Retirement Lists

Climate in Marietta, Ohio

Downtown w:Marietta, Ohio, as viewed from Harmar Hill, including the w:Muskingum River (foreground) and the w:Ohio River (background right)
Photo by Tim Kiser (w:User:Malepheasant) via Wikimedia Commons, CC BY-SA 2.5

Marietta climate

Marietta has four real seasons, river weather, and a home that must handle both heat and cold

NOAA 1991 to 2020 normals for the Marietta station show a 64.2 degree Fahrenheit average annual high, a 43.5 degree average annual low, a July average high of 85.3 degrees, and a January average low of 22.7 degrees. Annual precipitation averages 45.27 inches and annual snow averages 16.3 inches, with about 111.7 days recording freezing lows. Summer is warm and humid, while winter can change steps, roads, errands, and home comfort.

The catalog records 84 percent humidity in a July 10, 2026 observation, but that is a point in time rather than a yearly average. Inspect heating, air conditioning, insulation, windows, roof, gutters, pipes, basement or crawl space, drainage, trees, power backup, and the cost of keeping the home comfortable. Keep an indoor plan for days when heat, rain, ice, or snow makes outdoor time difficult.

Washington County lists excessive heat, floods, thunderstorms, tornadoes, and winter storms among local hazards. NOAA's river gauge and county water-level resources belong in the household plan. Before choosing a home, check the flood map, elevation, insurance, road access, sewer, power, medicines, food, chargers, and the route to higher ground or care.

Living through the seasons

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

Overall Comfort
Good

2.9 / 5

Average Summer High
85°F

Warm · 85°F

Days Above 90°F
29 days/year

Excellent

Summer Feel
Very Good

4.1 / 5

Average Winter Low
26°F / -3°C

Fair

Days Below Freezing
111 days/year

Fair

Winter Feel
Moderate

1.9 / 5

The shape of the year

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

Humidity
77%

Good

Comfortable Months
6 months

Fair

Solar Exposure
1433 peak sun hrs/yr

Poor

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

4.7 / 5

Allergy Levels
Poor

Current AQI

Checking…

Current PM2.5

Checking…

Timing and weather

Long Term Fine Particle Pollution
5.8 µg/m³ 2021-2025 modeled average

Good · 5.8 µg/m³ 2021-2025 modeled average

Best Months
May, Jun, Jul, Aug, Sep, Oct
Toughest Months
Jan, Feb, Dec
Heat Risk
Moderate

Good

Drought Risk
Low
Weather Volatility
Moderate

2.8 / 5

Marietta in everyday life

Could Marietta work for you?

What may work well

  • Four seasons provide warm riverfront days, colorful fall weather, and a clear reason to choose an indoor or outdoor plan.
  • NOAA normals give concrete starting figures for temperature, rain, snow, freezing nights, and hot days.
  • The library, theatre, museums, college arts, and home activities provide alternatives when heat, rain, ice, or snow changes an outing.

What to think about

  • Summer heat and humidity can limit mobility and raise cooling costs.
  • Winter snow, freezing nights, ice, pipes, heating, and road conditions can affect care, errands, and home comfort.
  • River rise, heavy rain, drainage, sewer, roof, trees, power, insurance, and road conditions vary by address.
  • A mild label should not be mistaken for a winter-light climate or a low-maintenance river home.

Try Marietta through heat, rain, snow, and a river plan

  1. Visit during warm hours

    Spend time in the home and on the daily route during a hot period. Check cooling, humidity, shade, parking, hydration, electricity, water, and an indoor option.

  2. Inspect winter readiness

    Review heating, windows, pipes, roof, gutters, steps, sidewalks, snow removal, power, parking, and the route to care during ice or snow.

  3. Review river exposure

    Check the FEMA map, elevation information, low roads, river gauge, drainage, sewer, insurance, higher ground, warnings, and closure notices.

  4. Price seasonal resilience

    Add heating, cooling, roof work, drainage, tree care, flood coverage, deductibles, storm supplies, repairs, temporary lodging, transportation, and the help needed after an event.

Questions retirees ask

What is Marietta weather like?

Marietta has four seasons, warm humid summers, cold winter nights, frequent rain, and normal snow. NOAA normals show a July average high of 85.3 degrees, a January average low of 22.7 degrees, 45.27 inches of annual precipitation, and 16.3 inches of annual snow.

Does Marietta get snow?

The NOAA 1991 to 2020 normal is 16.3 inches of annual snow, with about 111.7 days recording freezing lows. Ice, pipes, heating, rain, river rise, power, and road conditions are important home and mobility questions too.

Can river flooding affect Marietta retirement life?

Yes. The Ohio and Muskingum Rivers meet at Marietta, and NOAA lists action stage at 33 feet on the local gauge. Flood maps, elevation, drainage, insurance, warnings, road access, and a higher-ground plan deserve a direct address check.

Marietta's climate can suit a retiree who enjoys four seasons and a riverfront setting while choosing a home with reliable heating, cooling, drainage, insurance, winter access, and river preparation. Visit in heat and wet or cold weather when possible, inspect the property carefully, and keep an indoor plan current.

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.

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