Last updated: August 27, 2025
April in Katwijk aan Zee, Netherlands presents a delightful blend of springtime weather, characterized by pleasant temperatures and a touch of humidity. With maximum highs reaching 24°C (75°F), the days can be surprisingly warm, while the average temperature hovers around a cool 9°C (49°F). However, mornings may start crisp with lows dipping to 1°C (35°F). Rain is not uncommon, as the region sees about 43 mm (1.7 in) of precipitation over 9 days, resulting in a humidity level of 85% that adds to the fresh coastal atmosphere. Overall, April is a month of transformation, where blooming flowers and gentle sea breezes invite visitors to enjoy picturesque seaside strolls.
In April, Katwijk aan Zee experiences a delightful transition into spring, with temperatures ranging from a brisk 1°C (35°F) at night to a pleasant 24°C (75°F) during the day. The average temperature rises to 9°C (49°F), marking a significant increase compared to the chill of winter months. This shift invites locals and visitors alike to shed their heavy coats and embrace outdoor activities as nature awakens. The warmer days signal an end to the frost, creating a vibrant atmosphere that pairs beautifully with the blooming scenery along the coast. As the region transitions toward summer, April stands out as a refreshing harbinger of the warmer days to come.
April in Katwijk aan Zee brings a refreshing change as precipitation decreases to 43 mm (1.7 in) over 9 days. This is a notable dip compared to the preceding months, with January through March averaging around 69 mm and at least 13 days of rainfall each month. As spring blossoms, April’s lighter showers pave the way for more sunnier days ahead, though the unpredictability of the Dutch weather remains. By mid-spring, the trend indicates that Katwijk aan Zee transitions from the wetter winter months to a drier, more hopeful outlook, priming the landscape for the vibrant growth of May and beyond.
In April, Katwijk aan Zee experiences a humidity level of 85%, a slight decrease from the preceding months, which typically hover around 87% in winter and early spring. This gradual decline signals the onset of warmer months, as the humidity continues to drop towards 84% in May and further to 81% in June. The trend showcases a seasonal shift, with the spring air becoming crisper and more inviting, paving the way for a delightful transition into summer. Despite April's drop, the humidity remains relatively high compared to the drier months of July and August, ensuring that the coastal charm of Katwijk aan Zee is complemented by the refreshing Atlantic breezes.
As spring unfolds in Katwijk aan Zee, the UV Index begins to rise, reaching 5 in April, which falls into the moderate exposure category. This is a noticeable shift from the previous months, where January and February recorded low UV levels of 1 and 2, respectively. As we transition into April, residents and visitors should be mindful of their sun exposure, with a burn time of just 30 minutes under the midday sun. This trend indicates the approach of sunnier days, leading into the high UV levels in May. So, whether you're enjoying a stroll on the beach or soaking up the sun, be sure to check the UV Index regularly for safe sun practices. For detailed updates, visit the Katwijk aan Zee UV Index.
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April in Katwijk aan Zee marks a vibrant transition into the heart of spring, basking in 367 hours of sunshine. This delightful increase from the earlier months illustrates a significant leap as the days grow longer and brighter. Following March's 290 hours, April's sunshine sets the tone for even sunnier days ahead, with May peaking at 419 hours. This upward trend not only signals the arrival of summer but also enhances outdoor activities and the local atmosphere, making Katwijk aan Zee a charming destination for those seeking warmth and beauty by the sea. As sunlight beckons, it invites residents and visitors alike to revel in the blossoming landscape and invigorating sea breezes.
As spring unfolds, Katwijk aan Zee experiences a notable increase in the likelihood of sunny weather, with April boasting a 42% chance of sun. This marks a significant rise from the preceding months, where January and February languish at 18% and 27%, respectively. Notably, March starts the upward trend at 36%, paving the way for April's sunny promise. While the sunshine probability dips slightly in May and throughout the summer, April stands out as a bright beacon of hope for sun-seekers, marking a delightful transition into warmer days. As the days grow longer and the chill of winter fades, residents and visitors alike can look forward to basking in the increasing sunshine that April generously offers.
