Pattaya Humidity & Health
Heat stroke, skin problems, hydration, and mold — how to stay healthy in 30–35°C and 80% humidity.
30–35°C
Average Temperature
70–90%
Humidity Range
3–4L
Daily Water Needed
14 Days
Basic Acclimatization
Heat Stroke & Heat Exhaustion
Pattaya's heat index regularly exceeds 40°C. Heat exhaustion symptoms: heavy sweating, weakness, cold/clammy skin, nausea. Heat stroke: high body temperature (40°C+), red/dry skin, rapid pulse, confusion. Heat stroke is a medical emergency — call 1669. Move to AC, apply ice packs to neck/armpits/groin, and hydrate with electrolytes, not just water.
Hydration — More Than You Think
In Pattaya's humidity, you need 3–4 liters of water daily, more if exercising or drinking alcohol. Don't wait until you're thirsty — by then you're already dehydrated. Add electrolytes (ORS packets from 7-Eleven, 5–15 THB) or coconut water. Avoid excessive coffee and alcohol as they're diuretic. Urine should be pale yellow — dark means dehydrated.
Skin Problems — Fungal Infections
High humidity (70–90%) creates perfect conditions for fungal infections. Jock itch, athlete's foot, and ringworm are extremely common. Use antifungal powder (Prickly Heat brand, 40–60 THB) on skin folds daily. Shower immediately after sweating. Wear loose cotton or moisture-wicking clothes. Canesten cream (100–150 THB at any pharmacy) treats most infections.
Exercise Safely in the Heat
Never exercise outdoors between 11am–3pm. Early morning (6–7am) or evening (after 5pm) only. Reduce intensity by 30% compared to cooler climates for the first 2–4 weeks. Air-conditioned gyms are the safest option. If running outside, carry water, tell someone your route, and watch for dizziness or nausea — stop immediately if these occur.
Prickly Heat (Heat Rash)
Red, itchy bumps caused by blocked sweat glands — very common in the first few weeks. Shower frequently, use calamine lotion or Prickly Heat powder (a Thai staple), wear loose clothing, and stay in AC when possible. It usually resolves in 1–2 weeks as your body acclimatizes. Avoid heavy moisturizers that block pores.
Eye & Contact Lens Issues
Humidity combined with air pollution can irritate eyes. Contact lens wearers should use rewetting drops frequently and switch to daily disposables if possible. Keep a pair of glasses as backup. AC environments are dry and worsen lens discomfort. Eye infections are more common in humid climates — wash hands before touching lenses.
Managing Home Humidity
Indoor humidity above 60% promotes mold, dust mites, and musty smells. Invest in a dehumidifier (3,000–8,000 THB at HomePro or Global House). Use silica gel packets in closets and drawers. Run AC regularly — it naturally dehumidifies. Check for mold behind furniture and in bathrooms monthly. Ventilate when possible.
Mold & Respiratory Health
Mold thrives in Pattaya's humidity and can cause chronic coughing, asthma flare-ups, and allergic reactions. Clean visible mold with bleach solution (1:10 ratio). Use HEPA air purifiers (2,000–10,000 THB) in bedrooms. If you develop a persistent cough after moving to Pattaya, get checked for mold-related respiratory issues at any hospital.
Cardiovascular Strain
Heat and humidity increase cardiovascular workload. Your heart works harder to cool your body. People with heart conditions should consult their doctor before relocating. Monitor blood pressure regularly — heat can cause temporary drops. Stay hydrated, avoid sudden temperature changes (hot outside → freezing AC), and take breaks in shade.
Acclimatization Timeline
Full heat acclimatization takes 10–14 days of gradual exposure. During this period: keep AC at 25–27°C (not ice cold), spend increasing time outdoors each day, exercise at reduced intensity, and hydrate aggressively. Don't try to tough it out — your body needs time. After 2–4 weeks, you'll handle the heat much better. Complete adaptation takes 3–6 months.