Laos Vientiane Weather in July — Climate Guide
July in Vientiane is moderate
July is moderate for Vientiane.
July is monsoon peak — rainfall 280mm + 19 rainy days. Days 31°C / 88°F + nights 24°C / 75°F. Despite the rain, European summer holiday + Korean summer break drive a regional inbound surge. Hotel pricing climbs from June lows — boutique $50-100/night, Crowne Plaza + Settha Palace $220-450.
Khao Phansa (Buddhist Lent starts, July full moon, varies year-by-year) brings the year's first major Buddhist religious observance. Wat Si Saket + Pha That Luang host evening candlelit processions + monk ordinations. Photographically atmospheric + culturally significant.
Travel score
Monsoon peak + European/Korean summer holiday paradox
July Weather at a Glance
July averages 88°F / 31°C highs and 75°F / 24°C lows with 19 rainy days and 280mm of rain. Humidity 82%. UV 10. Sunshine drops to 5.5 hours. Sea/swim 28°C. Year's monsoon peak begins.
July Travel Advice
Travel insurance with cancellation coverage essential. Khao Phansa (July full moon, varies) — Pha That Luang or Wat Si Saket candlelit ceremony at 19:00. Korean summer break drives 2-3 week hotel + flight surge — book 4-6 weeks ahead. Hotels have generators for power cuts but Wi-Fi outages 1-3h common.
Flying In from Overseas
European summer holiday + Korean summer break + Japanese summer vacation all stack. Flights via Bangkok or Hanoi $350-650 from East Asia / Australia. European inbound from London, Frankfurt, Paris.
July Pricing Trends
30% off peak: boutique $50-100/night, Crowne Plaza $220-450, Settha Palace $150-340. Buddha Park tuk-tuk $8-10. Flights $350-650 from East Asia / Australia.
Vientiane July Weather Stats
Avg High
31°C
Avg Low
24°C
Rainy Days
19
280mm total
Sunshine
5.5h
Daily avg
Humidity
82%
very humid
UV Index
10
Very high
Wind
8 km/h
Gusts 20
Sea Temp
28°C
swimming Mekong tributary
Crowds
Moderate
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
22 μg/m³
PM10
38 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
36°C
Nighttime
25°C
Humidity and wind affect how the actual temperature feels.
Wind
8 km/h
Max gust 20 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- European + Korean summer holiday cultural variety
- Khao Phansa Buddhist Lent atmospheric
- Pricing still 30% off peak
Cons
- Year's monsoon peak
- Weekly power cuts heavier
- Photography limited
July Events & Festivals
- European + Korean summer holiday peak
- Khao Phansa (Buddhist Lent starts, July full moon) — temple candlelit ceremonies
- Year's monsoon peak begins
- Power cuts weekly + heavier
Vientiane in July — Full Picture
July is monsoon peak — rainfall 280mm + 19 rainy days. Days 31°C / 88°F + nights 24°C / 75°F. Despite the rain, European summer holiday + Korean summer break drive a regional inbound surge. Hotel pricing climbs from June lows — boutique $50-100/night, Crowne Plaza + Settha Palace $220-450.
Khao Phansa (Buddhist Lent starts, July full moon, varies year-by-year) brings the year's first major Buddhist religious observance. Wat Si Saket + Pha That Luang host evening candlelit processions + monk ordinations. Photographically atmospheric + culturally significant.
Mekong slow boats outside Vientiane have 30-50% suspension risk during heavy rain weeks. Plan Vientiane city-based itinerary + Buddha Park indoor-friendly schedule. Hotel pool + spa + cooking class become the daytime norm.
What to Wear & What to Pack
Monsoon peak begins. Daily 2+ hours afternoon storms. Quick-dry + rain shell + waterproof phone case essential. Days 31°C / 88°F + nights 24°C / 75°F.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
33.7°C
23.3°C
7.3/mo
Summer (Jun·Jul·Aug)
Current31.3°C
24°C
18/mo
Autumn (Sep·Oct·Nov)
30°C
21.3°C
11/mo
Winter (Dec·Jan·Feb)
29°C
17.7°C
1/mo
Vientiane Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 28° | 17° | 1d·7mm | 8.5h | 70% | 8 | Busy | Peak |
| February (Best) | 31° | 19° | 1d·15mm | 9h | 65% | 9 | Busy | Peak |
| 33° | 22° | 2d·30mm | 8.5h | 60% | 11 | Moderate | Shoulder | |
| 35° | 24° | 6d·90mm | 8h | 65% | 11 | Busy | Peak | |
| 33° | 24° | 14d·200mm | 6.5h | 75% | 10 | Moderate | Low season | |
| 32° | 24° | 16d·240mm | 6h | 80% | 10 | Quiet | Low season | |
| 31° | 24° | 19d·280mm | 5.5h | 82% | 10 | Moderate | Shoulder | |
| 31° | 24° | 19d·300mm | 5h | 83% | 9 | Moderate | Shoulder | |
| 31° | 23° | 19d·320mm | 5h | 83% | 9 | Quiet | Low season | |
| 30° | 22° | 11d·150mm | 7h | 78% | 9 | Moderate | Low season | |
| November (Best) | 29° | 19° | 3d·25mm | 8.5h | 70% | 8 | Very busy | Peak |
| December (Best) | 28° | 17° | 1d·7mm | 8.5h | 70% | 8 | Busy | Peak |
View Other Months
Vientiane July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Vientiane?
Vientiane in July is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Vientiane in July?
Vientiane July averages a high of 31°C and a low of 24°C.
Does it rain much in Vientiane in July?
Vientiane July averages 280mm of rainfall over about 19 rainy days.
What should I wear in Vientiane in July?
Monsoon peak begins. Daily 2+ hours afternoon storms. Quick-dry + rain shell + waterproof phone case essential. Days 31°C / 88°F + nights 24°C / 75°F.
What time are sunrise and sunset in Vientiane in July?
Vientiane July sunrise is 05:55 and sunset is 18:35, with 12h 40min of daylight.
What's the air quality like in Vientiane in July?
Vientiane July air quality (AQI) averages 48, rated Good. PM2.5 averages 22μg/m³.
What activities are recommended in Vientiane in July?
In July, Vientiane is great for Hotel pool + spa family stays, Lao cooking class, Khao Phansa temple candlelit ceremony.
Is July peak season in Vientiane?
Vientiane July crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Vientiane
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.