Waterloo Weather in May

Waterloo in May sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 76 mm (3 in), so pack a rain jacket to stay dry.

Rainfall in Waterloo in May

Analyzing past climate data, one can expect approximately 15 days of rain, averaging 76 mm (3 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Waterloo in May

Expect highs of 15°C (59°F) in Waterloo in May, with nights dropping to around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Waterloo in May

The days are predominantly sunny, with an estimated total of around 209 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Waterloo.