McHenry Weather in August

McHenry in August averages 24°C (75°F) during the day and 15°C (59°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in McHenry in August

Typically, about 14 days will experience rainfall, with an average of 104 mm (4.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in McHenry in August

In August, McHenry gets high temperatures, with highs of 24°C (75°F). Nights cool to around 15°C (59°F). August is typically considered a summer month. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in McHenry in August

The city usually sees around 225 hours of sunlight, indicating many sunny days , a great month for sightseeing.

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.