"We're not expecting anything exceptional for the next two weeks, but it's very difficult to look beyond that point," said Marco Tedesco, a Greenland melting expert at the City University of New York and a polar programs director for the National Science Foundation. "I think we will be able to make a good diagnosis by mid-July."
Some of the factors that led to a low surface melt in 2013 are still in play. The North Atlantic Oscillation, an atmospheric pressure pattern over the Atlantic Ocean, is still in a positive phase, as it was in 2013. The positive phase favors cooler conditions and summer snowfall across Greenland and warm, dry weather over Europe.
Also, meltwater has been slow to appear across the ice this year, Tedesco said.
"Besides a peak that happened in mid-May over the south part of Greenland, it doesn't look like there has been considerable melting so far," Tedesco told Live Science. "And, of course, there was a lot of melting in May in 2012 and only a little melting in 2013."