Copenhagen Weather in January
Denmark · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
January in Copenhagen sees average temperatures ranging from a low of 1.3°C (34.3°F) to a high of 4.6°C (40.3°F), with a mean of 3.0°C (37.4°F). Compared to the annual average of 9.9°C (49.8°F), this month is 6.9°C cooler than the yearly norm. This is the coldest month of the year, with average lows of 1.3°C (34.3°F). Precipitation averages 68.9mm, making it approximately 12.0mm wetter than the monthly average of 57.0mm. The city receives an average of 2.9 hours of sunshine per day during January, with relative humidity averaging 86.4%. Wind speeds reach an average maximum of 30.7 km/h. Snowfall averages 6.6cm during January, which can affect travel plans and outdoor activities. For travelers, this month offers a coldest month of the year 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.
January vs Adjacent Months
| Metric | December | January | February |
|---|---|---|---|
| Mean Temp | 3.6°C (38.5°F) | 3.0°C (37.4°F) | 3.3°C (37.9°F) |
| Rainfall | 63.5mm | 68.9mm | 65.7mm |
| Sunshine | 1.7 hrs | 2.9 hrs | 4.8 hrs |
| Humidity | 87.1% | 86.4% | 84.0% |
| Wind | 27.8 km/h | 30.7 km/h | 31.1 km/h |
| Rainy Days | 19.0 | 15.2 | 15.4 |
| Snowfall | 5.1 cm | 6.6 cm | 5.9 cm |
Seasonal Context
January falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Copenhagen in January, 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 January?
The average temperature in Copenhagen during January ranges from 1.3°C (34.3°F) to 4.6°C (40.3°F), with a mean of 3.0°C (37.4°F).
How much does it rain in Copenhagen in January?
Copenhagen receives an average of 68.9mm of precipitation in January, spread across approximately 15.2 rainy days.
What should I pack for Copenhagen in January?
Based on January weather data, pack heavy winter clothing, thermal layers, and a warm coat.
Is January a good time to visit Copenhagen?
January 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 January 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.