August · Thailand
Best time to visit Chiang Rai in August Weather, crowds & prices
Weather in Chiang Rai in August
Average temperature 26°C, 345 mm of rain, about 15 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
3.6/10
Ranked #11 of 12 months
- Avg temp
- 26°C
- Rainfall
- 345 mm
- Humidity
- 85%
- Days with 6h+ sun
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
August in Chiang Rai scores 3.6/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 26°C, 345 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Chiang Rai's white temple, golden clock tower and hill villages fill Thailand's far north.
August in Chiang Rai — the hardest end of the year
At 26°C (79°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Expect monsoon-level rainfall at 345 mm: only about 15 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 3.6/10 on the same scale — 11th of 12 months, versus 9.8/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, February is materially better in Chiang Rai — 6.2 points higher on the same scale.
Frequently asked
- What is the weather like in Chiang Rai in August?
- In August, Chiang Rai averages 26°C, 345 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 3.6/10.
- Is August a good time to visit Chiang Rai?
- August earns a 3.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Chiang Rai in August?
- Expect about 345 mm of rain in August. Average humidity is 85% and there are about 15 days with 6+ hours of sunshine.
Curated in Chiang Rai
Tickets & experiences
Things to do in Chiang Rai
Chiang Rai, Thailand. Live activities and tours from GetYourGuide, matched to this destination.