Castronno Weather in December

December in Castronno brings low temperatures, with highs of 9°C (48°F) and nights dropping to 2°C (36°F). Rainfall is on the higher side this month, averaging around 83 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Castronno in December

Records from the past 30 years suggest around 10 days of rain, with 83 mm (3.3 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Castronno in December

Castronno in December gets highs of 9°C (48°F) during the day and drops to 2°C (36°F) at night. December marks the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Castronno in December

This month sees fewer sunny days, with about 68 hours of sunshine, perfect for those who enjoy cooler temperatures.

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