St. John, IN Weather & Climate Normals
St. John's real weather, in one number
St. John, IN scores 45/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
St. John's hottest and coldest months
St. John's hottest month is Jul, averaging 74°F; its coldest is Jan, averaging 23°F, a 50.7°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in St. John
St. John averages 42.1in of precipitation a year across roughly 124 days with measurable rain or snow, and 28.2in of snow a year.
Where St. John ranks
St. John ranks 3318 of 4876 US cities in this dataset for comfort score, and 85 of 126 within IN. About 24,250 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from PARK FOREST, IL US, 11.6 miles from St. John, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station