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Clear Lake (IA) Weather and Climate: A Comprehensive Guide

The temperature in Clear Lake can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It maintains moderate precipitation patterns. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

Visitors to Clear Lake can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 28°C in July to a very cold -5°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -14°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Clear Lake experiences moderate precipitation patterns, averaging 833 mm yearly. The climate in Clear Lake shows significant variation throughout the year. Expect high rainfall in June, with an average of 118 mm of precipitation over 13 rainy days.

In contrast, January offers drier and sunnier days, with around 18 mm of snowfall over 7 snowy days. For more details, please visit our Clear Lake Precipitation page.

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

Sunshine over the year

For those who appreciate different seasons, Clear Lake serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.4 hours of sunshine daily, and embrace the darker days in December, offering only 3.9 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Albert Lea, the United States of America (56 KM, 35 Miles).

Daily hours of sunshine

Data from: Albert Lea, the United States of America (56 KM, 35 Miles).

Forecast for Clear Lake (IA)

Mon   Dec 23
1°C | -3°C
NW 7 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
2°C | -3°C
S 5 m/s
overcast and no rain

overcast and no rain

Wed   Dec 25
3°C | -2°C
SE 6 m/s
overcast and no rain

overcast and no rain

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

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Clear Lake?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Clear Lake?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Clear Lake?
    The coldest month is January with an average maximum temperature of -5°C.
  • Which is the wettest month in Clear Lake?
    June tops the wettest month list with 118 mm of rainfall.
  • Which is the driest month in Clear Lake?
    January is the driest month with 18 mm of precipitation.
  • Which is the sunniest month in Clear Lake?
    July is the sunniest month with an average of 342 hours of sunshine.

  • 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.