April Weather in Hoorn, Netherlands

Last updated: August 27, 2025

In April, Hoorn, Netherlands experiences a delightful transition into spring, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), creating a serene climate for outdoor exploration. The average temperature hovers around a mild 9°C (49°F), making it perfect for enjoying the blossoming landscapes. However, residents and visitors should prepare for occasional rain, as the month sees about 39 mm (1.5 in) of precipitation spread over 9 days. Despite the rain, the humidity levels remain relatively high at 85%, further enhancing the fresh, vibrant atmosphere characteristic of spring in this charming Dutch town.

April Temperature in Hoorn

In April, Hoorn experiences a noticeable shift in temperatures as spring takes hold. The month begins with a chilly minimum of 1°C (34°F), but as the days progress, the average temperature rises to a comfortable 9°C (49°F). This warming trend peaks with a delightful maximum of 25°C (77°F), highlighting the season's transition from winter’s grasp to the warmth of summer. With temperatures steadily climbing from the colder months of January through March, April stands out as a time of renewal, inviting residents and visitors alike to relish the blossoming beauty of the area.

April Weather in Hoorn: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hoorn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hoorn, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec414144485562646560554743
Data source: Temperature data for Hoorn generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Hoorn

April in Hoorn, Netherlands, marks a notable reduction in precipitation, with only 39 mm (1.5 in) recorded over 9 days. This is a shift from the wetter months of winter and early spring, where average rainfall peaked at 69 mm (2.7 in) in February and 65 mm (2.6 in) in March. As the city pivots towards summer, the lighter April showers hint at the upcoming warmer months, where precipitation tends to increase again in May with 47 mm (1.8 in). This trend signifies a transition, not just in precipitation levels, but also in the overall atmosphere of the season as Hoorn welcomes the freshness of spring.

April Precipitation Trends in Hoorn

The chart displays monthly precipitation patterns in Hoorn, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hoorn, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec566966394768769081965492
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hoorn

In April, Hoorn, Netherlands experiences a slight dip in humidity, averaging 85%, continuing the trend of marginal reductions that begin as winter gives way to spring. Following the high levels of 87% seen in the early months of the year, the humidity gently decreases, suggesting a gradual shift towards the drier conditions of late spring and summer. Notably, while April shows a year-on-year decline from the buddings of winter, humidity remains significantly higher than the drier months of July and August, reflecting the region's maritime climate. This transitional phase serves as a reminder of the lingering moisture before the warmer months become prevalent, fostering a vibrant and lush landscape typical of the season.

April Average Humidity in Hoorn

This chart illustrates the average monthly humidity levels in Hoorn, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Hoorn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%85%84%82%80%78%83%86%87%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hoorn

As spring unfolds in Hoorn, the April UV Index rises to 5, indicating a moderate level of sun exposure. This marks a noticeable increase from the previous months, where the UV Index hovered at 2 in February and 4 in March. With a burn time of just 30 minutes, it's essential for residents and visitors alike to take precautionary measures when enjoying the blossoming outdoors. The trend hints at the sun's growing intensity as we move towards summer, making it crucial to stay informed about UV levels. To learn more about the UV forecast throughout the year, visit Hoorn UV Index.

Maximum UV Index Levels in Hoorn for April

The chart shows the monthly maximum UV Index (UVI) for Hoorn in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Hoorn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Hoorn April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Hoorn

April in Hoorn, Netherlands, marks a delightful transition as the days grow longer and the sun shines more brightly, boasting 364 hours of sunlight. This increase from the preceding months highlights a remarkable upward trend; January starts with a mere 113 hours, while February and March gradually improve to 203 and 294 hours, respectively. April not only ushers in the most sunshine of the spring season but also sets the stage for the peak in May, when sunlight reaches 419 hours. This gradual escalation throughout early spring is a welcome shift, igniting a sense of optimism in the air as residents embrace the burgeoning warmth and vibrant blooms around them.

Monthly Sunshine Duration in Hoorn: April Highlighted

The April sunshine duration represents the total number of hours Hoorn experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec113h203h294h364h419h415h426h403h330h246h198h139h
Data source: Hoorn April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hoorn During April

As spring blossoms in Hoorn, the likelihood of sunny weather significantly improves in April, marking a delightful transition from the winter chill. With a 40% chance of sun, April showcases a notable increase from the previous months, where the chances were just 21% in January and only 27% in February. This upward trend continues into May, but April stands out as a time when residents can truly begin to embrace outdoor activities under clearer skies. Following the budding warmth of March, which offers a 33% chance, April emerges as a promising month for sun seekers, hinting at the vibrant summer days to come. Enjoy this blossoming sunshine while it lasts!

Percentage of Sunny Days in April in Hoorn

The chart illustrates the percentage of sunny days in Hoorn throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Hoorn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%27%33%40%35%39%36%36%31%27%23%20%
Data source: Hoorn April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hoorn in April

As April arrives in Hoorn, the days begin to lengthen significantly, offering 13 hours of daylight—a noticeable leap from the 11 hours seen in March. This gradual transition from the shorter winter days to the longer summer evenings is a hallmark of the region's seasonal rhythm. Following April, the trend continues upward, with daylight peaking at 16 hours in both June and July, creating an inviting atmosphere for outdoor activities and gatherings. As we move towards autumn, daylight gradually diminishes, reminding residents of the cyclical nature of time as they enjoy brighter mornings and extended twilight throughout the spring.

Average Daylight Hours in Hoorn for April

The chart illustrates the variation in daylight duration in Hoorn throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 48m16h 45m16h 15m14h 36m12h 36m10h 33m8h 41m7h 41m
Data source: Hoorn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Hoorn

As April unfolds in Hoorn, Netherlands, the winds gently lull at an average speed of 5.6 m/s (13 mph), slightly less than the preceding months. This subtle decrease reflects a transition into spring, where the breezy charm of the region invites blossoming flowers and budding trees. Notably, after a steady pattern through winter and early spring, winds generally begin to soften in May, touching their lowest mark at 5.2 m/s (12 mph) before they stir back up in early summer. This seasonal pattern hints at nature's rhythm, where the winds of April, though just a whisper compared to the gusts of October, still carry the signs of rejuvenation and warmth that characterize this time of year.

Average April Wind Speed in Hoorn

The chart displays monthly wind speed patterns in Hoorn, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.86.05.85.6 m/s5.24.14.65.44.46.35.05.6
Data source: Hoorn April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Hoorn Compares to Other Months

Weather in Hoorn varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hoorn, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January weather in Hoorn present a striking contrast. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 9°C (49°F), while January is notably colder, with temperatures fluctuating between -5°C (24°F) and 12°C (54°F), averaging around 5°C (41°F). Precipitation is higher in January, totaling 56 mm (2.2 in) over 12 days compared to April's 39 mm (1.5 in) across 9 days. Both months experience high humidity, with January at 87% and April slightly lower at 85%. For more detailed weather information, check out Hoorn weather in January.

April and February present contrasting weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 9°C (49°F). The month sees moderate precipitation of 39 mm (1.5 in) spread over about 9 days, coupled with a humidity level of 85%. In contrast, February is colder, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (60°F), averaging around 5°C (41°F). This month experiences heavier precipitation at 69 mm (2.7 in) over 12 days and a slightly higher humidity of 87%. For a more detailed look at February conditions, check out Hoorn weather in February.

In comparing the weather of April and March, it is clear that April brings a noticeable warmth, with average temperatures rising to 9°C (49°F) compared to March's 6°C (44°F). The maximum temperature in April can reach up to 25°C (77°F), significantly higher than March's peak of 17°C (64°F). However, March experiences more precipitation, with a total of 65 mm (2.6 in) over 13 days, while April sees 39 mm (1.5 in) across 9 days. Humidity levels remain quite similar, with April at 85% and March at 86%. For more details on March weather specifically, you can visit Hoorn weather in March.

April and May both present a smooth transition from the cooler early spring to a milder late spring. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 9°C (49°F). The month experiences about 39 mm (1.5 in) of precipitation over 9 days, coupled with high humidity at 85%. In contrast, May sees slightly warmer temperatures, with a minimum of 4°C (39°F), an average of 13°C (55°F), and a maximum of 28°C (83°F). However, it also brings increased rainfall, totaling 47 mm (1.8 in) across 10 days and a humidity level of 84%. For more detailed information on May's weather, you can visit Hoorn weather in May.

April and June present quite different weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), averaging around 9°C (49°F). The month experiences moderate precipitation of 39 mm (1.5 in) over 9 days, coupled with high humidity levels of 85%. In contrast, June warms up significantly with temperatures ranging from a minimum of 8°C (47°F) to a high of 30°C (87°F), averaging 17°C (62°F). This month also sees increased rainfall, totaling 68 mm (2.7 in) across 10 days, though humidity is slightly lower at 81%. For more detailed information about the weather in June, you can refer to Hoorn weather in June.

April and July exhibit contrasting weather patterns, showcasing the transition from spring to summer. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 9°C (49°F). The month experiences about 39 mm (1.5 in) of precipitation over approximately 9 days, accompanied by high humidity levels at 85%. In contrast, July brings warmer temperatures, with a minimum of 11°C (51°F) and a maximum reaching 33°C (92°F), averaging 18°C (65°F). Nonetheless, it is also wetter, with 76 mm (3.0 in) of precipitation expected over around 13 days and a humidity level of 80%. For more details, see Hoorn weather in July.

April typically sees cooler temperatures, with a minimum of 1°C (34°F) and an average of 9°C (49°F), while August experiences much warmer conditions, starting at a minimum of 11°C (52°F) and averaging 18°C (65°F). Precipitation levels are higher in August, with 90 mm (3.6 in) over 16 days compared to April's 39 mm (1.5 in) across 9 days. Humidity also remains relatively high in April at 85%, while August maintains a slightly lower level at 78%. For more detailed information, visit Hoorn weather in August.

In April, temperatures tend to be cooler, with minimums around 1°C (34°F) and average highs reaching up to 25°C (77°F), while September offers a milder climate with minimums at 7°C (45°F) and average highs of 27°C (80°F). April experiences about 39 mm (1.5 in) of precipitation over 9 days, whereas September is slightly wetter, with 81 mm (3.2 in) of rainfall across 11 days. Humidity levels remain similar, with April at 85% and September at 83%. For a closer look at the specifics of September weather, you can explore Hoorn weather in September.

April and October present distinct contrasts in weather conditions. In April, temperatures range from a chilly 1°C (34°F) at night to a pleasant 25°C (77°F) during the day, with an average of 9°C (49°F). The month experiences about 39 mm (1.5 in) of precipitation over approximately 9 days, accompanied by high humidity at 85%. In contrast, October sees slightly milder nights with a minimum temperature of 4°C (39°F) and an average high of 24°C (75°F), but higher overall precipitation of 96 mm (3.8 in) distributed across around 16 days. Humidity levels remain similar, hovering around 86%. For more detailed insights into the weather in October, you can check Hoorn weather in October.

April and November present distinct weather patterns, each with its own character. April typically enjoys a range of temperatures from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), averaging around 9°C (49°F). The month often experiences 39 mm (1.5 in) of precipitation over approximately 9 days, with humidity levels around 85%. In contrast, November is cooler, with temperatures ranging from 0°C (33°F) to 17°C (63°F) and an average of 8°C (47°F). It tends to be wetter, with 54 mm (2.1 in) of rain spread over about 13 days, and slightly higher humidity at 87%. For a more detailed look at November's weather, you can check out Hoorn weather in November.

April and December present notably different weather patterns. In April, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), with an average of 9°C (49°F). The month experiences relatively low precipitation at 39 mm (1.5 in) over about 9 days, complemented by high humidity at 85%. In contrast, December is much colder, with temperatures dipping to a minimum of -4°C (25°F) and only reaching a maximum of 12°C (54°F), averaging 6°C (43°F). This month sees a significant increase in precipitation, totaling 92 mm (3.6 in) over 16 days, while humidity hovers around 86%. For a closer look at December weather in Hoorn, you can refer to Hoorn weather in December.

Compare Hoorn's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Hoorn

As April unfolds in Hoorn, the transition to spring becomes evident, bringing a refreshing change from the winter chill. With temperatures rising significantly from the freezing lows of earlier months, this time of year showcases a pleasant blend of warmth and lingering coolness. The average temperature hovers around a comfortable 9°C, allowing for more outdoor activities despite the intermittent rain, which graces the town on about nine days throughout the month. While humidity remains elevated at 85%, these conditions set a vibrant stage for blooming flowers and lush landscapes, making April an inviting month for both locals and visitors. To explore more about what the weather looks like throughout the year, check out Hoorn Climate.