Sandwich, IL Weather & Climate Normals
Sandwich's real weather, in one number
Sandwich, IL scores 48/100 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.
Sandwich's hottest and coldest months
Sandwich's hottest month is Jul, averaging 73°F; its coldest is Jan, averaging 23°F, a 50.5°F swing across the year, one of the widest gaps in this dataset.
Sandwich's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 31°F | 15°F | 1.3in |
| Feb | 35°F | 18°F | 1.41in |
| Mar | 48°F | 28°F | 2.21in |
| Apr | 60°F | 37°F | 3.6in |
| May | 72°F | 49°F | 4.06in |
| Jun | 81°F | 59°F | 3.98in |
| Jul | 84°F | 62°F | 3.71in |
| Aug | 82°F | 60°F | 3.35in |
| Sep | 76°F | 52°F | 3.01in |
| Oct | 63°F | 41°F | 3.23in |
| Nov | 48°F | 29°F | 2.3in |
| Dec | 36°F | 21°F | 1.68in |
May, Jun, Jul, Aug, and Sep are the best time to see Sandwich at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Sandwich
Over a typical year, Sandwich sees about 33.84in of precipitation a year across roughly 126 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Sandwich ranks
Sandwich ranks 2472 of 4876 US cities in this dataset for comfort score, and 74 of 330 within IL. About 7,299 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Chicago Aurora Muni Ap, IL US, 10.9 miles from Sandwich, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated