May 31 sees frequent showers in Bangkok. Historical data shows a 57% chance of rain, so pack accordingly. Temperatures average 33°C. Expect a bustling atmosphere in Bangkok right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Bangkok
Currency
THB
฿ Thai baht
Language
Thai
Driving
Left side
Connect
Prepaid SIM cards for tourists are readi...
Safety
Moderate Safety
GPI: 2.098
Bangkok Weather Forecast for May 31
"Rainy & Overcast. Expect average highs of 32.6°C. 57% chance of rain."
What to Wear in Bangkok in May
Based on historical data for May 31, Bangkok typically experiences temperatures between 26.3°C and 32.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 57% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Bangkok
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
32.6°C
Daytime Peak
Average Low
26.3°C
Nighttime Low
Feels Like
45.7°C
🔥 Heat index effect
Rain Chance
57%
Avg 3.7mm if it rains
Cloud Cover
85%
Moderate rain
Pressure
1007.1 hPa
Low volatility
Bangkok Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 98% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 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
28.2°C
Humid/Sticky
Heat Index
45.7°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
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
~489
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Bangkok
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:50
☀️ Noon
12:17
🌇 Sunset
18:43
⏱️ Daylight
12h 52m
Wind Speed
14.8 km/h
Gentle breeze
Sunshine
9.8 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Bangkok
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Bangkok
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Unhealthy for sensitive groups. Consider wearing a mask outdoors.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Bangkok on May 31 averages 32.6°C with a 57% precipitation probability. Wedding/Outdoor Event Score: 71/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Bangkok Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
June 2
32.8°C • 50% rain
Score
76
June 5
32.7°C • 50% rain
Score
76
May 24
32.8°C • 52% rain
Score
74
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Bangkok Worth Visiting on May 31?
Planning a trip to Bangkok on May 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 32.6°C with a 57% historical precipitation risk.
✈️ Travel Logistics: Approximately 489 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 11 vaccinations are recommended for Thailand, including COVID-19.
📊 Historical Extremes: The hottest May 31 recorded in the last 30 years saw temperatures hit 33.2°C in 2020, while the coldest dropped to 25.1°C in 2018.