Williamstown Weather in December

December in Williamstown brings low temperatures, with daytime highs of 3°C (37°F) and nights around -5°C (23°F). Quite a bit of snow/rainfall is expected, around 114 mm (4.5 in), so pack an umbrella.

Rainfall in Williamstown in December

Past climate data indicates that roughly 15 days will see snow/rain, totalling around 114 mm (4.5 in) for the month. 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 Williamstown in December

December in Williamstown brings typical temperatures with highs around 3°C (37°F) and lows of -5°C (23°F). December is part of the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. At -5°C (23°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. With the arrival of this cold month, make sure you're dressed in warm clothing. It's important to be ready for the chill.

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