Climate and monthly weather forecast
Holbæk, Denmark

Positioned within the temperate latitudes, Holbæk experiences a Marine west coast climate with warm summers; a climate category recognized by the Köppen system as Cfb. Being situated on the coast, Holbæk is subject to mild and moderate weather patterns, influenced significantly by the North Atlantic Current. The weather throughout the year showcases noteworthy fluctuations in daylight hours and sea temperatures.

Although daylight hours swing from a minimum of 7.1 hours in December to a peak of 17.4 hours in June, this characteristic diurnal rhythm shapes life in Holbæk. The city's sea temperatures also display a stark contrast, with frigid averages around 2°C (35.6°F) from January to March, gradually warming to mid-year highs of just over 18°C (64.4°F) in July and August, before cooling again towards the year's end.

The recognizable weather cycle in Holbæk produces a blend of distinctive Maritime and Continental influences. These elements result in mildly hot summers, cool winters, and modest rainfall evenly distributed across all twelve months. Out of the ordinary weather occurrences are relatively rare, making the climate reasonably predictable.

Warm temperatures, longer daylight hours, and moderate sea temperatures make summer the most favorable period to visit Holbæk. From June to August, sea temperatures rise from 15.9°C (60.6°F) to 18.5°C (65.3°F), inviting visitors to enjoy beach activities and water sports. Sunshine is abundant in summer, with daylight lasting for up to 17.4 hours in June, providing ample time for tourists to explore and enjoy the city and its surroundings.

The winter months, particularly from January to March, could be considered less favorable for visiting Holbæk. During these months, sea temperatures drop to a chilly 2°C (35.6°F) to 2.4°C (36.3°F), insufficient for any water-based activities. Daylight is also at its shortest during these months, averaging 7.8 hours in January, limiting sightseeing and outdoor activities.

Spring months in Holbæk usher in an increase in both daylight hours and sea temperatures. March marks the end of winter with sea temperatures averaging 2.4°C (36.3°F) and daylight hours reaching 11.9, signaling the onset of longer days and gradually warming weather. By May, sea temperatures have climbed significantly to a mild 11.5°C (52.7°F), while the city basks in an impressive 16.3 hours of daylight.

Summers in Holbæk are pleasantly bright and mildly hot. June experiences peak daylight hours of 17.4, dropping slightly to 16.9 in July. Meanwhile, the warming trend in sea temperature reaches its zenith between June and August, from 15.9°C (60.6°F) to 18.5°C (65.3°F) respectively. This combination of long daylight hours and warm sea temperatures make summer the most attractive season in Holbæk city.

Autumn is marked by a downturn in both daylight hours and sea temperatures - a clear departure from the bright summer months. In September, the average sea temperature is 16.6°C (61.9°F) and by November, it drops substantially to 8.5°C (47.3°F). Correspondingly, daylight hours lessen considerably from 12.7 in September to 8.3 in November, subtly transitioning the city into the cooler part of the year.

Winter in Holbæk bears the signs of frigid sea temperatures and shorter daylight hours. From December to February, sea temperatures vary from 4.9°C (40.8°F) to 2.1°C (35.8°F). Accompanying these low temperatures, the city experiences only 7.1 hours of daylight in December, gradually increasing to 9.6 hours by February. Despite the colder conditions, the city maintains a unique allure, showcasing a charming winter landscape.

Holbæk, Denmark, steps into the New Year under a typically cold and breezy Nordic winter. One major factor influencing the city's climate this time of year is the frosty Baltic Sea, registering a chilly 2.1°C (35.8°F). These icy waters reinforce the overall low temperatures in the city, making January an ideal month for indoor activities. Weather in January »

The shortest month of the year, February, is merely a bridge between the severe cold of January and the spring that lays ahead in Holbæk, Denmark. The Baltic Sea temperature rises slightly to a still frigid 2.2°C (36°F). The continuing cold keeps Holbæk well within the grip of winter, so it may not be the ideal time for outdoor activities. Weather in February »

As March arrives, Holbæk begins to shake off the winter cold and make way for spring. Signs of change are evident, though winter has yet to completely release its hold. The Baltic Sea, with an average temperature of 2.4°C (36.3°F) in March, remains chilly and contributes to the cool air. Weather in March »

April ushers in a newfound energy in the weather pattern of Holbæk, Denmark. As the Baltic Sea temperature soars to 6.7°C (44.1°F), an accompanying warmth in the air is palpable. This gradual increase is instrumental in transitioning the city from the harshness of winter towards the onset of summer. Weather in April »

During May, the landscape in Holbæk is painted with the vibrant colors of late spring. The Baltic Sea, now warmed to an average of 11.5°C (52.7°F), aids in maintaining a relatively warm atmosphere. This increase results in milder evenings and conducive weather for outdoor events. Weather in May »

June introduces summer to Holbæk, bringing with it an exciting change in the weather dynamics. With the Baltic Sea reaching 15.9°C (60.6°F), the resulting milder climate marks the full onset of the summer season. The long daylight hours allow for extensive exploration of the city's natural beauty and historical sites. Weather in June »

July represents the peak of summer in the city of Holbæk, Denmark. The Baltic Sea, showing temperatures peaking at an average of 18.3°C (64.9°F), sets the stage for various water-related activities. Residents and visitors enjoy leisurely beach visits, while sailors and surfers make the most of the warm sea currents. Weather in July »

August maintains the high temperatures of the summer season in Holbæk, with the Baltic Sea warming up to a cozy 18.5°C (65.3°F). This leads to a continuation of the summer atmosphere before the onset of autumn. Beach sessions, boating excursions, and seaside picnics are still in full swing, making the most of the last full summer month. Weather in August »

September marks the transition from summer to autumn in the city of Holbæk. The Baltic Sea, cooling down to a moderate 16.6°C (61.9°F), announces the retreat of summer. As the sea temperature declines, so does the atmospheric temperature, forecasting the arrival of the cooler autumn months. Weather in September »

October welcomes the full arrival of autumn in Holbæk, Denmark. A significant drop in the Baltic Sea temperature to 12.3°C (54.1°F) signals the steady march towards the colder months. Despite the decreasing temperatures, this month offers spectacular views of vividly colored autumnal scenery. Weather in October »

November initiates the transition to winter as the sea temperature in the Baltic falls to 8.5°C (47.3°F). The temperatures continue to drop steadily throughout the month, bringing with them a crispness in the air. Despite the decrease in daylight hours and impending winter, Holbæk maintains its appeal with its cozy cafes, restaurants, and the emergence of festive decorations. Weather in November »

December, the final month of the year, brings the full onset of winter to Holbæk, Denmark. The Baltic Sea records its near-lowest temperature, at 4.9°C (40.8°F), amplifying the chilly conditions across the city. Despite the cold weather and the short days, the festive spirit uplifts the city with Christmas markets, twinkling lights, and cozy interiors. Weather in December »