Last updated: August 27, 2025
In December, Katwijk aan Zee experiences a cool maritime climate, with maximum temperatures reaching 13°C (55°F) and an average of 6°C (44°F). The minimum temperature can dip as low as -2°C (28°F), setting the stage for a crisp winter atmosphere. Visitors should prepare for a wet month, as rainfall is prevalent, accumulating to 110 mm (4.3 in) over approximately 18 days. With humidity levels soaring at 86%, bundled attire is essential for those exploring the scenic coastal views and serene winter beaches during this time of year.
In Katwijk aan Zee, December brings a noticeable chill as temperatures dip further into winter. With minimums averaging around -2°C (28°F), the seaside town begins to feel the full brunt of the seasonal shift. However, daytime temperatures are still relatively mild for the month, hovering around an average of 6°C (44°F), and peaking at a maximum of 13°C (55°F). This marks a gradual transition from the preceding autumn months, which experience slightly warmer conditions. The colder air invites a cozy atmosphere, perfect for enjoying the views of the frosty beach and indulging in warm beverages as the year draws to a close.
In December, Katwijk aan Zee experiences a significant uptick in precipitation, with a total of 110 mm (4.3 in) over 18 rainy days, marking one of the wetter months of the year. This increase follows a notably wet October, which recorded the highest precipitation of 120 mm (4.7 in), and shows a continuation of the trend from late autumn toward the winter months. The frequent rain in December contributes to a moody coastal atmosphere, contrasting sharply with the drier early spring months like April, which averages only 43 mm (1.7 in) across just 9 days of rain. As the year closes, this month stands out not only for its rain volume but also for the persistence of showers, prompting both residents and visitors to brace for the elements while enjoying the picturesque winter seaside.
In December, Katwijk aan Zee experiences a noticeable consistency in its humidity levels, maintaining around 86%. This aligns closely with the higher humidity typical in the preceding months, such as November, which also clocks in at 87%. It’s interesting to note that the winter months generally exhibit elevated humidity compared to the milder summer months, where it dips to a low of 78% in August. As the year winds down, December's humidity reflects a gradual shift from the towering heights witnessed in the early winter, creating a somewhat damp atmosphere that is characteristic of this coastal region.
As December rolls into Katwijk aan Zee, the UV Index retreats to a low level of 1, marking a serene end to the year. With a safe burn time of 45 minutes, sun exposure remains minimal, reflecting a broader seasonal trend characterized by diminishing UV levels as autumn transitions into winter. Following the summer months, where the UV Index peaked at a very high 8, the index has steadily decreased, highlighting the regional shift towards cooler, cloudier days. This gradual decline from the vibrant levels of late spring and early summer serves as a reminder for residents and visitors alike to stay mindful of sun safety, even in the chill of December. For real-time updates, check out the comprehensive Katwijk aan Zee UV Index.
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As the year draws to a close, December in Katwijk aan Zee experiences a notable dip in sunshine, with only 142 hours of bright days to enjoy. This month stands out as a contrast to the sun-soaked peak of summer, where July shines the brightest with an impressive 431 hours. The gradual transition through the seasons is evident; the spring months bring increasing light, culminating in a vibrant May with 419 hours. However, as autumn sets in, the hours decline steadily, wrapping up the year with shorter, darker days. Despite the chill, the serene beauty of December sunsets and the crispness of the coastal air offer their own unique charm, inviting visitors to appreciate the tranquil beauty of winter in this Dutch gem.
In Katwijk aan Zee, December sees the sun making a fleeting appearance, with a mere 18% chance of clear skies. This figure mirrors the chilly atmosphere as the year winds down, highlighting a stark contrast to the sunnier months earlier in the year. From the bright stretches of April, peaking at 42%, to the gentle declines through autumn, the trend shows December's limited sunlight is part of a broader pattern characterized by diminishing opportunities for sunny weather as winter advances. Thus, while holiday festivities may cheer the spirit, one should not expect much warmth from the December sun in this coastal Dutch town.
