Sunnyside Weather in December

Sunnyside in December sees low temperatures, with highs around 3°C (37°F) and overnight lows of -5°C (23°F). Rainfall is at its peak this month, around 29 mm (1.1 in) on average, so waterproofs are essential.

Rainfall in Sunnyside in December

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. You can expect snow/rain on roughly 10 days based on historical data, averaging 29 mm (1.1 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Sunnyside in December

Temperatures in Sunnyside in December top out at 3°C (37°F) and drop to -5°C (23°F) overnight. The winter season is characteristic of December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -5°C (23°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.

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