April 18 sees frequent showers in Phuket. Historical data shows a 54% chance of rain, so pack accordingly. Temperatures average 30°C. Phuket is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Phuket
Currency
THB
฿ Thai baht
Language
Thai
Driving
Left side
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Safety
Moderate Safety
GPI: 2.098
Phuket Weather Forecast for April 18
"Rainy & Overcast. Expect average highs of 30.4°C. 54% chance of rain."
What to Wear in Phuket in April
Based on historical data for April 18, Phuket typically experiences temperatures between 26.4°C and 30.4°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 54% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Phuket
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
30.4°C
Daytime Peak
Average Low
26.4°C
Nighttime Low
Feels Like
38.9°C
🔥 Heat index effect
Rain Chance
54%
Avg 4.2mm if it rains
Cloud Cover
71%
Moderate rain
Pressure
1009.4 hPa
Low volatility
Phuket Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 79% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26.5°C
Humid/Sticky
Heat Index
38.9°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Thailand
Flight Traffic
High
88/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~156
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Phuket
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:17
☀️ Noon
12:27
🌇 Sunset
18:36
⏱️ Daylight
12h 18m
Wind Speed
12.3 km/h
Gentle breeze
Sunshine
10.4 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Phuket
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Phuket
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Cyclone Risk
Season: Apr - Dec
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Phuket on April 18 averages 30.4°C with a 54% precipitation probability. Wedding/Outdoor Event Score: 73/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Phuket Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
April 15
30.7°C • 51% rain
Score
76
April 16
30.6°C • 53% rain
Score
74
April 19
30.4°C • 53% rain
Score
74
💡 Moving your event by a few days could significantly improve weather conditions
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🌍 Explore the same date in different destinations around the world
📍 Is Phuket Worth Visiting on April 18?
Planning a trip to Phuket on April 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.4°C with a 54% historical precipitation risk.
✈️ Travel Logistics: Approximately 156 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Thailand, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 31°C (hot soup). Wave conditions are generally lake-like with heights around 0.39m.
📊 Historical Extremes: The hottest April 18 recorded in the last 30 years saw temperatures hit 33.8°C in 2024, while the coldest dropped to 25.1°C in 2020.