USD to THB Exchange Rate History
Yearly and monthly average United States Dollar/Thai Baht rates since 1999, with charts.
USD to THB Chart
USD 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.
USD to THB Rate by Year
Average, high and low mid-market rates for 1 United States Dollar in Thai Baht, every year since 1999. Click a year for its monthly breakdown.
USD/THB averaged 33.016 THB per USD in September 2026, up 0.01% from August. Across 1999–2026 the yearly average has been 35.084 THB per USD, and the biggest single-year move came in 2000, when the rate rose 17.20%.
| Year | Average | High | Low | Change |
|---|---|---|---|---|
| 2026 | 32.427 | 33.825 | 31.000 | +5.11% |
| 2025 | 32.878 | 34.775 | 31.045 | −7.53% |
| 2024 | 35.281 | 37.070 | 32.250 | +0.16% |
| 2023 | 34.809 | 37.110 | 32.725 | −0.55% |
| 2022 | 35.075 | 38.385 | 32.090 | +4.11% |
| 2021 | 32.016 | 33.890 | 29.860 | +11.30% |
| 2020 | 31.281 | 33.020 | 29.820 | −0.71% |
| 2019 | 31.043 | 32.295 | 29.745 | −7.90% |
| 2018 | 32.336 | 33.480 | 31.130 | −0.19% |
| 2017 | 33.938 | 35.905 | 32.505 | −8.93% |
| 2016 | 35.278 | 36.380 | 34.547 | −1.02% |
| 2015 | 34.281 | 36.600 | 32.314 | +9.39% |
| 2014 | 32.481 | 33.195 | 31.796 | −0.27% |
| 2013 | 30.731 | 32.875 | 28.600 | +7.97% |
| 2012 | 31.086 | 31.900 | 30.250 | −2.95% |
| 2011 | 30.492 | 31.780 | 29.710 | +5.32% |
| 2010 | 31.699 | 33.210 | 29.508 | −9.46% |
| 2009 | 34.316 | 36.250 | 33.115 | −4.20% |
| 2008 | 33.028 | 35.720 | 29.410 | +15.78% |
| 2007 | 32.302 | 36.062 | 29.500 | −16.81% |
| 2006 | 37.934 | 41.025 | 35.260 | −13.44% |
| 2005 | 40.286 | 42.138 | 38.230 | +5.43% |
| 2004 | 40.273 | 41.694 | 38.716 | −1.54% |
| 2003 | 41.525 | 43.262 | 39.100 | −8.19% |
| 2002 | 42.998 | 44.209 | 40.346 | −2.43% |
| 2001 | 44.505 | 45.791 | 42.275 | +0.72% |
| 2000 | 40.203 | 44.307 | 36.947 | +17.20% |
| 1999 | 37.860 | 41.517 | 36.052 | +3.38% |
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.
USD to THB in 2026 by Month
Monthly average, high and low mid-market rates for 1 United States Dollar in Thai Baht this year, newest first.
| Month | Average | High | Low |
|---|---|---|---|
| September 2026 | 33.016 | 33.265 | 32.875 |
| August 2026 | 33.012 | 33.335 | 32.675 |
| July 2026 | 33.510 | 33.825 | 33.135 |
| June 2026 | 32.885 | 33.430 | 32.515 |
| May 2026 | 32.512 | 32.700 | 32.145 |
| April 2026 | 32.277 | 32.765 | 31.875 |
| March 2026 | 32.271 | 32.950 | 31.480 |
| February 2026 | 31.259 | 31.775 | 31.000 |
| January 2026 | 31.296 | 31.540 | 31.035 |
More USD/THB tools
- Convert USD to THB at today’s rate
- THB to USD exchange rate history
- About the USD — profile & facts
- About the THB — profile & facts
- Printable USD/THB cheat sheet
- USD to EUR exchange rate history
- USD to GBP exchange rate history
- USD to JPY exchange rate history
- USD to CHF exchange rate history
- USD to CAD exchange rate history
- USD to AUD exchange rate history
- USD to CNY exchange rate history
USD/THB history FAQ
When was the USD to THB exchange rate at its highest?
Based on daily mid-market data since 1999, the USD/THB rate peaked in 2001 at 45.791 THB per 1 USD. Its lowest point came in 2013, at 28.600 THB.
What was the average USD to THB exchange rate in 2025?
In 2025, 1 USD was worth 32.878 THB on average, ranging between a low of 31.045 and a high of 34.775 THB over the year.
How far back does this USD/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.