Waterloo Weather in August

August in Waterloo typically sees daytime highs of 20°C (68°F) and nighttime lows of 14°C (57°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Waterloo in August

Expect around 15 days of rain based on historical data, with 106 mm (4.2 in) average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Waterloo in August

If you're visiting Waterloo in August, expect highs of 20°C (68°F) and overnight lows around 14°C (57°F). Experience the summer season in August. Conditions are often most pleasant around the middle of the day. With overnight lows of 14°C (57°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. On average, it sees the highest temps of the year.

Sunshine in Waterloo in August

The area experiences a moderate amount of sunshine, with approximately 177 hours of sunlight expected. This means a decent mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, July 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.