Morris, IL Weather & Climate Normals
What a normal year in Morris actually looks like
On the 30-year record NOAA keeps for Morris, IL, the comfort score comes out to 45/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Morris's weather actually swings
Average temperatures in Morris run from 24°F in Jan up to 75°F in Jul, a 51.5°F seasonal swing, one of the widest gaps in this dataset.
Morris, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 31°F | 16°F | 2.09in | 7.4in |
| Feb | 36°F | 19°F | 1.79in | 7.5in |
| Mar | 48°F | 29°F | 2.23in | 2.9in |
| Apr | 61°F | 40°F | 3.34in | 0.5in |
| May | 72°F | 51°F | 4.39in | 0in |
| Jun | 82°F | 61°F | 4.72in | 0in |
| Jul | 85°F | 65°F | 4.92in | 0in |
| Aug | 83°F | 63°F | 4.01in | 0in |
| Sep | 77°F | 55°F | 3.55in | 0in |
| Oct | 64°F | 43°F | 3.23in | 0in |
| Nov | 49°F | 32°F | 2.5in | 1.1in |
| Dec | 37°F | 22°F | 2.02in | 5.3in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Morris's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Morris actually gets
Over a typical year, Morris sees about 38.79in of precipitation a year across roughly 117 days with measurable rain or snow, with 24.7in of snow a year.
Morris against the rest of the country
Out of 4876 cities scored here, Morris comes in at 3391; within IL alone it ranks 139 of 330. Population is about 14,587.
Checking the actual forecast
These figures come from Morris 1 Nw, IL US, the NOAA station 0.8 miles from Morris, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is