Zion (IL) Weather and Climate: A Comprehensive Guide
The climate in Zion is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It receives mid-range precipitation levels.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Zion, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 27°C in July, the warmest time of the year, to a very cold -1°C during cooler months like February.
At night, temperatures typically drop to an average of around -9°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
On average, Zion receives a reasonable amount of rain/snowfall, with an annual precipitation of 959 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 107 mm of precipitation, recorded across 13 rainy days. In contrast, the drier season, January brings less snowfall, with 40 mm over 10 snowy days. For more details, please visit our Zion Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Zion. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Zion.
The city experiences its highest humidity in December, reaching 76%. In May, the humidity drops to its lowest level at 64%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain overcast and small chance of slight rain overcast and rainForecast for Zion (IL)
3 m/s
4 m/s
6 m/s
The best time of year to visit Zion in the United States of America
During the months of June, August and September 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:
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of -1°C.
June tops the wettest month list with 107 mm of rainfall.
January is the driest month with 40 mm of precipitation.
July is the sunniest month with an average of 319 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.
