An early rate hike could diminish demand for bullion, a non-interest-paying asset.
"The uncertainty about interest rate hikes is opening the door for gold strength and then should there be serious concerns about some geopolitical elements in Greece or elsewhere, that is going to boost gold," ING Bank senior strategist Hamza Khan said.
"For now, the Greece situation hasn't really led to a stronger dollar...but equally we are not really seeing a flight to safety."
Euro zone deputy finance ministers will meet midweek ahead of a Eurogroup finance ministers' gathering two days later, a Greek government official told Reuters, as Athens and its creditors continue to seek a deal on reforms to unlock aid.
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While uncertainty over the situation in Greece could lift some retail demand in Europe, there had been no significant uptick in physical demand from Asia, the top consuming region, traders said.
Economic sluggishness in China, the world's second-biggest bullion consumer, in particular was a concern given the central bank's easing measures over the weekend.
China's central bank on Sunday cut the amount of cash that banks must hold as reserves, to help spur bank lending and combat slowing growth.
Easing measures would have typically boosted demand for gold. However, Chinese prices were at a premium of about $1 an ounce to the global benchmark, unchanged from Friday.
"We are not seeing any big demand from the Chinese whatsoever," a trader said.
In India, the top bullion consumer, consumers were holding back purchases ahead of Akshay Tritiya, a key gold buying festival on Tuesday.