Clear Lake Weather in October

What's the weather like in Clear Lake (South Dakota) in October 2025?

The climate in Clear Lake during October can be summarized as cool and reasonably dry.

October is in the fall / autumn in Clear Lake and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 2°C (35°F) is normal.

Clear Lake weather averages (imperial / metric)
Daytime temperature 15.2°C 59.3°F
Nightly temperature 1.5°C 34.6°F
Average temperature 8.3°C 46.9°F
Daily sunshine 7 hrs
Avg rainfall 46 mm 1.8 ins
Rainy days 7 days
Sea temperature 13.2°C 55.7°F
Humidity 68%
Windspeed 19.4kph 12 mph

On average October is the 6th driest month of the year in Clear Lake with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

October temperatures in Clear Lake

Clear Lake average temperature in October

October rainfall

Clear Lake average rain in October

October hourly sunshine

Clear Lake average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Clear Lake in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Clear Lake weather stats

Clear Lake weather statistics
Hottest month: July 28.8°C 83.8°F
Driest month: January 12mm 0.5ins
Sunniest month: July 12.1hrs
Coldest month: January -6.4°C 20.5°F
Wettest month: June 97mm 3.8ins
Map showing location of Clear Lake (44.7458, -96.68256) Clear Lake map pin © Google

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