Weather in Chiang Mai in August
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for August in Chiang Mai.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn August, Chiang Mai sees average highs of 29.6°C (85.3°F) and lows of 23.6°C. Conditions are hot and extremely wet, with heavy downpours most days, with roughly 7.6 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Chiang Mai — every month compared. Once you know when to go, find your Chiang Mai packing list at 247PackingList.
Get ready for Chiang Mai in August
Search flights to Chiang Mai
Compare 100+ airlines for August — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Chiang Mai in August
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Chiang Mai
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 27.7°C | 12.1mm | 10/10 |
| February | 30.0°C | 47.1mm | 10/10 |
| March | 34.5°C | 15.3mm | 10/10 |
| April | 34.8°C | 94.1mm | 10/10 |
| May | 33.7°C | 191.0mm | 9/10 |
| June | 31.9°C | 219.9mm | 8/10 |
| July | 30.7°C | 343.1mm | 8/10 |
| August | 29.6°C | 416.6mm | 8/10 |
| September | 29.4°C | 424.5mm | 8/10 |
| October | 28.9°C | 203.4mm | 8/10 |
| November | 29.0°C | 64.5mm | 10/10 |
| December | 27.4°C | 20.8mm | 10/10 |
Full month-by-month guide: best time to visit Chiang Mai →
For facts about Thailand — currency, language and dialling code — see our Thailand country guide at 247CountryInfo. Travellers also find it useful to keep a Chiang Mai travel guide to hand. Check clothing sizes in Thailand before you shop.
Frequently Asked Questions
Is August a good time to visit Chiang Mai?
August rates 8/10 for visiting Chiang Mai — good time to visit. Expect average highs of 29.6°C, 416.6mm of rain across the month and about 7.6 hours of daily sunshine.
What is the temperature in Chiang Mai in August?
In August, Chiang Mai has average highs of 29.6°C (85.3°F) and average lows of 23.6°C (74.5°F).
Does it rain in Chiang Mai in August?
Yes — August is one of the wetter months in Chiang Mai, averaging 416.6mm of rain over roughly 30 rainy days. Pack for heavy showers.
What should I wear in Chiang Mai in August?
For Chiang Mai in August (29.6°C highs / 23.6°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Chiang Mai in August
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.