While a relatively sleepy summer set in on Beacon Hill, Governor Maura Healey used the time to pack her campaign war chest.

Healey raised more than $600,000 in campaign cash from the start of May to the end of August, according to campaign finance records. Her biggest haul came in June, when she brought in over $274,000.

Healey spent more than $216,000 during the same period, with the most expenditures in June. The Democratic governor had nearly $1.1 million cash on hand at the end of August, according to finance records.

Healey’s summer featured a multiple fundraisers on the Cape, Martha’s Vineyard, and Nantucket.

Lt. Gov. Kim Driscoll raised just over $153,000 for her campaign account during May, June, July, and August, according to state records.$94,533 during the same period and had nearly $313,000 cash on hand.