Nelson Weather in December

December in Nelson averages 2°C (36°F) during the day and -5°C (23°F) at night. It is the wettest month of the year, with 154 mm (6.1 in) of snow/rainfall on average, so waterproof gear is a must.

Rainfall in Nelson in December

This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. Records from the past 30 years suggest around 22 days of snow/rain, with 154 mm (6.1 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Nelson in December

If you're visiting Nelson in December, expect highs of 2°C (36°F) and overnight lows around -5°C (23°F). This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. Expect the coldest temperatures of the year this month. Make sure you have enough winter clothing to stay warm.

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