Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Weather Guide
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 7h per day, and rainfall totals about 781mm.
Annual averages
Temp
13°C
Rain
781mm
Annual total
Sun
7h
Weather score
48
Mixed avg
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 103mm, so some wet days are possible.
Bright
Sunshine averages 9h per day, so bright days are a strong part of the month.
Map
Compare Winona, Minnesota, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August27°C average high
August is one of Winona's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
August103mm average rain
August is one of Winona's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August9 hours average sun
August is brighter than Winona's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
August72 weather score
August scores above Winona's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.