THB to AUD Exchange Rate History
Yearly and monthly average Thai Baht/Australian Dollar rates since 1999, with charts.
THB to AUD Chart
THB to AUD 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.
THB to AUD Rate by Year
Average, high and low mid-market rates for 1 Thai Baht in Australian Dollar, every year since 1999. Click a year for its monthly breakdown.
THB/AUD averaged 0.042135 AUD per THB in September 2026, down 1.22% from August. Across 1999–2026 the yearly average has been 0.039065 AUD per THB, and the biggest single-year move came in 2009, when the rate fell 19.11%.
| Year | Average | High | Low | Change |
|---|---|---|---|---|
| 2026 | 0.043879 | 0.047798 | 0.042097 | −11.40% |
| 2025 | 0.047196 | 0.048289 | 0.045860 | +0.50% |
| 2024 | 0.042998 | 0.047266 | 0.040561 | +9.36% |
| 2023 | 0.043285 | 0.044476 | 0.042002 | +0.71% |
| 2022 | 0.041149 | 0.043340 | 0.039091 | +2.27% |
| 2021 | 0.041641 | 0.043873 | 0.039883 | −4.37% |
| 2020 | 0.046388 | 0.053127 | 0.043282 | −8.76% |
| 2019 | 0.046397 | 0.048889 | 0.043367 | +8.27% |
| 2018 | 0.041403 | 0.043776 | 0.039167 | +11.10% |
| 2017 | 0.038464 | 0.040777 | 0.037013 | +0.90% |
| 2016 | 0.038116 | 0.040380 | 0.036474 | +0.62% |
| 2015 | 0.038869 | 0.040762 | 0.036837 | +1.51% |
| 2014 | 0.034145 | 0.037474 | 0.032635 | +8.45% |
| 2013 | 0.033721 | 0.035910 | 0.031217 | +8.70% |
| 2012 | 0.031074 | 0.032621 | 0.029945 | +1.42% |
| 2011 | 0.031793 | 0.034004 | 0.030295 | −4.76% |
| 2010 | 0.034363 | 0.037854 | 0.032480 | −1.64% |
| 2009 | 0.037189 | 0.045537 | 0.032208 | −19.11% |
| 2008 | 0.036123 | 0.047071 | 0.030409 | +10.84% |
| 2007 | 0.037001 | 0.039794 | 0.033718 | +8.77% |
| 2006 | 0.035026 | 0.036462 | 0.033195 | +7.37% |
| 2005 | 0.032596 | 0.034403 | 0.031268 | +0.95% |
| 2004 | 0.033773 | 0.035812 | 0.031875 | −1.74% |
| 2003 | 0.037070 | 0.041238 | 0.033577 | −18.42% |
| 2002 | 0.042804 | 0.045211 | 0.040667 | −6.89% |
| 2001 | 0.043470 | 0.046776 | 0.040593 | +8.90% |
| 2000 | 0.042927 | 0.045021 | 0.040060 | +1.11% |
| 1999 | 0.040971 | 0.044752 | 0.036903 | −8.34% |
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.
THB to AUD in 2026 by Month
Monthly average, high and low mid-market rates for 1 Thai Baht in Australian Dollar this year, newest first.
| Month | Average | High | Low |
|---|---|---|---|
| September 2026 | 0.042135 | 0.042182 | 0.042097 |
| August 2026 | 0.042657 | 0.042970 | 0.042100 |
| July 2026 | 0.042856 | 0.043570 | 0.042278 |
| June 2026 | 0.043277 | 0.043696 | 0.042671 |
| May 2026 | 0.042839 | 0.043021 | 0.042608 |
| April 2026 | 0.043643 | 0.044459 | 0.042756 |
| March 2026 | 0.044161 | 0.045003 | 0.043195 |
| February 2026 | 0.045355 | 0.045711 | 0.044969 |
| January 2026 | 0.047111 | 0.047798 | 0.045354 |
More THB/AUD tools
- Convert THB to AUD at today’s rate
- AUD to THB exchange rate history
- About the THB — profile & facts
- About the AUD — profile & facts
- Printable THB/AUD cheat sheet
- THB to EUR exchange rate history
- THB to USD exchange rate history
- THB to GBP exchange rate history
- THB to JPY exchange rate history
- THB to CHF exchange rate history
- THB to CAD exchange rate history
- THB to CNY exchange rate history
THB/AUD history FAQ
When was the THB to AUD exchange rate at its highest?
Based on daily mid-market data since 1999, the THB/AUD rate peaked in 2020 at 0.053127 AUD per 1 THB. Its lowest point came in 2012, at 0.029945 AUD.
What was the average THB to AUD exchange rate in 2025?
In 2025, 1 THB was worth 0.047196 AUD on average, ranging between a low of 0.045860 and a high of 0.048289 AUD over the year.
How far back does this THB/AUD 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.