La Crosse weather in August 2025

Expect 82°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in La Crosse in August. Check more long-term weather averages for La Crosse in August before you book your next holiday to Wisconsin in 2025/2026.

  • 82°F maximum daytime temperature in August in La Crosse82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in La Crosse10
    10 days with some rainfall
  • 59°F minimum night-time temperature in August in La Crosse59
    59°F min night temperature
  • 14 hours of daylight per day in August in La Crosse14
    14 hours of daylight per day
  • Low heat & humidity in August in La CrosseL
    Low heat & humidity
  • 4.0 inches monthly rainfall in August in La Crosse4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in La Crosse8
    8 (Very High) UV index

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The August weather guide for Wisconsin (La Crosse) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in La Crosse in August?

Daytime temperatures usually reach 82°F in La Crosse in August with low heat and humidity, falling to 59°F at night.

How sunny is it in La Crosse in August?

There are normally 9 hours of bright sunshine each day in La Crosse in August - that's 66% of daylight hours.

Does it rain in La Crosse in August?

There are usually 10 days with some rain in La Crosse in August and the average monthly rainfall is 4.0 inches.

La Crosse August sunrise & sunset times

Browse the sunrise and sunset times for La Crosse in August 2025. Select a month to view La Crosse sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:54 19:28
Saturday, 16th August 2025 05:11 19:07
Sunday, 31st August 2025 05:28 18:42

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