York County Climate
York County, Maine
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.5°F
Annual Precip
51.0"
Annual Snowfall
63.9"
Extreme Heat Days
6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,089
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: York County
Climate Verdict
York County has a cool, averaging 45.5°F annually, moderately wet with 51.0 inches of annual precipitation, rare extreme heat with only 6.18 days above 90°F annually, heavy winter snowfall averaging 63.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 21.1°F. summers are pleasantly cool with July averaging 68.8°F. The 48°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
York County closely matches the Maine statewide average temperature of 43.8°F, it is somewhat wetter than average for Maine.
Climate Profile
About York County Weather
Maine's warmest southern gate
York County averages 45.5°F, which is about 8.5 degrees cooler than the national median. While cold by national standards, it is the most temperate region in the state of Maine.
Maine’s highest annual temperatures
York is the warmest county in the state, averaging 45.5°F compared to the Maine average of 43.8°F. Its southern location and coastal proximity provide a significantly milder climate.
Warmer and drier than the north
York is much warmer than inland Oxford County (42.6°F) and experiences far less snow than the state interior. Its 63.9 inches of annual snowfall is the lowest among this group of counties.
Heatwaves and manageable winters
York leads the state in extreme heat with 6 days per year reaching over 90°F. Winters are the mildest in the state, with a January average of 21.1°F and a winter seasonal average of 24.0°F.
Investing in year-round comfort
Air conditioning is more practical here than in northern Maine to handle the 68.8°F July average. For winters, standard snow removal is usually sufficient for the 63.9-inch annual total.
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.