The weather in Dortmund, Germany, is characterized by a temperate oceanic climate (Cfb in the Köppen climate classification). This means Dortmund experiences moderate temperatures year-round with no distinct dry season. Expect variability and a mix of conditions, so being prepared for anything is key.
Seasons:
Spring (March-May): Spring in Dortmund is a period of gradual warming. Temperatures start cool in March, often lingering around 5-10°C (41-50°F), and progressively rise to 15-20°C (59-68°F) by May. Rainfall is common, but sunny days become more frequent. You’ll witness the city come alive as parks and gardens burst into bloom.
Summer (June-August): Summers in Dortmund are generally mild and pleasant. Average temperatures range from 18-25°C (64-77°F). While heatwaves can occur, pushing temperatures higher, they are not the norm. Rainfall is distributed fairly evenly throughout the summer months, often in the form of short, intense showers. Expect humidity levels to be moderate.
Autumn (September-November): Autumn sees a transition towards cooler weather. Temperatures gradually decline from the mild warmth of September (around 15-20°C / 59-68°F) to the cooler temperatures of November (around 5-10°C / 41-50°F). Rainfall remains frequent, and the days become noticeably shorter. The autumn foliage provides a beautiful spectacle as the leaves change color.
Winter (December-February): Winter in Dortmund is typically cold and damp. Average temperatures hover around 0-5°C (32-41°F). Freezing temperatures are common, and snowfall is possible, although significant accumulations are not always guaranteed. Grey skies and shorter days characterize the winter months. Be prepared for icy conditions on sidewalks and roads.
Rainfall: Dortmund receives a fairly even distribution of rainfall throughout the year. There is no distinct dry season. Average annual rainfall is around 800-900 mm (31-35 inches). Rainfall can occur in various forms, including drizzle, showers, and heavier downpours.
Sunshine: Dortmund receives a moderate amount of sunshine hours throughout the year. Summer months offer the most sunshine, while winter months are typically overcast. The amount of sunshine can vary considerably from year to year.
Wind: Dortmund experiences moderate winds throughout the year. Strong winds and storms are possible, particularly during the autumn and winter months.
What to Pack:
Given the variable weather, it’s advisable to pack layers regardless of the season. A waterproof jacket is essential year-round. In spring and autumn, a light jacket or sweater will be useful. For summer, bring light clothing and sunscreen. In winter, pack warm layers, including a hat, scarf, and gloves, and sturdy footwear for icy conditions. Checking the forecast before you travel is always a good idea to get the most up-to-date information.