Orillia Weather in December

Orillia in December sees very low temperatures, with highs around 1°C (34°F) and overnight lows of -7°C (19°F). Snow/rainfall is fairly high at around 78 mm (3.1 in) on average, so pack waterproofs just in case.

Rainfall in Orillia in December

Looking at the last 30 years, the data shows about 17 days with snow/rain, averaging 78 mm (3.1 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Orillia in December

December in Orillia brings typical temperatures with highs around 1°C (34°F) and lows of -7°C (19°F). During December, the winter season is in full swing. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -7°C (19°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. With the coldest weather of the year, this month demands extra warmth. Be sure to layer up to stay comfortable.

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