Lemont Weather in August

August in Lemont brings high temperatures around 28°C (82°F) during the day, dropping to 18°C (64°F) at night, with quite a bit of rainfall expected, averaging around 114 mm (4.5 in) for the month.

Rainfall in Lemont in August

Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 114 mm (4.5 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Lemont in August

Daytime highs in Lemont in August reach 28°C (82°F), with nights around 18°C (64°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 18°C (64°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 Lemont in August

The days are predominantly sunny, with an estimated total of around 280 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer dry days with pleasant temperatures, 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.