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Galena weather in August 2025
Expect 27°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Galena in August. Check more long-term weather averages for Galena in August before you book your next holiday to Illinois in 2025/2026.
- 2727°C max day temperature
- 10 hours of sunshine per day
- 99 days with some rainfall
- 1515°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 111111 mm of monthly rainfall
- 88 (Very High) UV index
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Recommended for Illinois
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)
More about the USA
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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