Bloomington climate
Bloomington’s comfortable warm season is balanced by a long freezing window
Bloomington records an 85°F average summer high, 19 days above 90°F, and a Very Good summer feel. For the winter row, the average low is 26°F with 107 days below freezing and a Moderate winter feel. Six months are comfortable, while May through October are the best listed months and December through February are toughest.
Humidity is 77 percent, solar exposure is 1,467 peak sun hours per year, air quality is Excellent, and allergy levels are Poor. Modeled fine particle pollution is 5.8 micrograms per cubic meter for 2021 through 2025. The city offers a useful warm season, but heating, ice, indoor air, storms, and allergy planning shape the rest of the year.
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
- Days Above 90°F
- 19 days/year
- Summer Feel
- Very Good
Warm · 85°F
Excellent
4.1 / 5
- Average Winter Low
- 26°F / -3°C
- Days Below Freezing
- 107 days/year
- Winter Feel
- Moderate
Fair
Fair
1.9 / 5
The shape of the year
Humidity, comfortable months, and sunshine show how the seasons differ.
- Humidity
- 77%
- Comfortable Months
- 6 months
- Solar Exposure
- 1467 peak sun hrs/yr
Good
Fair
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
- Allergy Levels
- Poor
4.7 / 5
Current AQI
Checking…
Current PM2.5
Checking…
Timing and weather
- Long Term Fine Particle Pollution
- 5.8 µg/m³ 2021-2025 modeled average
- Best Months
- May, Jun, Jul, Aug, Sep, Oct
- Toughest Months
- Feb, Jan, Dec
- Heat Risk
- Low
- Drought Risk
- Low
- Weather Volatility
- Moderate
Good · 5.8 µg/m³ 2021-2025 modeled average
Very Good
3.3 / 5
Bloomington in everyday life
Could Bloomington work for you?
What may work well
- Bloomington has an 85°F average summer high, only 19 days above 90°F, six comfortable months, and May through October as the best listed stretch.
- Excellent air quality and a 5.8 microgram modeled fine particle average provide useful air information for the seasonal review.
- Parks, trails, pools, campus culture, and indoor destinations can give the week alternatives when weather changes the plan.
What to think about
- A 26°F average winter low and 107 freezing days make heating, ice, pipes, entry surfaces, parking, and support important.
- Poor allergy levels and 77 percent humidity can alter how often outdoor plans feel comfortable.
- High storm exposure, Moderate flood, summer heat, and power questions can affect care, errands, and the return route.
Plan Bloomington around warm season access and winter readiness
Visit in heat and cold
Notice cooling, shade, heating, windows, pipes, ice, entry surfaces, parking, allergies, power, and the route to care, groceries, parks, campus, and culture.
Price the climate inside the home
Ask about heating, cooling, insulation, ventilation, filters, moisture, roof, maintenance, winter equipment, storm preparation, and the household’s response to 107 freezing days.
Bloomington needs indoor and outdoor choices together
Pair Bloomington parks, trails, pools, the Eskenazi Museum of Art, transit, home connection, care, and family visits with alternatives for heat, allergies, storms, and winter.
Use the exact climate labels
Keep Excellent air quality, Poor allergies, Low heat risk, Low drought, Moderate volatility, High storm, and Moderate flood distinct in the home decision.
Questions retirees ask
What is Bloomington’s climate like?
Bloomington combines an 85°F average summer high with 19 days above 90°F, a 26°F average winter low, and 107 days below freezing. Humidity is 77 percent, six months are comfortable, and the allergy level is Poor. May through October are the best listed months.
Does Bloomington have a hot summer?
The published summer high is 85°F, with 19 days above 90°F and a Very Good summer feel. Cooling, shade, water, allergies, parking, and indoor alternatives still matter for the chosen home and route.
How demanding is Bloomington winter?
Bloomington’s winter row combines a 26°F average low, 107 freezing days, and a Moderate winter feel. Review heating, pipes, windows, ice, entry surfaces, tires, parking, daylight, care routes, and support.
Are allergies a concern in Bloomington?
The published allergy level is Poor, even though air quality is Excellent and modeled fine particle pollution averages 5.8 micrograms per cubic meter for 2021 through 2025. Review indoor air, filters, ventilation, moisture, medications, and the household’s sensitivity.
When is Bloomington most comfortable outdoors?
May through October are the best listed months, and six months are marked comfortable. Summer heat, winter cold, allergies, storms, the selected home, and the distance to a destination still shape each household’s plan.
Bloomington offers a useful warm season and strong air quality labels, but 107 freezing days, Poor allergies, humidity, storm exposure, and home heating make the dwelling and route carry much of the year. Save the seasonal plan, Compare another home, and choose Find my fit after climate, care, mobility, and support questions are visible.
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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