Waldo County Climate
Waldo County, Maine
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.1°F
Annual Precip
48.8"
Annual Snowfall
71.5"
Extreme Heat Days
2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
1,802
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Waldo County
Climate Verdict
Waldo County has a cool, averaging 44.1°F annually, moderately wet with 48.8 inches of annual precipitation, rare extreme heat with only 2.3 days above 90°F annually, heavy winter snowfall averaging 71.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.8°F. summers are pleasantly cool with July averaging 66.8°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Waldo County closely matches the Maine statewide average temperature of 43.8°F.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.