UH Hilo Weather

Weather and Climate at UH Hilo

The University of Hawai`i at Hilo experiences a tropical rainforest climate. The campus is located in Hilo, on the windward side of the Big Island, which results in:

• Temperature: Average highs range from 75°F to 85°F (24°C to 29°C), with lows between 65°F to 70°F (18°C to 21°C).
• Rainfall: Hilo is one of the wettest cities in the United States, receiving an average of 126 inches (3,200 mm) of rain annually.
• Seasonal Variations: There is minimal seasonal variation, though slightly cooler and wetter conditions occur from November to March.
• Extreme Weather: Occasional hurricanes and tropical storms can affect the area, typically from June to November.
• Impact on Campus Life: The consistent rain influences commuting, often requiring rain gear. Outdoor research and activities are planned around weather patterns, and the campus features ample covered walkways.