Aarau Weather in December

Aarau in December averages 5°C (41°F) during the day and -1°C (30°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.

Rainfall in Aarau in December

Looking at the last 30 years, the data shows about 15 days with snow/rain, averaging 114 mm (4.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Aarau in December

Temperatures in Aarau in December top out at 5°C (41°F) and drop to -1°C (30°F) overnight. During December, you'll experience the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Aarau in December

This month is characterized by fewer sunny days, with about 53 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Aarau.