Heidelberg Weather in December

December in Heidelberg sees daytime temperatures around 27°C (81°F) and lows of 16°C (61°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Heidelberg in December

With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. Looking at the last 30 years, the data shows about 13 days with rain, averaging 150 mm (5.9 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 Heidelberg in December

December in Heidelberg brings high temperatures, with highs of 27°C (81°F) and nights around 16°C (61°F). This kind of day-to-night contrast is typical for this time of year. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Heidelberg in December

Expect sunny days throughout the month, with an estimated 264 hours of sunshine. This makes it a pleasant time to visit Heidelberg.

December in Heidelberg has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.