Brockville Weather in December

In Brockville, December brings very low daytime temperatures around 1°C (34°F), with nights cooling to -6°C (21°F). Expect quite a bit of snow/rainfall this month.

Rainfall in Brockville in December

On average, there are about 19 days with snow/rain during this month, averaging 107 mm (4.2 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Brockville in December

In December, expect very low temperatures in Brockville, with highs of 1°C (34°F) and lows of -6°C (21°F) at night. During December, you'll experience the winter season. Expect a distinctly cold feel throughout the day, not just overnight. At -6°C (21°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.

Sunshine in Brockville in December

This month sees fewer sunny days, with about 75 hours of sunshine, perfect for those who enjoy cooler temperatures.

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