Climate in Madison, CT

Madison climate

Madison's mild summer supports the outdoors, while winter and coastal weather shape the home decision

Madison's climate estimates show an average summer high near 81 degrees Fahrenheit, about nine days above 90 degrees, an average winter low near 25 degrees, about 110 days below freezing, and humidity near 80 percent. Six months are identified as more comfortable, with May through October favored and January, February, and December more difficult. The climate values come from a coordinate estimate, while New Haven Tweed airport normals provide a nearby station comparison.

The warm season can support beaches, trails, gardens, farmers markets, outdoor concerts, and the Sculpture Mile. Winter snow and ice, coastal storms, heavy rain, flooding, erosion, wind, power interruptions, and damp shoulder seasons can affect a route or home. Seasonal allergies may reduce outdoor comfort for some households, so keep the library, senior center, arts venues, medical route, and a home activity plan available.

Inspect heating capacity, insulation, windows, roof, gutters, drainage, basement or crawl space, septic, trees, backup power, humidity, internet, insurance, and utility history. Visit during warm weather, after rain, and during a colder period if possible. Madison's beach and trail access is valuable, but the address needs to remain comfortable when the coast is not the right place to be.

Living through the seasons

Summers are the easier season. Winter comfort deserves a closer look.

Overall Comfort: Good

Average Summer High: 81°F
Days Above 90°F: 9 days/year
Summer Feel: Excellent

Average Winter Low: 25°F / -4°C
Days Below Freezing: 110 days/year
Winter Feel: Moderate

The shape of the year

Humidity, comfortable months, and sunshine show how the seasons differ.

Humidity: 80%
Comfortable Months: 6 months
Solar Exposure: 1436 peak sun hrs/yr

Air, allergies, and weather

Air quality and allergies shape day to day comfort. The best months and weather risks help with timing.

Air and allergies

Air Quality: Excellent
Allergy Levels: Poor

Current AQI

Checking…

Current PM2.5

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Timing and weather

Long Term Fine Particle Pollution: 6.3 µg/m³ 2021-2025 modeled average
Best Months: May, Jun, Jul, Aug, Sep, Oct
Toughest Months: Jan, Feb, Dec
Heat Risk: Low
Drought Risk: Low
Weather Volatility: Limited

Madison in everyday life

Could Madison work for you?

What may work well

Moderate summers and six more comfortable months can support beaches, trails, gardens, markets, and outdoor culture.
Libraries, senior services, arts venues, museums, care providers, and town programs provide indoor options when the coast or trail is not suitable.
The climate estimates identify the difficult months and the property questions that can be checked during a visit.

What to think about

About 110 freezing days, winter snow and ice, heating costs, and damp weather can limit mobility and raise spending.
Coastal rain, storm surge, flooding, erosion, wind, trees, and power loss can change routes and home comfort quickly.
Heating, drainage, basement or crawl space, septic, trees, roof, insurance, and evacuation vary by address.

Try Madison through heat, rain, wind, and a winter freeze

Visit during warm hours
Spend time in the home and on the daily route during a warm period. Check cooling, humidity, shade, parking, hydration, errands, electricity, and an indoor option.
Inspect water and coastal exposure
Review current FEMA mapping, elevation, drainage, septic or sewer, foundation, roof, gutters, trees, insurance, warnings, evacuation, and the road to care.
Prepare for snow and power loss
Ask about heat, backup power, medicines, food, water, charging, snow removal, mobility aids, pets, utility restoration, and who helps after an outage.
Price seasonal resilience
Add heating, snow and ice, tree work, roof work, drainage, insurance, flood coverage, repairs, emergency supplies, transportation, and temporary lodging.

Questions retirees ask

How hot is Madison in summer?

The climate estimate puts the average summer high near 81 degrees Fahrenheit, with about nine days above 90 degrees and humidity near 80 percent. Check shade, hydration, cooling, parking, and the warmest part of the daily route.

How cold is Madison in winter?

The estimate shows an average winter low near 25 degrees and about 110 days below freezing. Plan for snow, ice, heating, pipes, driveway and sidewalk access, vehicle preparation, power loss, and the route to care.

Can coastal storms affect Madison retirement life?

Yes. Town planning identifies coastal and river flooding, storm surge, erosion, hurricanes, winter storms, wind, power loss, and road isolation. Check the current FEMA map and keep alerts, shelter, insurance, supplies, and backup transportation ready.

What should a weather-ready Madison home have?

Check heating, insulation, windows, roof, gutters, drainage, foundation, septic or sewer, trees, safe shelter, backup power, insurance, snow clearance, alerts, medicines, and an indoor plan.

Madison's climate can suit a retiree who chooses a warm, dry, well-maintained home and plans around freezing weather, coastal storms, flooding, power loss, and damp shoulder seasons. Visit in heat, rain, and cold, inspect the route and property, and keep a strong indoor and medical plan.

Local context for Madison

Madison Emergency Management
Used for storm, hurricane, health emergency, shelter, and family preparedness resources
Connecticut coastal SLOSH maps
Used for planning maps for coastal storm surge and the need for local emergency instructions
Madison Coastal Resilience Plan
Used for shoreline flooding, erosion, sea-level rise, storm, road, and neighborhood vulnerability planning
Madison Flood Prevention, Climate Resilience, and Erosion Control Board
Used for current town work on sea-level rise, stormwater, drinking-water vulnerability, wetlands, and risk mapping
Madison Public Works Department
Used for town roads, bridges, drainage, waterfront structures, streetlights, snow, and ice control
Madison Health Department
Used for public health, private wells, septic, beach and surface water, mosquito control, and radon kits
Madison Beaches
Used for Surf Club, East Wharf, West Wharf, Hammonasset, beach rules, parking, pets, fishing, and seasonal access
Madison Beach and Recreation Department
Used for beach and recreation programs, weather-related access changes, and department services
Madison parks and facilities document
Used for Bauer Park, Rockland Preserve, Salt Meadow Park, trail areas, fields, gardens, and preserve planning
NASA POWER daily climate service
Used for coordinate-based temperature, freezing-day, humidity, and comfortable-month estimates
NOAA NCEI New Haven Tweed climate normals
Used for regional 1991 to 2020 temperature and freezing-day normals near Madison
FEMA National Risk Index county planning data
Used for county planning rows for flooding, storms, heat, and natural hazards

Sources

Climate comfort helps estimate how practical daily life may feel across the year, especially for heat, humidity, cold, and seasonal constraints.

Seasonal timing, health conditions, air conditioning, air quality, and elevation can change the lived experience.

NASA POWER
Used for Overall Comfort, Summer Feel, Average Summer High, Days Above 90°F, Winter Feel, Average Winter Low, Days Below Freezing, Humidity, Comfortable Months, Solar Exposure, Best Months, Toughest Months, Allergy Levels, Heat Risk, Weather Volatility
Open-Meteo / Copernicus CAMS, checked against U.S. EPA AirData
Used for Air Quality, Long-Term Fine-Particle Pollution
Checked 2026-05-18
Federal Emergency Management Agency National Risk Index
Used for Drought Risk

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Research and writing byGrant Gibson

How this city research is made

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