December weather forecast
Frankfurt, Germany

December welcomes winters in full swing with temperatures plunging between -0.1°C (31.8°F) and 4.9°C (40.8°F). The days are shortest with only 8.2 hours of daylight, while sunshine scales back to a mere 1.3 hours. Rainfall patterns are comparable to November, adding up to 54mm (2.13") dispersed over 16 days. Despite the chilly conditions and frequent rains, December imbues Frankfurt with its unique festive charm.

Temperature

The transition to December results in a modest reduction in average high-temperature, moving from a chilly 8.4°C (47.1°F) in November to an icy 4.9°C (40.8°F). Nighttime temperatures hover around an average low of -0.1°C (31.8°F) in December, a slight descent from daytime highs.

Rainfall

In December, the rain falls for 16 days. Throughout December, 54mm (2.13") of precipitation is accumulated. In Frankfurt, during the entire year, the rain falls for 169 days and collects up to 629mm (24.76") of precipitation.

Daylight

The month with the shortest days in Frankfurt is December, with an average of 8h and 6min of daylight.
On the first day of December, sunrise is at 08:03 and sunset at 16:25. On the last day of the month, sunrise is at 08:24 and sunset at 16:32 CET.

Sunshine

With an average of 1.3h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 1 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.