Illertissen Weather in December

December in Illertissen averages 5°C (41°F) during the day and -1°C (30°F) at night. Quite a bit of snow/rainfall is typical this month, with around 76 mm (3 in) on average. An umbrella is a good idea.

Rainfall in Illertissen in December

Based on our climate data of the past 30 years, about 17 days of snow/rain are anticipated, with 76 mm (3 in) on average. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Illertissen in December

In December, Illertissen sees low temperatures, with highs of 5°C (41°F). Nights drop to around -1°C (30°F). The winter season takes place during December. It stays very cold throughout much of the day, so warm winter clothing is essential. With overnight lows of -1°C (30°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. Prepare for a very cold month by layering your clothing. It's always better to be prepared for the cold than to face it unprotected.

Sunshine in Illertissen in December

The month has fewer sunny days, with around 46 hours of sunshine.

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