Saint Catharines Weather in December

With daytime temperatures of 4°C (39°F) and nighttime lows of -1°C (30°F), December in Saint Catharines brings low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 88 mm (3.5 in) falls on average.

Rainfall in Saint Catharines in December

Looking at the last 30 years, the data shows about 14 days with snow/rain, averaging 88 mm (3.5 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Saint Catharines in December

December in Saint Catharines brings low temperatures, with highs of 4°C (39°F) and nights around -1°C (30°F). December marks the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.

Sunshine in Saint Catharines in December

The city usually sees around 68 hours of sunlight, indicating fewer sunny days.

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