When to go · Vientiane

Vientiane in July

Avoid month. Listed as a month to avoid: Mar–May (very hot, often 38–40°C (100–104°F), seasonal haze) and Jul–Sep (Mekong flooding, heavy rain).Avoid month. Listed as a month to avoid: Mar–May (very hot, often 100–104°F (38–40°C), seasonal haze) and Jul–Sep (Mekong flooding, heavy rain).

Key facts

Verdict: Avoid
Crowds: Low; Laos overall
Prices: Low; Laos overall

Plan around it

Verdict

AvoidBest and avoid months for Vientiane

Listed as a month to avoid: Mar–May (very hot, often 38–40°C (100–104°F), seasonal haze) and Jul–Sep (Mekong flooding, heavy rain).Listed as a month to avoid: Mar–May (very hot, often 100–104°F (38–40°C), seasonal haze) and Jul–Sep (Mekong flooding, heavy rain).

Is another month better than July?

July is rated avoid. These months rate higher:

Weather in July

Centre, Laos · Vientiane, Vang Vieng, Thakhekrainy
Dry and pleasant Nov–Feb; April tops 37 °C (99 °F); the Thakhek Loop is hard in the rains.Dry and pleasant Nov–Feb; April tops 99 °F (37 °C); the Thakhek Loop is hard in the rains.

Crowds and prices

Crowds · Laos overall: Low
Prices · Laos overall: Low

Laos overall: Steady rain; slow boats run well on high water, road legs take longer.

Compare two months

Weather, crowds and prices for any two months in Vientiane, side by side.

First month

Second month

Verdict
Jul: Avoid
Jan: Great (better)
Crowds
Jul: Low
Jan: High
Prices
Jul: Low
Jan: High
Festivals listed
Jul: 0
Jan: 1

July: Listed as a month to avoid: Mar–May (very hot, often 38–40°C, seasonal haze) and Jul–Sep (Mekong flooding, heavy rain).

January: Inside Vientiane's best window: Nov–Feb (cooler, dry, low humidity).

Vientiane: figures are long-term averages from this guide, not a forecast.

What to pack

A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Laos in July →