When to go · Quincy, Illinois

Quincy, Illinois in August

Avoid month. Listed as a month to avoid: Jan–Feb (cold, ice), Jul–Aug (heat and humidity).

Key facts

Verdict: Avoid
Temperature: 30°C (86°F)86°F (30°C) / 19°C (66°F)66°F (19°C); average high / low
Rain days: 8
Crowds: High; United States overall
Prices: High; United States overall

Plan around it

Verdict

AvoidBest and avoid months for Quincy, Illinois

Listed as a month to avoid: Jan–Feb (cold, ice), Jul–Aug (heat and humidity).

August is rated avoid. These months rate higher:

Long-term averages

Quincy, IllinoisHighs around 30 °C (86 °F), lows around 19 °C (66 °F), rain on about 8 daysHighs around 86 °F (30 °C), lows around 66 °F (19 °C), rain on about 8 days

United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.

Weather, crowds and prices for any two months in Quincy, Illinois, side by side.

First month

Second month

August: Listed as a month to avoid: Jan–Feb (cold, ice), Jul–Aug (heat and humidity).

April: Inside Quincy, Illinois's best window: Apr–Jun, Sep–Oct.

Quincy, Illinois: figures are long-term averages from this guide, not a forecast.