2025 THB to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2025.
2025 THB to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2025
During 2025, the THB to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on December 25, valuing the pair at 539.7778. Conversely, the yearly low was recorded on January 6, dropping to 467.9923.
This high-to-low spread represents a total annual volatility of 71.7855 IDR. From a start-to-finish perspective, comparing the January average rate of 475.1039 to the December average rate of 529.4041, the exchange rate registered a net change of 11.43% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2025 high of 539.7778 was up 13.54% compared to the 2024 peak of 475.4152, indicating shifts in long-term support levels.
Comparing the value generated converting 250,000 THB based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2025.
THB to IDR Seasonal Trends & Volatility Analysis
A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.
Seasonal Halves (H1 vs H2)
SeasonalThe average exchange rate in the first half of the year (H1: Jan–Jun) was 490.4300, compared to 512.8413 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 22.4113 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2025 was April, with a trading range of 25.2030 IDR (High: 508.8899 / Low: 483.6869). On the other end, February was the most stable month, with a tight range of 6.4801 IDR (High: 486.2609 / Low: 479.7808).
Growth Streaks & Declines
TrendsBetween January and September, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 8 straight months. Conversely, the sharpest month-over-month decline occurred between September and October, when the average rate fell by 7.2399 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (December 2025: 529.4041) against the same month in 2024 (average: 470.4137), the exchange rate shifted by +58.9904 (+12.54%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 483.9971 | 467.9923 | 475.1039 |
| February | 486.2609 | 479.7808 | 483.1593 |
| March | 492.1150 | 481.5004 | 487.2194 |
| April | 508.8899 | 483.6869 | 498.4418 |
| May | 503.8134 | 494.9428 | 498.8158 |
| June | 503.2375 | 488.2758 | 499.8395 |
| July | 507.1717 | 488.8530 | 502.0226 |
| August | 509.3984 | 498.3364 | 503.3447 |
| September | 522.7987 | 508.8726 | 516.7357 |
| October | 516.2848 | 503.5949 | 509.4958 |
| November | 520.7802 | 513.0246 | 516.0447 |
| December | 539.7778 | 518.7393 | 529.4041 |