January 4 is statistically one of the best days of the year in Bangkok. With minimal rain risk (3%) and pleasant highs of 31°C, it's ideal for outdoor adventures. Bangkok is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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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 January 4
"Warm & Sunny. Expect average highs of 31.3°C. 3% chance of rain."
What to Wear in Bangkok in January
Based on historical data for January 4, Bangkok typically experiences temperatures between 21.4°C and 31.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (3% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Bangkok
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
31.3°C
Daytime Peak
Average Low
21.4°C
Nighttime Low
Feels Like
35.8°C
🔥 Feels warmer
Rain Chance
3%
Avg 0mm if it rains
Cloud Cover
44%
Overcast
Pressure
1012.5 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 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.9°C
Humid/Sticky
Heat Index
35.8°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
96/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~533
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Bangkok
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:43
☀️ Noon
12:23
🌇 Sunset
18:03
⏱️ Daylight
11h 20m
Wind Speed
10.6 km/h
Light breeze
Sunshine
10.0 hrs
Direct Sun (Cloud-free)
Humidity
61%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Bangkok
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Bangkok
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
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 January 4 averages 31.3°C with a 3% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— 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
December 28
30.9°C • 3% rain
Score
99
December 29
31.1°C • 2% rain
Score
99
December 30
31.1°C • 2% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Bangkok Worth Visiting on January 4?
Planning a trip to Bangkok on January 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31.3°C with a 3% historical precipitation risk.
✈️ Travel Logistics: Approximately 533 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 January 4 recorded in the last 30 years saw temperatures hit 33.9°C in 2025, while the coldest dropped to 20.8°C in 2021.