Galena weather in August 2025

Expect daytime maximum temperatures of 27°C in Galena in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 111 mm of rainfall in the month.

  • 27°C maximum daytime temperature in August in Galena27
    27°C max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Galena9
    9 days with some rainfall
  • 15°C minimum night-time temperature in August in Galena15
    15°C min night temperature
  • 14 hours of daylight per day in August in Galena14
    14 hours of daylight per day
  • Low heat & humidity in August in GalenaL
    Low heat & humidity
  • 111 mm monthly rainfall in August in Galena111
    111 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Galena8
    8 (Very High) UV index

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The August weather guide for Illinois (Galena) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Galena in August?

Daytime temperatures usually reach 27°C in Galena in August with low heat and humidity, falling to 15°C at night.

How sunny is it in Galena in August?

There are normally 10 hours of bright sunshine each day in Galena in August - that's 69% of daylight hours.

Does it rain in Galena in August?

There are usually 9 days with some rain in Galena in August and the average monthly rainfall is 111mm.

Galena August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:55 19:21
Saturday, 16th August 2025 05:10 19:01
Sunday, 31st August 2025 05:26 18:37

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