Hillsborough is a city of approximately 1,000 people in Carriacou and Petite Martinique, GD. Located in the America/Grenada time zone at 12.5°N latitude.
In 2025, Hillsborough recorded an average annual temperature of 81°F. The hottest temperatures reached 86°F in September; the coolest were 75°F in November. Total precipitation for the year was 33 inches, with the wettest month being October.
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