acupuncture is not a substitute for vaccination, medical evaluation, or treatment of an acute respiratory infection.
However, acupuncture and traditional Chinese medicine may be used as part of a broader approach to health during seasonal transitions. Patients often seek care for concerns such as headaches, neck and shoulder tension , stress, sleep difficulties, sinus or allergy symptoms, and other recurring seasonal complaints.
Acupuncture has also been studied specifically for allergic rhinitis. A 2026 systematic review and meta-analysis included 38 randomized controlled trials involving 3,349 participants. The analysis found improvements in nasal symptom scores and quality-of-life measures with acupuncture-related therapies compared with conventional medication alone in the included studies.
The researchers also cautioned that the quality of evidence for some outcomes remained low, and larger, high-quality clinical trials are still needed.
Seasonal Health in Sandy Springs and Atlanta
Atlanta’s combination of late-summer heat, humidity, air conditioning, pollen, and changing temperatures makes August and September a noticeable seasonal transition.
If you notice recurring headaches, sinus symptoms, allergies, sleep problems, or muscle tension when the seasons change, it may be useful to look at the overall pattern.
At Metro Acupuncture in Sandy Springs, our licensed acupuncturists provide individualized acupuncture and traditional Chinese medicine care based on each patient’s symptoms, health history, and treatment goals.
Learn more about our acupuncture services or schedule an appointment.
Written by Fang Wan, DAOM, L.Ac.
References
- Liang WM, et al. Association between diurnal temperature range and respiratory tract infections. Environmental Pollution. 2014.
- Zhang F, et al. The association between diurnal temperature range and clinic visits for upper respiratory tract infection among college students in Wuhan, China. Environmental Science and Pollution Research. 2022.
- Centers for Disease Control and Prevention. Respiratory Illnesses Data Channel.
- Ma J, Peng M, Song YG, Xu XJ. Efficacy and safety of acupuncture-related therapies in the treatment of allergic rhinitis: a systematic review and meta-analysis. Frontiers in Medicine. 2026;13:1835311.
This article is for educational purposes only and is not intended to diagnose or treat any medical condition. Seek appropriate medical care for significant or worsening symptoms.
