Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
June verdict
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 95mm, so some wet days are possible.

Monthly averages
Temp
28°C
Rain
95mm
Sun
10h
Weather score
78
Very good
Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 95mm, so some wet days are possible.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Map
Compare Sioux City, Iowa, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
June28°C average high
June is one of Sioux City's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
June95mm average rain
June is one of Sioux City's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June10 hours average sun
June is one of Sioux City's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
June78 weather score
June scores above Sioux City'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.