In April, Katwijk aan Zee experiences a delightful increase in daylight, with 13 hours illuminating the skies, signaling the vibrant arrival of spring. This shift marks a notable progression from the 11 hours in March, as the days lengthen and the community begins to shake off the winter chill. As we look ahead, the gradual ascent continues into May, where daylight reaches 15 hours, creating a rich tapestry of sunshine that enhances outdoor activities and coastal charm. This trend not only reflects a warming atmosphere but also encourages a newfound energy in the air, inviting both locals and visitors to revel in the beauty of longer, sun-soaked days.
As April rolls in at Katwijk aan Zee, the coastal town experiences a slight breeze of change, with average wind speeds dipping to 5.4 m/s (12 mph). This gentle wind is an indicator of the transition into warmer months, as it follows a steady decline that begins in March. Interestingly, compared to the earlier months of the year, April's winds are met with a sense of calm, hinting at the approaching milder days of late spring and summer. While the winds pick up again in October, residents and visitors alike can enjoy the more tranquil atmosphere in April, setting the perfect stage for leisurely beach strolls and vibrant coastal activities.
Weather in Katwijk aan Zee varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Katwijk aan Zee, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present quite different weather patterns. In April, temperatures range from a minimum of 1°C (35°F) to a pleasant average of 9°C (49°F), peaking at a maximum of 24°C (75°F). The month experiences 43 mm (1.7 in) of precipitation over about 9 days, with humidity levels at 85%. In contrast, January features colder conditions, with temperatures dropping to a minimum of -4°C (25°F) and averaging 5°C (42°F), reaching a maximum of 13°C (55°F). Precipitation in January is higher, totaling 66 mm (2.6 in) over 14 days, and humidity slightly increases to 87%. For a detailed look at January weather, visit Katwijk aan Zee weather in January.
In comparing the weather between April and February, April typically offers milder temperatures with a minimum of 1°C (35°F) and an average of 9°C (49°F), peaking at a pleasant 24°C (75°F). In contrast, February experiences colder conditions, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 16°C (60°F), averaging only 5°C (42°F). While April sees about 43 mm (1.7 in) of precipitation over 9 days, February is generally wetter, accumulating 72 mm (2.8 in) of rain over 13 days. Humidity levels are slightly higher in February at 87%, compared to April's 85%. For more detailed information, check out Katwijk aan Zee weather in February.
In comparing the weather between March and April, April emerges as a notably milder month. With temperatures ranging from a low of 1°C (35°F) to a pleasant high of 24°C (75°F), the average temperature in April is 9°C (49°F), significantly warmer than March's range, which dips to -7°C (20°F) and peaks at 18°C (65°F) with an average of 7°C (44°F). Additionally, April sees less precipitation, receiving only 43 mm (1.7 in) over 9 days compared to March's 71 mm (2.8 in) spread across 14 days. Humidity levels are slightly lower in April at 85% versus 86% in March, contributing to a more comfortable climate as spring approaches. For those looking for specific weather details, visit Katwijk aan Zee weather in March.
April and May showcase a noticeable transition in weather patterns. In April, temperatures range from a minimum of 1°C (35°F) to a maximum of 24°C (75°F), with an average of 9°C (49°F). The month experiences approximately 43 mm (1.7 in) of precipitation over 9 days, accompanied by relatively high humidity of 85%.
In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F) and an average of 13°C (55°F). Precipitation increases slightly to 58 mm (2.3 in) over 11 days, while humidity remains similar at 84%. This change marks a shift to more pleasant weather, perfect for outdoor activities. For more detailed insights on the weather specific to this month, check Katwijk aan Zee weather in May.
April and June present distinct changes in weather patterns. In April, temperatures range from a chilly minimum of 1°C (35°F) to a more comfortable maximum of 24°C (75°F), with an average of 9°C (49°F). The month sees about 43 mm (1.7 in) of precipitation over 9 days, along with relatively high humidity at 85%.
Conversely, June brings warmer conditions, with minimum temperatures of 9°C (49°F) and maximum temperatures soaring up to 29°C (84°F), averaging 17°C (62°F). Precipitation increases to 70 mm (2.8 in) over 10 days, while humidity slightly decreases to 81%. Overall, June offers a more pleasant and warm climate compared to the cooler, wetter April. For more details, you can check Katwijk aan Zee weather in June.
