Vientiane Weather in July
Vientiane in July averages 33°C (91°F) during the day and 26°C (79°F) at night. July is part of the rainy season, so frequent rainfall is typical.
Rainfall in Vientiane in July
Vientiane is in the rainy season in July, with rain on around 21 days and an average of 367 mm (14 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Vientiane in July
July in Vientiane sees highs of 33°C (91°F) and lows of 26°C (79°F) overnight. It's usually most comfortable outside during the morning and later in the day. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Vientiane in July
The area enjoys a moderate level of sunlight, with around 130 hours. It's a good balance between sunny and rainy days.
Wind Speed in Vientiane in July
Average wind conditions reach 1 m/s (2 knots) in July. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, November and December typically offer the best weather for Vientiane.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Vientiane Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Chance of Rain
70%
Precipitation
367 mm (14 in)
Rainy days
21 days
Humidity
82%
Windspeed
1 m/s (2 knots)
Sunshine
130 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vientiane typically stay consistent throughout July, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Vientiane in July
Browse day-by-day weather records for Vientiane spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vientiane historical weather extremes in July
The extremes listed below come from historical weather data collected in Vientiane from 1976 through 2025.
- On July 19, 1979, temperatures climbed to 39°C (102°F), marking the warmest July day on record.
- Vientiane experienced its chilliest July day on July 21, 2002, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in July was 21°C (70°F) (July 23, 2005).
Best Places in Laos in July
Find out more about the weather in Laos and which places have the best travel conditions in this month. See all of Laos in July →
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What to Wear in Vientiane in July
Hot weather in July means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Vientiane in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vientiane climate overview or explore weather in Laos.
