Waterloo Weather in December

December in Waterloo sees daytime temperatures around 9°C (48°F) and lows of 5°C (41°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Waterloo in December

As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. This month experiences about 18 days of rain according to historical data, averaging 123 mm (4.8 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Waterloo in December

Daytime highs in Waterloo in December reach 9°C (48°F), with nights around 5°C (41°F). Experience the winter season in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Waterloo in December

The month has fewer sunny days, with around 48 hours of sunshine.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Waterloo. Our weather planner can help you explore destinations with more pleasant weather conditions.