Streator, IL Weather & Climate Normals
What a normal year in Streator actually looks like
On the 30-year record NOAA keeps for Streator, IL, the comfort score comes out to 39/100, weather-driven: Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Streator's weather actually swings
Average temperatures in Streator run from 24°F in Jan up to 77°F in Jul, a 52.6°F seasonal swing, one of the widest gaps in this dataset.
Streator, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 32°F | 16°F | 2.56in | 9.6in |
| Feb | 37°F | 19°F | 1.92in | 4.8in |
| Mar | 49°F | 29°F | 2.78in | 3.7in |
| Apr | 62°F | 40°F | 3.73in | 0.7in |
| May | 74°F | 52°F | 4.69in | 0in |
| Jun | 84°F | 62°F | 4.67in | 0in |
| Jul | 88°F | 66°F | 4.1in | 0in |
| Aug | 84°F | 64°F | 3.7in | 0in |
| Sep | 78°F | 55°F | 3.56in | 0in |
| Oct | 65°F | 44°F | 2.98in | 0in |
| Nov | 49°F | 32°F | 2.57in | 0.8in |
| Dec | 37°F | 22°F | 2.17in | 6.8in |
If you're timing a visit, May, Jun, Aug, and Sep are Streator's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Streator actually gets
Over a typical year, Streator sees about 39.43in of precipitation a year across roughly 113 days with measurable rain or snow, with 26.4in of snow a year.
Streator against the rest of the country
Out of 4876 cities scored here, Streator comes in at 4642; within IL alone it ranks 294 of 330. Population is about 12,295.
Checking the actual forecast
These figures come from Streator 3 Se, IL US, the NOAA station 2.5 miles from Streator, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated