May Weather in Katwijk aan Zee, Netherlands

Last updated: August 27, 2025

Experience the delightful weather of Katwijk aan Zee, Netherlands in May, where temperatures can soar to a warm 27°C (80°F), while the average hovers around a comfortable 13°C (55°F). The month showcases a noticeable range, with minimum temperatures dipping to 4°C (40°F). Rainfall contributes to the lush landscape, with a total of 58 mm (2.3 in) of precipitation spread over 11 days, resulting in a humidity level of 84%. May presents a refreshing blend of warm days and occasional showers, perfect for exploring this charming coastal town.

May Temperature in Katwijk aan Zee

In May, Katwijk aan Zee, Netherlands, experiences a noticeable shift towards warmth, with temperatures ranging from a minimum of 4°C (40°F) to a delightful maximum of 27°C (80°F). The average temperature rises to 13°C (55°F), heralding the arrival of spring's full bloom. This month marks a significant transition from the cooler, often biting cold of earlier months, as both the minimum and maximum temperatures rise markedly. With the pleasant warmth of late spring, May is the perfect time to enjoy the sun-drenched beaches and scenic landscapes, as the weather invites both locals and visitors to embrace the outdoors.

May Weather in Katwijk aan Zee: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Katwijk aan Zee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katwijk aan Zee, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec414144485562646560554844
Data source: Temperature data for Katwijk aan Zee generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Katwijk aan Zee

In May, Katwijk aan Zee experiences a moderate level of rainfall, with a total precipitation of 58 mm (2.3 in) spread across 11 days. This marks a slight increase from April's drier conditions, where only 43 mm (1.7 in) fell over 9 days. As spring transitions into summer, this uptick in moisture hints at a seasonal shift, setting the stage for lusher landscapes and vibrant blooms. Interestingly, the rainfall in May reflects patterns seen in the preceding months, as April's lower totals give way to a more balanced precipitation regime that continues into June, which typically sees about 70 mm (2.8 in). This gradual increase indicates a welcoming of milder weather, ideal for outdoor activities while still highlighting the region's maritime climate.

May Precipitation Trends in Katwijk aan Zee

The chart displays monthly precipitation patterns in Katwijk aan Zee, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Katwijk aan Zee, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec66727143587068959612070110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Katwijk aan Zee

In May, humidity in Katwijk aan Zee, Netherlands, settles at a comfortable 84%, reflecting a subtle decline from the higher levels seen in the earlier months of the year. This slight decrease marks the transition towards the drier summer months, where June and July exhibit even lower humidity levels of 81% and 80%, respectively. Overall, the trend shows a gradual decrease from the winter months, which peak at 87% in both January and February, culminating in a refreshingly moderate atmosphere by late spring. As May unfolds, residents and visitors alike can enjoy the easing humidity before the summer heat arrives.

May Average Humidity in Katwijk aan Zee

This chart illustrates the average monthly humidity levels in Katwijk aan Zee, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Katwijk aan Zee 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Katwijk aan Zee

As spring gives way to summer in Katwijk aan Zee, the UV Index shows a noticeable rise, significantly impacting sun exposure and burn time. In May, the UV Index reaches a high level of 7, which means sun protection becomes essential as the burn time drops to just 25 minutes. This trend highlights the increasing intensity of the sun's rays as the seasons transition, with the index soaring even higher in June and July to a very high level of 8. Despite the upcoming months indicating a peak in UV exposure, May's index serves as a critical reminder to enjoy the sun safely while planning outdoor activities. For more details on UV levels throughout the year, visit Katwijk aan Zee UV Index.

Maximum UV Index Levels in Katwijk aan Zee for May

The chart shows the monthly maximum UV Index (UVI) for Katwijk aan Zee in May, 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 May, the maximum UV index in Katwijk aan Zee typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Katwijk aan Zee May 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.

May Sunshine in Katwijk aan Zee

As May arrives in Katwijk aan Zee, sunlight becomes increasingly generous, boasting an impressive 419 hours of sunshine—a peak that signals the onset of summer. This remarkable increase follows a steady rise from February’s 202 hours while building on the sun-drenched momentum established in previous months. The shift from the cool winter months to the vibrant days of spring is evident as April’s 367 hours smoothly transitions into the promise of summer. Following May, sunshine reaches its zenith in July with 431 hours, where the days remain long and bright. As the year progresses, the sunshine gradually recedes, yet May stands out as a radiant turning point, making it an ideal time to enjoy the coastal charms of this beautiful Dutch seaside town.

Monthly Sunshine Duration in Katwijk aan Zee: May Highlighted

The May sunshine duration represents the total number of hours Katwijk aan Zee experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec117h202h290h367h419h422h431h402h331h245h199h142h
Data source: Katwijk aan Zee May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Katwijk aan Zee During May

In Katwijk aan Zee, the likelihood of sunny weather experiences a gradual rise as spring unfolds, peaking in April with a 42% chance of sunshine. However, as May arrives, this chance dips slightly to 35%, indicating a subtle transitional phase where the sunny days wane just before summer's embrace. Interestingly, the coming summer months like June and July bring a resurgence in sunny opportunities, with chances hovering around 40%. While May may not boast the brightest skies, it remains a lovely month where the promise of sun is still on the horizon, keeping residents and visitors hopeful for clear skies and warmth.

