USD to STN Exchange Rate History

Yearly and monthly average United States Dollar/São Tomé and Príncipe Dobra rates since 2021, with charts.

USD to STN Chart

United States Dollar to São Tomé and Príncipe Dobra, 2021–2026
USD to STN exchange rate history chart, 2021 to 2026.

USD 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.

USD to STN Rate by Year

Average, high and low mid-market rates for 1 United States Dollar in São Tomé and Príncipe Dobra, every year since 2021. Click a year for its monthly breakdown.

USD/STN averaged 21.375 STN per USD in September 2026, down 0.04% from August. Across 2021–2026 the yearly average has been 22.294 STN per USD, and the biggest single-year move came in 2025, when the rate fell 11.01%.

Year Average High Low Change
2026 21.183 21.466 20.848 +1.47%
2025 21.881 23.918 20.888 −11.01%
2024 22.744 23.621 22.088 +5.97%
2023 22.886 23.641 22.024 −3.63%
2022 23.526 25.791 21.500 +6.29%
2021 21.546 22.093 20.941 +4.31%

Change compares each year’s closing rate with its opening rate. Source: daily mid-market rates. First and last years may be partial.

USD to STN in 2026 by Month

Monthly average, high and low mid-market rates for 1 United States Dollar in São Tomé and Príncipe Dobra this year, newest first.

Month Average High Low
September 2026 21.375 21.382 21.369
August 2026 21.383 21.447 21.360
July 2026 21.428 21.466 21.367
June 2026 21.222 21.410 21.099
May 2026 21.069 21.108 21.000
April 2026 21.144 21.297 21.021
March 2026 21.103 21.262 20.848
February 2026 20.929 21.012 20.849
January 2026 21.092 21.164 20.959

See 2026 in detail with a daily chart

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