Edwardsville Weather in August

August in Edwardsville typically sees daytime highs of 31°C (88°F) and nighttime lows of 20°C (68°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Edwardsville in August

You can expect rain on around 8 days based on historical patterns, with 86 mm (3.4 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Edwardsville in August

In August, Edwardsville gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 20°C (68°F). It's usually most comfortable outside during the morning and later in the day. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Edwardsville in August

There are approximately 268 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September and October typically offer the best weather for Edwardsville.