December weather forecast and climate
Heidelberg, Germany

What is the temperature in December in Heidelberg?

In Heidelberg, in December, the average high-temperature is 4.8°C (40.6°F), and the average low-temperature is -0.4°C (31.3°F).

How much does it rain in Heidelberg in December?

In Heidelberg, Germany, in December, typically, 66mm (2.6") of precipitation is accumulated.
Average temperature in December - Heidelberg, Germany
  • Average high temperature in December: 4.8°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in December: -0.4°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).

Average rainfall in December - Heidelberg, Germany
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is June (86mm).
Driest months (with the lowest rainfall) are February, March and September (53mm).

Average daylight in December / Average sunshine in December - Heidelberg, Germany
  • Average daylight in December: 8.3h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in December: 1.1h

The month with most sunshine is July (Average sunshine: 7.5h).
The month with least sunshine is December (Average sunshine: 1.1h).