Waterloo Weather in December

Waterloo in December averages 8°C (46°F) during the day and 2°C (36°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Waterloo in December

With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. You can expect rain on around 19 days based on historical patterns, with 80 mm (3.1 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Waterloo in December

In December, Waterloo sees low temperatures, with highs of 8°C (46°F). Nights drop to around 2°C (36°F). Winter occurs in December. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With lows around 2°C (36°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 is characterized by fewer sunny days, with roughly 44 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Waterloo in December

Wind speeds average 4 m/s (8 knots) during December. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

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.