Superior (WI) Weather and Climate: A Comprehensive Guide
The temperature in Superior can vary greatly throughout the year.
The temperatures shift from warm
to very cold.
It receives a moderate amount of precipitation.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to very cold in Superior. On average, daytime temperatures range from a comfortable 25°C in July to a very cold -5°C in January.
Nighttime temperatures can drop, with average lows reaching -15°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Superior has a moderate amount of precipitation, averaging 817 mm of rain/snowfall annually. The seasons in Superior, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 123 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, January, experiences much less snowfall, totaling 18 mm over 8 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Superior Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
In Superior, summer days are longer and more sunny, with daily sunshine hours peaking at 10.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 3.3 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Superior.
The city experiences its highest humidity in September, reaching 76%. In May, the humidity drops to its lowest level at 63%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed over the year ranges from 3 m/s in July and August to 4 m/s in January, February, March, April, May, June, September, October, November and December.
The mean monthly wind speed over the year (meters per second)
broken clouds and no rain overcast and no rain overcast and no rainForecast for Superior (WI)
The best time of year to visit Superior in the United States of America
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of January and February are very dry.
The coldest season / winter is in the following months: January, February, March and December.
July has an average maximum temperature of 25°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -5°C.
June tops the wettest month list with 123 mm of rainfall.
January is the driest month with 18 mm of precipitation.
July is the sunniest month with an average of 311 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.