Percentage of Sunny Days in May in Katwijk aan Zee

The chart illustrates the percentage of sunny days in Katwijk aan Zee throughout the year, with May 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 Katwijk aan Zee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%28%36%42%35%40%36%35%32%28%23%18%
Data source: Katwijk aan Zee May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Katwijk aan Zee in May

As spring blooms into summer in Katwijk aan Zee, the daylight duration experiences a delightful increase, peaking in May with 15 hours of sunlight. This month marks a significant leap from April's 13 hours, as longer days usher in vibrant outdoor activities and community events. Following May, the trend continues, reaching a maximum of 16 hours in both June and July, offering ample time for exploration and enjoyment. However, as summer fades into autumn, the daylight gradually decreases, with September seeing 12 hours and October bringing a further decline to 10 hours. This cyclical pattern reflects the region's transition through the seasons, inviting residents and visitors alike to make the most of the extended daylight in spring and early summer.

Average Daylight Hours in Katwijk aan Zee for May

The chart illustrates the variation in daylight duration in Katwijk aan Zee throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 57m15h 44m16h 40m16h 10m14h 33m12h 36m10h 34m8h 45m7h 46m
Data source: Katwijk aan Zee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Katwijk aan Zee

In May, Katwijk aan Zee experiences a gentle drop in average wind speed, averaging 5.2 m/s (12 mph), slightly slower than the previous months. This calming wind reflects the transition into summer, with April's breezes at 5.4 m/s (12 mph) warming the seaside atmosphere. As the month progresses, the wind begins to soften compared to the stronger currents seen earlier in the year, peaking in October at 6.3 m/s (14 mph). The soothing winds of May create a pleasant environment for beachgoers and outdoor enthusiasts alike, hinting at the balmy days of summer that lie ahead. This seasonal trend of gradually decreasing winds culminates in warmer and more tranquil beach experiences, making May an inviting month in this picturesque coastal town.

Average May Wind Speed in Katwijk aan Zee

The chart displays monthly wind speed patterns in Katwijk aan Zee, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.95.95.65.45.2 m/s4.04.65.44.36.35.15.7
Data source: Katwijk aan Zee May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Katwijk aan Zee Compares to Other Months

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

In comparing the weather of May and January, there are notable differences in temperature and overall climate conditions. May boasts a milder range, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), making it significantly warmer than January, which has a chilly range from -4°C (25°F) to a maximum of 13°C (55°F). While May enjoys average temperatures of around 13°C (55°F) and lower humidity at 84%, January experiences colder air with a higher humidity level of 87%. Additionally, precipitation is slightly more prevalent in January, totaling 66 mm (2.6 in) over 14 days compared to 58 mm (2.3 in) over 11 days in May. For a more detailed look at January’s climate, you can check Katwijk aan Zee weather in January.

May and February offer contrasting weather experiences. In May, temperatures range from a chilly 4°C (40°F) at night to a warm 27°C (80°F) during the day, with an average temperature of 13°C (55°F). The month sees relatively lower precipitation at 58 mm (2.3 in) over 11 days and a humidity level of 84%. In contrast, February is much colder, with temperatures dipping to a minimum of -8°C (19°F) and only reaching a maximum of 16°C (60°F), averaging 5°C (42°F). This month experiences slightly higher precipitation at 72 mm (2.8 in) over 13 days, accompanied by a humidity of 87%. For more nuanced details on February weather, check out Katwijk aan Zee weather in February.

In comparing the weather between March and May, May tends to be significantly warmer, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), while March experiences cooler temperatures, with averages from -7°C (20°F) to a maximum of 18°C (65°F). Additionally, May sees lower precipitation levels at 58 mm (2.3 in) over 11 rainy days, in contrast to March, which has 71 mm (2.8 in) of precipitation spread over 14 days. Humidity levels are similar, being slightly lower in May at 84% compared to March's 86%. For more detailed weather insights, you can check Katwijk aan Zee weather in March.

In comparing the weather of May and April, May generally presents milder temperatures and a broader range of highs. While April features a minimum temperature of 1°C (35°F) and an average of 9°C (49°F), May sees a minimum of 4°C (40°F) and an average of 13°C (55°F), with maximum temperatures reaching up to 27°C (80°F). Precipitation is slightly higher in May at 58 mm (2.3 in) over 11 days compared to April's 43 mm (1.7 in) over 9 days. Additionally, May's humidity remains relatively stable at 84%, slightly less than April's 85%. For more detailed insights about April's weather, check out Katwijk aan Zee weather in April.

