AUD to THB Exchange Rate History
Yearly and monthly average Australian Dollar/Thai Baht rates since 1999, with charts.
AUD to THB Chart
AUD to THB rate on a specific date
Pick any date back to 1999 to see that day’s mid-market rate. Weekends and holidays use the closest earlier trading day.
AUD to THB Rate by Year
Average, high and low mid-market rates for 1 Australian Dollar in Thai Baht, every year since 1999. Click a year for its monthly breakdown.
AUD/THB averaged 23.735 THB per AUD in September 2026, up 1.25% from August. Across 1999–2026 the yearly average has been 26.007 THB per AUD, and the biggest single-year move came in 2009, when the rate rose 23.63%.
| Year | Average | High | Low | Change |
|---|---|---|---|---|
| 2026 | 22.811 | 23.755 | 20.922 | +12.81% |
| 2025 | 21.190 | 21.805 | 20.709 | −0.50% |
| 2024 | 23.288 | 24.654 | 21.157 | −8.56% |
| 2023 | 23.107 | 23.808 | 22.484 | −0.70% |
| 2022 | 24.316 | 25.581 | 23.074 | −2.22% |
| 2021 | 24.024 | 25.073 | 22.793 | +4.57% |
| 2020 | 21.598 | 23.105 | 18.823 | +9.60% |
| 2019 | 21.584 | 23.059 | 20.454 | −7.64% |
| 2018 | 24.167 | 25.532 | 22.843 | −9.99% |
| 2017 | 26.012 | 27.018 | 24.524 | −0.89% |
| 2016 | 26.246 | 27.417 | 24.765 | −0.61% |
| 2015 | 25.737 | 27.146 | 24.533 | −1.49% |
| 2014 | 29.319 | 30.642 | 26.685 | −7.79% |
| 2013 | 29.684 | 32.034 | 27.848 | −8.00% |
| 2012 | 32.192 | 33.394 | 30.655 | −1.40% |
| 2011 | 31.473 | 33.009 | 29.409 | +5.00% |
| 2010 | 29.130 | 30.788 | 26.417 | +1.67% |
| 2009 | 27.156 | 31.048 | 21.960 | +23.63% |
| 2008 | 28.048 | 32.885 | 21.244 | −9.78% |
| 2007 | 27.054 | 29.657 | 25.129 | −8.06% |
| 2006 | 28.561 | 30.125 | 27.426 | −6.87% |
| 2005 | 30.692 | 31.982 | 29.067 | −0.94% |
| 2004 | 29.632 | 31.372 | 27.924 | +1.77% |
| 2003 | 27.035 | 29.783 | 24.250 | +22.58% |
| 2002 | 23.382 | 24.590 | 22.118 | +7.40% |
| 2001 | 23.023 | 24.635 | 21.378 | −8.17% |
| 2000 | 23.311 | 24.963 | 22.212 | −1.10% |
| 1999 | 24.435 | 27.098 | 22.345 | +9.10% |
Change compares each year’s closing rate with its opening rate. Source: European Central Bank euro foreign exchange reference rates. First and last years may be partial.
AUD to THB in 2026 by Month
Monthly average, high and low mid-market rates for 1 Australian Dollar in Thai Baht this year, newest first.
| Month | Average | High | Low |
|---|---|---|---|
| September 2026 | 23.735 | 23.755 | 23.707 |
| August 2026 | 23.443 | 23.753 | 23.272 |
| July 2026 | 23.336 | 23.653 | 22.952 |
| June 2026 | 23.108 | 23.435 | 22.886 |
| May 2026 | 23.343 | 23.470 | 23.244 |
| April 2026 | 22.916 | 23.388 | 22.493 |
| March 2026 | 22.647 | 23.151 | 22.221 |
| February 2026 | 22.049 | 22.237 | 21.876 |
| January 2026 | 21.232 | 22.049 | 20.922 |
More AUD/THB tools
- Convert AUD to THB at today’s rate
- THB to AUD exchange rate history
- About the AUD — profile & facts
- About the THB — profile & facts
- Printable AUD/THB cheat sheet
- AUD to EUR exchange rate history
- AUD to USD exchange rate history
- AUD to GBP exchange rate history
- AUD to JPY exchange rate history
- AUD to CHF exchange rate history
- AUD to CAD exchange rate history
- AUD to CNY exchange rate history
AUD/THB history FAQ
When was the AUD to THB exchange rate at its highest?
Based on daily mid-market data since 1999, the AUD/THB rate peaked in 2012 at 33.394 THB per 1 AUD. Its lowest point came in 2020, at 18.823 THB.
What was the average AUD to THB exchange rate in 2025?
In 2025, 1 AUD was worth 21.190 THB on average, ranging between a low of 20.709 and a high of 21.805 THB over the year.
How far back does this AUD/THB history go?
The chart and tables cover 1999 to 2026, built from European Central Bank euro foreign exchange reference rates. Yearly and monthly figures are averages, highs and lows of those daily mid-market rates.