Salem is a city of approximately 7,300 people in Illinois, United States. Located in the Central Time Zone at 38.6°N latitude.
In 2025, Salem recorded an average annual temperature of 56°F. The hottest temperatures reached 93°F in July; the coolest were -3°F in January. Total precipitation for the year was 38 inches, with the wettest month being April. Snowfall for the year totaled approximately 7 inches.
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