Hancock County Climate
Hancock County, Maine
Avg Annual Temp
47.3°F
Annual Precip
55.5"
Annual Snowfall
—
Extreme Heat Days
3.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hancock County Weather
Coastal Maine's warmest and wettest corner
Hancock’s 47.3°F average temperature is higher than the state average but still trails the national median. Its position on the coast provides a significant warming effect compared to inland Maine.
The warmest county in this region
With an average of 47.3°F, it sits nearly 4 degrees above the Maine average of 43.8°F. It is one of the mildest climatic regions in the entire state.
Warmer and wetter than its neighbors
Hancock averages 55.5 inches of annual precipitation, significantly higher than Kennebec’s 44.9 inches. The maritime climate keeps it warmer than almost anywhere else in northern or central Maine.
Mild winters and rare extreme heat
The county only experiences 3 days above 90°F, while January stays relatively mild at 23.8°F. While specific snowfall data is unavailable, the 55.5 inches of total precipitation suggests a damp environment.
Focus on rain gear and drainage
High annual precipitation of 55.5 inches makes waterproof clothing and home drainage systems vital. Since summers are cool with a 67.5°F average, heavy cooling systems are rarely needed.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.