In May, the weather tends to be cooler with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), averaging around 13°C (55°F). The month experiences about 58 mm (2.3 in) of precipitation over 11 days and a high humidity level of 84%. In contrast, June brings warmer temperatures, with minimums around 9°C (49°F) and maximums reaching 29°C (84°F), averaging 17°C (62°F). There is slightly more precipitation in June at 70 mm (2.8 in) across 10 days, accompanied by a marginally lower humidity of 81%. For a closer look at June's weather specifics, you can check out Katwijk aan Zee weather in June.

In May, the weather is marked by cooler temperatures, with minimums dropping to around 4°C (40°F) and maximums reaching up to 27°C (80°F). The average temperature sits at a mild 13°C (55°F), accompanied by high humidity levels of 84%. Precipitation is relatively moderate, totaling 58 mm (2.3 in) over approximately 11 days.

In contrast, July experiences warmer conditions, with minimum temperatures starting at 11°C (52°F) and soaring to a maximum of 33°C (92°F). The average temperature in July rises to 18°C (65°F), while humidity decreases slightly to 80%. However, rainfall increases to 68 mm (2.7 in), spread over about 13 days, highlighting the summer's unpredictable nature. For a detailed look at July weather, check out Katwijk aan Zee weather in July.

In May, temperatures in Katwijk aan Zee range from a chilly minimum of 4°C (40°F) to a warm maximum of 27°C (80°F), with an average of 13°C (55°F). The month sees around 58 mm (2.3 in) of precipitation over 11 days, coupled with high humidity at 84%. In contrast, August experiences milder conditions, with temperatures ranging from a minimum of 12°C (53°F) to a peak of 30°C (86°F), averaging 19°C (66°F). However, it is wetter, with 95 mm (3.7 in) of rain recorded over 15 days and slightly lower humidity at 78%. For more detailed information on August weather, visit Katwijk aan Zee weather in August.

May and September offer distinct weather experiences. In May, temperatures range from a cool 4°C (40°F) at night to a warm 27°C (80°F) during the day, with an average of 13°C (55°F). The month sees about 58 mm (2.3 in) of precipitation over 11 days and a high humidity of 84%. In contrast, September maintains its warmth with nightly lows of 8°C (46°F) and daytime highs reaching 27°C (81°F), averaging 16°C (61°F). However, it is slightly wetter, receiving 96 mm (3.8 in) of rainfall across 13 days, with humidity just slightly lower at 83%. For a detailed look at September weather, you can visit Katwijk aan Zee weather in September.

In comparing the weather between May and October, we see some notable differences. May typically enjoys warmer daytime temperatures, reaching a maximum of 27°C (80°F), while October's highs are a cooler 23°C (74°F). Both months have a similar minimum temperature of around 4°C (39-40°F) and an average temperature that's quite close, hovering around 13°C (55-56°F). However, October experiences significantly more precipitation, with 120 mm (4.7 in) spread over 17 days compared to May's 58 mm (2.3 in) over just 11 days. Humidity levels are also slightly higher in October at 86%, compared to May's 84%. For more detailed insights, you can check Katwijk aan Zee weather in October.

May and November present distinct weather characteristics, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), with an average of 13°C (55°F), and the season experiences 58 mm (2.3 in) of precipitation over approximately 11 days. The humidity level is relatively high at 84%, contributing to a mild and pleasant atmosphere. In contrast, November features cooler temperatures, with a minimum of 1°C (33°F) and a maximum of only 17°C (63°F), resulting in an average temperature of 9°C (48°F). This month sees slightly higher precipitation at 70 mm (2.8 in) spread over about 15 days, along with a marginally increased humidity of 87%. For a closer look at what to expect, check out Katwijk aan Zee weather in November.

May and December showcase distinct weather patterns, reflecting the seasonal shift from spring to winter. In May, temperatures range from a pleasant minimum of 4°C (40°F) to a sunny maximum of 27°C (80°F), with an average of 13°C (55°F) and relatively low precipitation of 58 mm (2.3 in) over about 11 days, accompanied by a humidity level of 84%. In contrast, December experiences much colder conditions, with temperatures dipping as low as -2°C (28°F) and averaging only 6°C (44°F). It also sees more precipitation, totaling 110 mm (4.3 in) over approximately 18 days, combined with slightly higher humidity at 86%. For those interested in the climate specifics, more details can be found in this link: Katwijk aan Zee weather in December.

Compare Katwijk aan Zee's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Katwijk aan Zee

May in Katwijk aan Zee ushers in a delightful transition from the chill of April to the warmth of summer. With temperatures reaching up to 27°C (80°F), the month offers a marvelous contrast to the cooler averages of previous months, making it an ideal time for beachgoers and outdoor enthusiasts. However, be prepared for the occasional rain, as 11 days of precipitation add a touch of unpredictability to the otherwise mild climate. With humidity levels around 84%, the air feels comfortable, enhancing the experience of exploring this beautiful coastal town. For a deeper understanding of what to expect throughout the year, check out the full details at Katwijk aan Zee Climate!