Chiang Rai
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Chiang Rai Weather in August

August in Chiang Rai averages 32°C (90°F) during the day and 24°C (75°F) at night. It is the wettest month of the year, with 366 mm (14 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Chiang Rai in August

As part of the rainy season, Chiang Rai sees around 23 days of rain in August, with an average of 366 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 Chiang Rai in August

Chiang Rai in August gets highs of 32°C (90°F) during the day and drops to 24°C (75°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Chiang Rai in August

The month brings about 117 hours of sunlight, offering a comfortable mix of sun and rainy moments.

August in Chiang Rai can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Chiang Rai Temperature in August

Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
78%
Precipitation
366 mm (14 in)
Rainy days
23 days
Humidity
84%
Sunshine
117 hours
Percentage Sunshine

Chiang Rai Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Chiang Rai - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Chiang Rai typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in August

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 August

Historical weather records for Chiang Rai in August

Browse day-by-day weather records for Chiang Rai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Chiang Rai historical weather extremes in August

Based on 50 years of weather observations in Chiang Rai between 1976 and 2026, these are the recorded extremes.

  • The hottest August day on record in Chiang Rai reached 36°C (97°F) (August 25, 2012).
  • Chiang Rai experienced its chilliest August day on August 23, 1993, reaching only 24°C (75°F).
  • The coldest night in August in Chiang Rai was on August 12, 1996, with a minimum of 22°C (72°F).

Best Places in Thailand in August

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Chiang Rai in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Chiang Rai in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Chiang Rai 3-Day Forecast

More climate data for Chiang Rai

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.