Climate and monthly weather forecast
Kalundborg, Denmark

The general climate conditions in Kalundborg adhere to the Köppen classification of Cfb, identifying it as a region with a marine west coast climate featuring a warm summer. This geographical area nestled on the western coast of Denmark, experiences a typically mild but diverse range of weather throughout the year.

Analyzing the climatological patterns in Kalundborg, it emerges that the monthly average sea temperature displays a notable fluctuating pattern, swinging from a low of 2.3°C (36.1°F) in January, to a high of 18.6°C (65.5°F) in August. Equally, daylight hours evolve from a minimal average of 7.8 hours in December to a soaring 17.4 hours in June. The noted variance in these parameters signifies the transition of seasons in this Danish town, from the cold, dark winter to the bright, warmer summer months.

Unique patterns include the sharp increase in sea temperatures from 2.6°C (36.7°F) in March to 6.8°C (44.2°F) in April, indicating the switch from winter to spring. Similarly, the daylight hours see a significant jump from 11.9 hours in March to 14.2 hours in April. Interestingly, the maximum sea temperature is sustained from 18.3°C (64.9°F) in July to 18.6°C (65.5°F) in August, providing two warm months conducive to water activities.

Optimal visiting periods for Kalundborg occur during the summer months when the weather conditions are most favourable. Sea temperatures peak from July to August, ranging from 18.3°C (64.9°F) to 18.6°C (65.5°F), inviting visitors to enjoy water activities. Simultaneously, daylight hours extend from 16.9 hours in July to a robust 17.4 hours in June, providing ample sunlight for outdoor exploration and activities.

Kalundborg experiences its harshest conditions between December and February, with frigid sea temperatures ranging from 2.3°C (36.1°F) to 2.6°C (36.7°F), and daylight hours dwindling to as low as 7.1 hours in December. These cold, dark months may deter visitors seeking outdoor pursuits and warm weather activities.

The onset of spring marks a significant transition period in Kalundborg. The months between March and May experience a steady increase in sea temperatures, escalating from a brisk 2.6°C (36.7°F) in March to a more comfortable 11.7°C (53.1°F) in May. Concurrently, daylight hours extend, progressing from 11.9 hours in March to 16.3 hours in May. This augmented sunlight and warmer sea temperatures contribute to more enjoyable outdoor conditions.

Summer graces Kalundborg with beneficial climatic changes, resulting in the area’s best weather. The season, spanning from June to August, sees sea temperatures heralding a comfortable range from 16°C (60.8°F) to 18.6°C (65.5°F). Daylight hours also peak during this period, extending to 17.4 hours in June, before gradually reducing to 15 hours in August.

Autumn in Kalundborg is characterised by cooling temperatures and diminishing daylight. From September to November, the sea temperature regresses from 16.7°C (62.1°F) to 8.7°C (47.7°F), while daylight hours decrease from 12.7 hours to 8.3 hours. Despite the cooling trend, the season remains relatively mild and pleasant for locals and visitors.

Winter introduces the most challenging weather conditions in Kalundborg, with decidedly colder temperatures and reduced daylight. During the months from December to February, sea temperatures vary from 5.1°C (41.2°F) to 2.3°C (36.1°F), signifying a substantial drop. Meanwhile, daylight hours decline to a yearly low of 7.8 hours in December, before incrementally increasing to 9.6 hours in February. These conditions symbolize the annual cycle of shifting climatic patterns in Kalundborg.

January opens the year with cold temperatures in Kalundborg, Denmark. The sea, with an average temperature of 2.3°C (36.1°F), shares the chilly bite of the air. This brisk period requires warm clothing, with locals often seen in thermal attire for comfort. Weather in January »

As the city of Kalundborg ushers in February, a glimmer of change teases the horizon. Though it remains mainly chilly, the slight increase in temperature from 2.3°C (36.1°F) in January to 2.4°C (36.3°F) in February indicates a gradual retreat of the coldest waves. Weather in February »

March brings an appreciable weather change in Kalundborg, marking the dawn of spring. While March retains a degree of frost, the temperature surge to 2.6°C (36.7°F) is indicative of winter's backtrack. The arrival of spring feeds optimism into the city as the days get longer, painting a brighter aura. Weather in March »

April displays a considerable leap in warmth in Kalundborg with the average sea temperature recording 6.8°C (44.2°F), as spring solidifies its reign. This transformation elicits more enthusiasm for outdoor activities. The floral bloom in various city parks dances under the amplified daylight, offering a visually appealing spectacle. Weather in April »

As May takes over the Kalundborg calendar, signs of approaching summer become even clearer. The significantly warm conditions are a warm break from April's transitional weather. Although rainy days might make an occasional entrance, the growth in the greenscape creates a serene atmosphere. Weather in May »

June in Kalundborg unfolds summer in its true essence, offering longer sunlit days. This month records a remarkable ascent in sea temperature to 16°C (60.8°F), offering opportunities for water-based activities. The well-lit evenings and temperate climate make it a joy for residents and visitors. Weather in June »

July stamps itself as the height of summer with consistently warm conditions in Kalundborg. With the sea temperature peaking to 18.3°C (64.9°F), it makes for an inviting month for beach lovers and swimmers. Days are balmy, and the extensive daylight enhances the allure of the outdoors. Weather in July »

A slight reduction in heat marks August weather in Kalundborg, Denmark, even though summer continues to hold the fort. This month enjoys an alluring sea temperature of 18.6°C (65.5°F), holding charm for water enthusiasts. Despite this downturn in temperature, August continues to draw visitors to the city's outdoor attractions. Weather in August »

As September rolls in, the city of Kalundborg begins to wear the colors of Autumn. The sea temperature takes a dip to 16.7°C (62.1°F), indicating a transition from summer to autumn. The shift in season ushers in an array of hues, painting a picturesque canvas of earthy colors. Weather in September »

October in Kalundborg is a stark departure from the warmth the city enjoyed just a few months ago. The falling leaves harmonize with the dipping mercury, embodying the city in true autumnal splendor. The depletion in daylight hours is quite noticeable as days become shorter, paving the way for the winter yet to come. Weather in October »

November comes with a definitive turn towards colder weather in Kalundborg. The sea temperature significantly drops to 8.7°C (47.7°F), marking the arrival of the wintry landscape. With the change in season, residents start bundling up to brave the cold, and outdoor activities are on a downward trend. Weather in November »

Kalundborg wraps up the year with a cold December, echoing the onset of winter. The falling sea temperature, averaging 5.1°C (41.2°F), resonate with the frosty atmosphere that winter brings. The limited daylight hours complement the chilly ambiance, making indoors increasingly cozy and inviting. Weather in December »