Cool
Average highs are around 7°C, so pack for cooler days.
Weather Guide
Decorah, Iowa, United States Average Monthly Weather
Weather score48Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 7.2h per day, and rainfall totals about 838mm.
Annual weather
Annual averages
Temp
13°C
Rain
838mm
Annual total
Sun
7.2h
Weather score
48
Mixed avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 48mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.1h per day, so this is not one of the brighter months.
Map
Weather map
Compare Decorah, Iowa, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November7°C average high
November is on the cooler side of Decorah's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
November48mm average rain
November sits on the drier side of Decorah's year, which helps with sightseeing and transfers.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November4.1 hours average sun
November is one of Decorah's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
November32 weather score
November is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
