Springfield weather in July 2026

Q: How hot is it in Springfield in July?

Daytime temperatures usually reach 29°C in Springfield in July with moderate heat and humidity, falling to 17°C at night.

Q: How sunny is it in Springfield in July?

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

Q: How warm is the sea around Springfield in July?

The average sea temperature around Springfield in July is 19°C.

Q: Does it rain in Springfield in July?

There are usually 10 days with some rain in Springfield in July and the average monthly rainfall is 100mm.

Expect daytime maximum temperatures of 88°F in Springfield, Illinois in July and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 3.7 inches of rainfall in the month.

88
88°F max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
66
66°F min night temperature
15
15 hours of daylight per day
H
High heat & humidity
3.7
3.7 inches of monthly rainfall
9
9 (Very High) UV index

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The July weather guide for Illinois (Springfield) 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)