Evanston Weather in August

Evanston in August sees high temperatures, with highs around 27°C (81°F) and overnight lows of 19°C (66°F). Rainfall is fairly high at around 113 mm (4.4 in) on average, so pack waterproofs just in case.

Rainfall in Evanston in August

On average, there are about 11 days with rain during this month, averaging 113 mm (4.4 in). 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 Evanston in August

Temperatures in Evanston in August top out at 27°C (81°F) and drop to 19°C (66°F) overnight. August is part of summer. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Evanston in August

Enjoy a sunny month with about 280 hours of sunshine, the clear skies make Evanston even more beautiful.

Wind Speed in Evanston in August

Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

If you prefer enjoying temperate temperatures and rain-free days, September typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.