The local currency also posted its third successive weekly drop as it slipped by 60 paise since June 6.
A sharp fall in domestic stock market also affected rupee today as the Sensex dropped 348.04 points or 1.36 per cent.
Crude prices extended the previous day's rally to sit at nine-month highs after militants closed in on Iraq's capital Baghdad, fuelling fears over supplies from the crude producer.
The rupee opened lower at 59.31 per dollar as against the last closing level of 59.25 per dollar at the Interbank Interbank Foreign Exchange (Forex) Market. It dropped further to 59.80 per dollar before settling at at 59.77 per dollar, showing a loss of 52 paise, or 0.88 per cent -- its biggest drop since January 24, 2014 when it had dropped by 73 paise.
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Intra-day, the rupee moved in a range of 59.30 per dollar and 59.80 per dollar.
The dollar index was up 0.08 per cent against a basket of six major global rivals, indicating safe-haven tendencies among global investors.
According to provisional data from Indian bourses, overseas investors pumped Rs 1,100 crore in equities today.