Mercer Weather in December

Mercer in December averages 5°C (41°F) during the day and -4°C (25°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.

Rainfall in Mercer in December

Based on our climate data of the past 30 years, about 17 days of snow/rain are anticipated, with 104 mm (4.1 in) on average. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Mercer in December

December in Mercer brings typical temperatures with highs around 5°C (41°F) and lows of -4°C (25°F). December is typically considered a winter month. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights are well below freezing at -4°C (25°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.

December in Mercer can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.