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Altamont (IL) Weather and Climate: A Comprehensive Guide

Altamont experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

The climate in Altamont is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 30°C in July to a chilly 3°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -7°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Altamont has a notably wet climate with abundant precipitation, recording 1167 mm of rain/snowfall per year. The climate in Altamont shows significant variation throughout the year. Expect high rainfall in June, with an average of 158 mm of precipitation over 12 rainy days.

In contrast, January offers drier and sunnier days, with around 57 mm of snow/rainfall over 8 snowy/rainy days. For more details, please visit our Altamont Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Altamont (IL)

Wed   Dec 25
7°C | 4°C
SE 4 m/s
12 mm
broken clouds and rain

broken clouds and rain

Thu   Dec 26
11°C | 6°C
SE 4 m/s
broken clouds and no rain

broken clouds and no rain

Fri   Dec 27
12°C | 7°C
SE 5 m/s
6.7 mm
overcast and rain

overcast and rain

The best time of year to visit Altamont in the United States of America

Other facts from our historical weather data:
  • Which is the warmest month in Altamont?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Altamont?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Altamont?
    June tops the wettest month list with 158 mm of rainfall.
  • Which is the driest month in Altamont?
    January is the driest month with 57 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.