Lansing, IL Weather & Climate Normals
What a normal year in Lansing actually looks like
On the 30-year record NOAA keeps for Lansing, 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 Lansing's weather actually swings
Average temperatures in Lansing run from 23°F in Jan up to 74°F in Jul, a 50.7°F seasonal swing, one of the widest gaps in this dataset.
Lansing, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 31°F | 15°F | 2.49in | 10.2in |
| Feb | 35°F | 18°F | 2.15in | 7.5in |
| Mar | 46°F | 28°F | 2.65in | 4.9in |
| Apr | 59°F | 38°F | 4.02in | 0.5in |
| May | 71°F | 49°F | 4.57in | 0in |
| Jun | 80°F | 59°F | 4.91in | 0in |
| Jul | 84°F | 64°F | 4.73in | 0in |
| Aug | 82°F | 62°F | 4.02in | 0in |
| Sep | 76°F | 55°F | 3.44in | 0in |
| Oct | 63°F | 42°F | 3.65in | 0.2in |
| Nov | 48°F | 31°F | 3in | 0.9in |
| Dec | 36°F | 22°F | 2.47in | 4in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Lansing's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Lansing actually gets
Over a typical year, Lansing sees about 42.1in of precipitation a year across roughly 124 days with measurable rain or snow, with 28.2in of snow a year.
Lansing against the rest of the country
Out of 4876 cities scored here, Lansing comes in at 3293; within IL alone it ranks 122 of 330. Population is about 28,107.
Checking the actual forecast
These figures come from Park Forest, IL US, the NOAA station 8.5 miles from Lansing, 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