October 18 is generally a great time to visit Vientiane. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 30°C weather. It's a lively time to explore Vientiane, with most attractions operating at full capacity.
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Essential Travel Info for Vientiane
Currency
LAK
₭ Lao kip
Language
Lao
Driving
Right side
Connect
Most hotels, restaurants, cafes, bars et...
Safety
High Safety
GPI: 1.809
Vientiane Weather Forecast for October 18
"Warm & Sunny. Expect average highs of 29.6°C. 29% chance of rain."
What to Wear in Vientiane in October
Based on historical data for October 18, Vientiane typically experiences temperatures between 22.8°C and 29.6°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Vientiane
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
29.6°C
Daytime Peak
Average Low
22.8°C
Nighttime Low
Feels Like
36.2°C
🔥 Heat index effect
Rain Chance
29%
Avg 1.6mm if it rains
Cloud Cover
56%
Overcast
Pressure
1011.4 hPa
Low volatility
Vientiane Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 99% 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
🔴 44 min to burn
Type III-IV
🟡 66 min to burn
Type V-VI
🟢 110 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.6°C
Humid/Sticky
Heat Index
36.2°C
Feels hotter
😕 Best outdoor time:
Morning hours (before 11 AM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Laos
Flight Traffic
Busy
70/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~38
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Vientiane
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:04
☀️ Noon
11:55
🌇 Sunset
17:47
⏱️ Daylight
11h 42m
Wind Speed
8.6 km/h
Light breeze
Sunshine
9.1 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Vientiane
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Vientiane
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Vientiane on October 18 averages 29.6°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Vientiane Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 24
29.8°C • 15% rain
Score
96
October 25
29.8°C • 16% rain
Score
96
October 22
29.8°C • 19% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (October 18) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Vientiane Worth Visiting on October 18?
Planning a trip to Vientiane on October 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 29.6°C with a 29% historical precipitation risk.
✈️ Travel Logistics: Approximately 38 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Laos, including COVID-19.
📊 Historical Extremes: The hottest October 18 recorded in the last 30 years saw temperatures hit 32.5°C in 2025, while the coldest dropped to 20°C in 2022.