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In Altamont, Illinois, United States, the weather is fairly mild year-round. In the summer, temperatures typically reach an average high of 28°C (82°F) and an average low of 16°C (61°F). The weather is often humid and there are occasional thunderstorms. In the winter, temperatures reach an average high of 4°C (39°F) and an average low of -5°C (23°F). Snowfall is common during this time, with an average of 54 cm (21 inches) of snowfall per year. The spring and fall months bring milder weather with an average high of 18°C (64°F) and an average low of 6°C (43°F). Overall, Altamont has comfortable weather year-round.
As of 2020, the city population is 2231.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Altamont, Illinois.