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Iowa

Climate in Decorah, Iowa

Climate comfort can shape daily life, travel timing, health routines, and whether a place feels practical across the year.

Climate Comfort

Overall Comfort

3.7 / 5 · Very Good

Summer Feel

4.7 / 5 · Excellent

Average Summer High

Warm · 87°F

Days Above 90°F

3 days/year

Winter Feel

2.8 / 5 · Good

Average Winter Low

26°F / -3°C

Days Below Freezing

158 days/year

Humidity

Very Humid · 80% average

Comfortable Months

8 months

Solar Exposure

1,404 peak-sun-hr/yr · Poor

Weather Signals

Air Quality

4.3 / 5 · Excellent

Current AQI

AQI 44 · Good

Recent Fine-Particle Pollution

Good · 5.7 µg/m³ multi-year average

Best Months

JUN, JUL, AUG

Toughest Months

DEC, JAN, FEB

Allergy Levels

Poor

Heat Risk

Low

Drought Risk

High

Weather Volatility

3.3 / 5 · Moderate

How to use this tab

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

What to verify

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