Winfield, IL Weather & Climate Normals
What a normal year in Winfield actually looks like
On the 30-year record NOAA keeps for Winfield, IL, the comfort score comes out to 48/100, 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 Winfield's weather actually swings
Average temperatures in Winfield run from 23°F in Jan up to 74°F in Jul, a 50.4°F seasonal swing, one of the widest gaps in this dataset.
Winfield, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 31°F | 16°F | 1.27in |
| Feb | 35°F | 19°F | 1.24in |
| Mar | 47°F | 28°F | 1.97in |
| Apr | 60°F | 38°F | 3.44in |
| May | 71°F | 49°F | 4.34in |
| Jun | 81°F | 59°F | 3.65in |
| Jul | 84°F | 63°F | 3.62in |
| Aug | 82°F | 62°F | 3.84in |
| Sep | 76°F | 54°F | 3in |
| Oct | 62°F | 42°F | 2.99in |
| Nov | 48°F | 31°F | 2.2in |
| Dec | 35°F | 21°F | 1.67in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Winfield's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Winfield actually gets
Winfield averages 33.23in of precipitation a year across roughly 121 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Winfield against the rest of the country
Out of 4876 cities scored here, Winfield comes in at 2425; within IL alone it ranks 66 of 330. Population is about 10,199.
Checking the actual forecast
These figures come from West Chicago Dupage Ap, IL US, the NOAA station 5.4 miles from Winfield, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station