2025 THB to IRR Historical Review

YEARLY HIGH

1356.6828 IRR

YEARLY LOW

1210.9487 IRR

YEARLY AVERAGE

1282.4527 IRR

2025 THB to IRR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2025

During 2025, the THB to IRR exchange rate experienced significant fluctuation. The market reached its absolute peak on December 25, valuing the pair at 1356.6828. Conversely, the yearly low was recorded on April 8, dropping to 1210.9487.

This high-to-low spread represents a total annual volatility of 145.7341 IRR. From a start-to-finish perspective, comparing the January average rate of 1229.2133 to the December average rate of 1335.5157, the exchange rate registered a net change of 8.65% (reflecting a strengthening trend).

Looking at year-over-year peak valuations, the 2025 high of 1356.6828 was up 4.25% compared to the 2024 peak of 1301.3225, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

Comparing the value generated converting 250,000 THB based on timing:

Yearly Peak High 339,170,692 IRR

2024 Average 298,811,944 IRR

Yearly Trough Low 302,737,174 IRR

Transaction Impact: A difference of 36,433,518.46 IRR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2025.

1346.1459

1218.5830

JanuMarcMayJulySeptNove

THB to IRR Seasonal Trends & Volatility Analysis

A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.

Seasonal Halves (H1 vs H2)

Seasonal

The average exchange rate in the first half of the year (H1: Jan–Jun) was 1257.5803, compared to 1307.3251 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 49.7448 points.

H1 Avg (Jan–Jun) 1257.5803

H2 Avg (Jul–Dec) 1307.3251

Volatility Range Comparison

Volatility

The most volatile month in 2025 was April, with a trading range of 64.1186 IRR (High: 1275.0673 / Low: 1210.9487). On the other end, June was the most stable month, with a tight range of 17.9214 IRR (High: 1302.3572 / Low: 1284.4358).

April Spread (Volatile) ±64.1186

June Spread (Stable) ±17.9214

Growth Streaks & Declines

Trends

Between 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 23.0238 points.

Longest Streak 8 Mo.

Sharpest MoM Drop -23.0238

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (December 2025: 1335.5157) against the same month in 2024 (average: 1235.1211), the exchange rate shifted by +100.3946 (+8.13%).

2025 Avg (December) 1335.5157

2024 Avg (December) 1235.1211

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	1254.4377	1213.2390	1229.2133
February	1255.6091	1230.0045	1246.2451
March	1260.8279	1230.0045	1246.4614
April	1275.0673	1210.9487	1250.0709
May	1300.2683	1254.8435	1280.5823
June	1302.3572	1284.4358	1292.9086
July	1309.8756	1285.8779	1298.7589
August	1306.5777	1287.5077	1300.0894
September	1331.8569	1296.2107	1315.1781
October	1305.6420	1279.6713	1292.1544
November	1317.0058	1292.6006	1302.2540
December	1356.6828	1314.3067	1335.5157