Temperature
The warmest month in Northern Maine Regional At Presque Isle, Presque Isle, Maine is July with an average high temperature of 76.9°F. The hottest day on record was June 15 1988 when the temperature hit 99.0°F. During January the overnight temperature drops to an average of 3.7°F with the lowest temperature of -41.8°F being recorded on January 26 2009.