AUD to STN Exchange Rate History
Yearly and monthly average Australian Dollar/São Tomé and Príncipe Dobra rates since 2021, with charts.
AUD to STN Chart
AUD to STN rate on a specific date
Pick any date back to 2021 to see that day’s mid-market rate. Weekends and holidays use the closest earlier trading day.
AUD to STN Rate by Year
Average, high and low mid-market rates for 1 Australian Dollar in São Tomé and Príncipe Dobra, every year since 2021. Click a year for its monthly breakdown.
AUD/STN averaged 15.030 STN per AUD in October 2026, down 1.37% from September. Across 2021–2026 the yearly average has been 15.219 STN per AUD, and the biggest single-year move came in 2026, when the rate rose 7.86%.
| Year | Average | High | Low | Change |
|---|---|---|---|---|
| 2026 | 14.919 | 15.433 | 14.056 | +7.86% |
| 2025 | 14.096 | 15.091 | 13.441 | −3.72% |
| 2024 | 15.005 | 15.429 | 14.611 | −3.27% |
| 2023 | 15.205 | 16.188 | 14.567 | −3.72% |
| 2022 | 16.320 | 17.286 | 15.295 | −0.29% |
| 2021 | 15.770 | 16.095 | 15.313 | −1.17% |
Change compares each year’s closing rate with its opening rate. Source: daily mid-market rates. First and last years may be partial.
AUD to STN in 2026 by Month
Monthly average, high and low mid-market rates for 1 Australian Dollar in São Tomé and Príncipe Dobra this year, newest first.
| Month | Average | High | Low |
|---|---|---|---|
| October 2026 | 15.030 | 15.175 | 14.861 |
| September 2026 | 15.239 | 15.433 | 14.990 |
| August 2026 | 15.179 | 15.375 | 15.008 |
| July 2026 | 14.920 | 15.028 | 14.783 |
| June 2026 | 14.902 | 15.151 | 14.722 |
| May 2026 | 15.138 | 15.279 | 14.992 |
| April 2026 | 14.961 | 15.169 | 14.664 |
| March 2026 | 14.799 | 15.050 | 14.533 |
| February 2026 | 14.757 | 14.907 | 14.529 |
| January 2026 | 14.279 | 14.790 | 14.056 |
More AUD/STN tools
- Convert AUD to STN at today’s rate
- STN to AUD exchange rate history
- About the AUD — profile & facts
- About the STN
- Printable AUD/STN 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/STN history FAQ
When was the AUD to STN exchange rate at its highest?
Based on daily mid-market data since 2021, the AUD/STN rate peaked in 2022 at 17.286 STN per 1 AUD. Its lowest point came in 2025, at 13.441 STN.
What was the average AUD to STN exchange rate in 2025?
In 2025, 1 AUD was worth 14.096 STN on average, ranging between a low of 13.441 and a high of 15.091 STN over the year.
How far back does this AUD/STN history go?
The chart and tables cover 2021 to 2026, built from daily mid-market rates. Yearly and monthly figures are averages, highs and lows of those daily mid-market rates.