Copenhagen Weather in December
Denmark · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
December in Copenhagen sees average temperatures ranging from a low of 2.2°C (36.0°F) to a high of 4.9°C (40.8°F), with a mean of 3.6°C (38.5°F). Compared to the annual average of 9.9°C (49.8°F), this month is 6.3°C cooler than the yearly norm. Precipitation averages 63.5mm, making it approximately 7.0mm wetter than the monthly average of 57.0mm. The city receives an average of 1.7 hours of sunshine per day during December, with relative humidity averaging 87.1%. Wind speeds reach an average maximum of 27.8 km/h. Snowfall averages 5.1cm during December, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in Copenhagen, with wetter-than-average conditions compared to the rest of the year.
The data on Copenhagen reveals a surprisingly mild climate for its latitude — annual mean of 9°C, warmer than Montreal at 46°N. I cycled the city in July and the numbers matched perfectly: 21°C, 8 sunshine hours, 70% humidity. February averages 1°C — bearable with proper layers. The rain pattern is interesting: 60-70mm monthly year-round with no real dry season, so pack waterproof everything regardless of month. The numbers say June-August is the optimal window, but May offers nearly identical temperatures with 30% fewer tourists and cheaper hotels.
December vs Adjacent Months
| Metric | November | December | January |
|---|---|---|---|
| Mean Temp | 7.2°C (45.0°F) | 3.6°C (38.5°F) | 3.0°C (37.4°F) |
| Rainfall | 51.1mm | 63.5mm | 68.9mm |
| Sunshine | 3.1 hrs | 1.7 hrs | 2.9 hrs |
| Humidity | 83.9% | 87.1% | 86.4% |
| Wind | 27.2 km/h | 27.8 km/h | 30.7 km/h |
| Rainy Days | 18.4 | 19.0 | 15.2 |
| Snowfall | 1.7 cm | 5.1 cm | 6.6 cm |
Seasonal Context
December falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Copenhagen in December, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Copenhagen in December?
The average temperature in Copenhagen during December ranges from 2.2°C (36.0°F) to 4.9°C (40.8°F), with a mean of 3.6°C (38.5°F).
How much does it rain in Copenhagen in December?
Copenhagen receives an average of 63.5mm of precipitation in December, spread across approximately 19.0 rainy days.
What should I pack for Copenhagen in December?
Based on December weather data, pack heavy winter clothing, thermal layers, and a warm coat.
Is December a good time to visit Copenhagen?
December is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Copenhagen
Cities with Similar December Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 55.68°, 12.57°. Timezone: Europe/Copenhagen. Last updated: 2026-07-30.