THB to AUD Exchange Rate History

Yearly and monthly average Thai Baht/Australian Dollar rates since 1999, with charts.

THB to AUD Chart

Thai Baht to Australian Dollar, 1999–2026
THB to AUD exchange rate history chart, 1999 to 2026.

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%.

THB to AUD exchange rate by year since 1999: yearly average, high, low and change.
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.

THB to AUD exchange rate by month in 2026: monthly average, high and low.
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

See 2026 in detail with a daily chart