April and July exhibit stark differences in weather characteristics. In April, temperatures range from a chilly 1°C (35°F) at night to a mild 24°C (75°F) during the day, with an average temperature of 9°C (49°F). The month sees a decent amount of precipitation, totaling 43 mm (1.7 in) over about 9 days, and high humidity levels at 85%. In contrast, July offers much warmer conditions, with nighttime lows of 11°C (52°F) and daytime highs soaring to 33°C (92°F), averaging 18°C (65°F). July is also rainier, receiving 68 mm (2.7 in) of precipitation over about 13 days, but maintains slightly lower humidity at 80%. For a detailed look at July weather, check out Katwijk aan Zee weather in July.
April and August present distinct weather patterns, reflecting the transition from spring to late summer. In April, the temperatures range from a chilly minimum of 1°C (35°F) to a comfortable maximum of 24°C (75°F), with an average temperature of 9°C (49°F). The month experiences 43 mm (1.7 in) of precipitation over approximately 9 days, coupled with relatively high humidity at 85%. In contrast, August sees warmer conditions, with minimum temperatures starting at 12°C (53°F) and peaking at 30°C (86°F), averaging around 19°C (66°F). However, August is also wetter, receiving 95 mm (3.7 in) of rainfall over 15 days, while maintaining slightly lower humidity at 78%. For more insights on the weather during this month, visit Katwijk aan Zee weather in August.
In April, the weather is characterized by colder temperatures, with minimums dropping to around 1°C (35°F) and average highs reaching up to 24°C (75°F). The month tends to be quite humid, with an average humidity of 85% and precipitation occurring on about 9 days, totaling 43 mm (1.7 in). In contrast, September brings warmer temperatures, with a minimum of 8°C (46°F) and an average of 16°C (61°F), peaking at 27°C (81°F). Nevertheless, it also sees increased rainfall, with 96 mm (3.8 in) spread over approximately 13 days. The humidity is slightly lower at 83%, making for a more comfortable atmosphere during the transition into autumn. For more detailed information, you can check the Katwijk aan Zee weather in September.
April and October present a marked contrast in weather patterns. In April, temperatures range from a chilly 1°C (35°F) at night to a mild 24°C (75°F) during the day, with an average of 9°C (49°F). The month typically experiences 43 mm (1.7 in) of precipitation over about 9 days, accompanied by high humidity at 85%. In contrast, October sees slightly warmer minimum temperatures starting at 4°C (39°F) and a comfortable average of 13°C (56°F), peaking at 23°C (74°F). However, it is a notably wetter month, with 120 mm (4.7 in) of rain spread across 17 days, while humidity remains similar at 86%. For further insights into October's climate, you can visit Katwijk aan Zee weather in October.
April and November share similar minimum temperatures, both starting around 1°C (33-35°F), but April experiences a higher maximum at 24°C (75°F) compared to November's 17°C (63°F). While April enjoys an average temperature of 9°C (49°F), November's average is slightly lower at 9°C (48°F). Precipitation is also notable in both months, with April receiving 43 mm (1.7 in) across 9 days, whereas November sees increased rainfall with 70 mm (2.8 in) over 15 days, leading to a higher humidity of 87%. For more insights on the weather patterns, you can check Katwijk aan Zee weather in November.
April and December in Katwijk aan Zee showcase contrasting weather patterns. In April, the temperatures range from a chilly 1°C (35°F) at night to a delightful 24°C (75°F) during the day, with an average temperature of 9°C (49°F). The month sees about 43 mm (1.7 in) of precipitation over 9 days, accompanied by high humidity at 85%. Conversely, December ushers in colder conditions, with temperatures dipping to a minimum of -2°C (28°F) and a maximum of 13°C (55°F), averaging around 6°C (44°F). The month is considerably wetter, with 110 mm (4.3 in) of rain over 18 days and a slightly higher humidity level of 86%. For a deeper look into December weather specifics, check out Katwijk aan Zee weather in December.
April in Katwijk aan Zee marks a delightful transition from the chill of winter to the more temperate spring days. With a pleasant average temperature around 9°C, the month brings moments of warmth, occasionally reaching up to a maximum of 24°C, making it perfect for outdoor activities. However, the air is often filled with 85% humidity, ensuring that even the sunniest days can feel refreshing. While rainfall is present, totaling about 43 mm over nine days, it tends to be brief, allowing for plenty of opportunities to enjoy the scenic beauty that Katwijk aan Zee offers during this vibrant season. For more detailed insight on year-round conditions, visit Katwijk aan Zee Climate.