Waldo County Climate
Waldo County, Maine
Avg Annual Temp
44.1°F
Annual Precip
48.8"
Annual Snowfall
71.5"
Extreme Heat Days
2.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Waldo County Weather
Waldo's temperate coastal influence
Waldo County’s 44.1°F average annual temperature is about 10 degrees lower than the national median. The Atlantic Ocean buffers the county from the severe cold found just a few miles inland.
Slightly warmer than average
Waldo sits just above the Maine state average of 43.8°F. This makes it part of a milder coastal belt that experiences less extreme winter temperatures than the interior.
Bridging the coastal gap
Waldo’s 44.1°F average is slightly cooler than Sagadahoc (44.6°F) but warmer than neighboring Washington County (43.8°F). It shares a similar snowfall profile with other coastal counties at 71.5 inches.
Mild summers and steady rain
The county receives a high 48.8 inches of annual precipitation, with winters averaging a relatively mild 22.8°F. Summers are cool and comfortable, with only 2 days per year exceeding 90°F.
Plan for wind and wet
Homeowners should prioritize wind-resistant siding and moisture barriers to combat the frequent coastal storms. While snow is moderate at 71.5 inches, ice management is a critical winter task.
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.