Weather in Waterloo in December
Waterloo, United States averages a high of 0.3°C (32.5°F) and low of -7.3°C (18.9°F) in December, with 7 rain days and 5.4 hours of daily sunshine. Travel score: 42.6/100 (Mixed). The best time to visit Waterloo is September.
High
0°C33°F
Low
-7°C19°F
🌧️
7
rain days
☀️
5.4
hrs/day sunshine
💧
75%
humidity
43— Mixed
December in Waterloo is cold and mostly dry — bring heavy winter clothing.
What are the average temperatures in Waterloo?
How much does it rain in Waterloo in December?
Waterloo receives an average of 41.8mm of rainfall across 7 rainy days in December. The annual total is 904.3mm.
What should I pack for Waterloo in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 0°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -7°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31