December Weather in Trondheim

Last updated: March 2, 2024

The weather in Trondheim, Norway, during December is characterized by an average temperature of -1°C (31°F). Highs can soar to 8°C (47°F), while lows may dip to -11°C (13°F). Typically, the humidity level in Trondheim throughout December hovers around 97%.

-11°C (13°F)

Minimum temperature

-1°C (31°F)

Average temperature

8°C (47°F)

Maximum temperature

97%

Humidity

Precipitation and Sunshine hours

In December, Trondheim averages 105 mm (4.1 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 4 hours 41 minutes of daylight, with the sun shining for approximately 1 hours 56 minutes each day. Additionally, there is a 25% probability of sunny days during this period.

105 mm (4.1 inches)

Precipitation

15 rainy days

Rainy days

1 hours 56 minutes

Sunshine hours

25%

Chance of sun

UV Index

In December, the UV Index in Trondheim reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 10:00 and 12:00, during which unprotected skin may burn in as little as 45 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 0 0 1 1 1 1 1 0 0 0 0 0
Exposure Low
Time to burn 45 min

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