Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Great Lakes (South Dakota), United States Average Monthly Weather
Weather score55Good annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 15°C, sunshine averages 7.8h per day, and rainfall totals about 380mm.
Annual weather
Annual averages
Temp
15°C
Rain
380mm
Annual total
Sun
7.8h
Weather score
55
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 39mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Great Lakes (South Dakota), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August31°C average high
August is one of Great Lakes (South Dakota)'s warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August39mm average rain
August sits near Great Lakes (South Dakota)'s yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August11 hours average sun
August is brighter than Great Lakes (South Dakota)'s yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August89 weather score
August is one of Great Lakes (South Dakota)'s best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