In Katwijk aan Zee, the rhythm of daylight casts a distinct seasonal portrait throughout the year. December, with only 7 hours of daylight, marks the low point of this cycle, where the days grow shorter as winter embraces the landscape. Following a gradual increase from 8 hours in November, the daylight hours then begin to lengthen again as the year advances. This pattern of increasing daylight is most pronounced from March onward, peaking in June and July with a generous 16 hours of sunlight, ideal for enjoying the region's stunning beaches and vibrant local atmosphere. As autumn transitions to winter, the decline to December's twilight serves as a reminder of nature's ebb and flow, ultimately leading to brighter days ahead in the spring.
As December settles in Katwijk aan Zee, the coastal winds begin to pick up, averaging 5.7 m/s (13 mph). This month sees a slight increase from the preceding November, which recorded an average of 5.1 m/s (11 mph). The trend indicates a gradual ascent in wind speeds as the year draws to a close, peaking in October at 6.3 m/s (14 mph) before tapering slightly in December. From the tranquil breezes of summer, where July and June recorded the lowest speeds of 4.6 m/s (10 mph) and 4.0 m/s (9 mph) respectively, the winter months usher in a refreshing flow that invigorates the air. This consistent pattern reinforces Katwijk aan Zee's reputation for its dynamic coastal climate, making December a uniquely bracing experience for residents and visitors alike.
Weather in Katwijk aan Zee varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Katwijk aan Zee, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Katwijk aan Zee range from a minimum of -2°C (28°F) to a maximum of 13°C (55°F), with an average temperature of 6°C (44°F). The month experiences considerable precipitation, totaling 110 mm (4.3 in) over 18 days, and humidity remains high at 86%. In contrast, January sees slightly cooler temperatures, with a minimum of -4°C (25°F) and an average of 5°C (42°F), while still reaching a maximum of 13°C (55°F). Precipitation decreases to 66 mm (2.6 in) over 14 days, and humidity rises marginally to 87%. For more details, check the Katwijk aan Zee weather in January.
When comparing the weather in December and February, December tends to be slightly milder with an average temperature of 6°C (44°F), while February has a cooler average of 5°C (42°F). December experiences a wider range of temperatures, with maximum highs reaching 13°C (55°F), compared to February’s potential high of 16°C (60°F). Additionally, December has more precipitation, totaling 110 mm (4.3 in) over 18 days, whereas February sees less with 72 mm (2.8 in) across 13 days. Both months maintain high humidity levels, with December at 86% and February slightly higher at 87%. For more specific details about February weather, you can visit Katwijk aan Zee weather in February.
In comparing the weather between December and March, we see notable differences in temperature and precipitation patterns. December experiences milder average temperatures, ranging from a minimum of -2°C (28°F) to a maximum of 13°C (55°F), while March has a slightly cooler minimum temperature of -7°C (20°F) but can peak at a warmer 18°C (65°F). Precipitation in December is also heavier, with 110 mm (4.3 in) over 18 days, compared to March’s 71 mm (2.8 in) over 14 days. Despite their differences, both months share a high humidity level of 86%. For more specific insights into March weather, you can check Katwijk aan Zee weather in March.
When comparing the weather in December and April, notable differences arise in temperature and precipitation patterns. December experiences a colder range with minimum temperatures dropping to -2°C (28°F) and an average of 6°C (44°F), while April shows a noticeable warming trend, with minimum temperatures starting at 1°C (35°F) and reaching an average of 9°C (49°F) during the day, peaking at a maximum of 24°C (75°F). Additionally, December is marked by higher precipitation, totaling 110 mm (4.3 in) over 18 days, compared to April’s relatively dry conditions with only 43 mm (1.7 in) over 9 days. Both months have high humidity levels, with December at 86% and April slightly lower at 85%. For a detailed look at weather patterns specific to April, you can visit Katwijk aan Zee weather in April.
In December, temperatures in Katwijk aan Zee range from a chilly -2°C (28°F) to a mild 13°C (55°F), with an average of 6°C (44°F). The month is damp, receiving about 110 mm (4.3 in) of precipitation over 18 days, accompanied by high humidity at 86%. In contrast, May brings much warmer weather, with temperatures starting at 4°C (40°F) and peaking at 27°C (80°F), averaging 13°C (55°F). Precipitation decreases significantly to 58 mm (2.3 in) over 11 days, and humidity remains relatively low at 84%. The shift from December's cold and wet conditions to May's warmer and drier atmosphere marks a significant change in the seasonal climate of the region. For more details, check out Katwijk aan Zee weather in May.
In December, the weather is notably cooler, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (55°F), and an average of 6°C (44°F). This month is also characterized by high humidity at 86% and significant precipitation, averaging 110 mm (4.3 in) spread over 18 days. In contrast, June brings warmer temperatures, with a minimum of 9°C (49°F) and a maximum reaching 29°C (84°F), while the average sits at 17°C (62°F). Rainfall decreases to 70 mm (2.8 in), occurring over just 10 days, and humidity is slightly lower at 81%. For more specific weather insights, you can check Katwijk aan Zee weather in June.
When comparing the weather in December and July, a stark contrast emerges. December experiences much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 13°C (55°F), serving as a chilly backdrop for the month. It also sees higher precipitation, averaging 110 mm (4.3 in) over 18 days, resulting in an often gray and damp atmosphere with high humidity at 86%. In contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F) and a lower overall precipitation of 68 mm (2.7 in) spread out over only 13 days. Despite being warm and more humid at 80%, July offers a brighter and sunnier experience. For specific details on July weather, visit Katwijk aan Zee weather in July.
When comparing December and August in Katwijk aan Zee, the two months reveal stark differences in weather conditions. December is characterized by colder temperatures, with a minimum of -2°C (28°F) and an average of 6°C (44°F), while August enjoys much milder weather, featuring a minimum of 12°C (53°F) and an average of 19°C (66°F). Precipitation is also more frequent in December, with rainfall occurring on 18 days and totaling 110 mm (4.3 in), compared to 15 days of rain and 95 mm (3.7 in) in August. Furthermore, December's higher humidity of 86% contrasts with the relatively comfortable 78% humidity typical of August. For more detailed insights, visit Katwijk aan Zee weather in August.
In December, temperatures in Katwijk aan Zee drop significantly, with a minimum of -2°C (28°F) and an average of 6°C (44°F), compared to the more moderate September temperatures, which range from a minimum of 8°C (46°F) to a pleasant average of 16°C (61°F). While both months experience notable precipitation, December sees more rainfall with 110 mm (4.3 in) over 18 days, whereas September receives 96 mm (3.8 in) across 13 days. Additionally, December's humidity is slightly higher at 86%, compared to September's 83%. For a more detailed look at September's weather, you can check Katwijk aan Zee weather in September.
In comparing the weather between October and December, October tends to be milder with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 23°C (74°F), while December sees cooler conditions with temperatures dropping, averaging 6°C (44°F) with a low of -2°C (28°F). Both months experience similar levels of humidity at 86%, yet October is slightly drier with 120 mm (4.7 in) of precipitation over 17 days compared to December's 110 mm (4.3 in) across 18 days. For more detailed insights into October weather, visit Katwijk aan Zee weather in October.
In comparison to November, December tends to be cooler and wetter. December experiences a minimum temperature of -2°C (28°F) and an average of 6°C (44°F), while November averages a milder 9°C (48°F) with a minimum of 1°C (33°F). Precipitation increases in December to 110 mm (4.3 in) over 18 days, compared to November's 70 mm (2.8 in) across 15 days. Additionally, humidity levels remain similar, with December at 86% and November slightly higher at 87%. For a closer look at November weather specifically, you can check out Katwijk aan Zee weather in November.
As December settles over Katwijk aan Zee, the coastal town experiences a noticeable shift in weather compared to other months. With daytime temperatures averaging a brisk 6°C and dipping as low as -2°C during the night, bundling up becomes essential. This month also sees a higher humidity level at 86%, contributing to that characteristic chilly coastal feel. Rainfall is frequent, with approximately 18 days bringing about 110 mm of precipitation, making it one of the wetter months of the year. In contrast to the milder and sunnier days of other seasons, December's weather invites a cozy retreat indoors, perfect for enjoying the festive spirit by the beach. For more details on seasonal weather patterns, visit Katwijk aan Zee Climate.