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May Weather in Castricum, Netherlands

Last updated: August 27, 2025

In Castricum, Netherlands, the average temperature in May is a pleasant 12°C (55°F). However, be prepared for a range, as temperatures can dip to a chilly 4°C (40°F) and rise to a warm 27°C (81°F). Expect 54 mm (2.1 in) of precipitation over about 11 days, contributing to an average humidity of 84%. Enjoy the mild climate while keeping an umbrella handy!

May Temperature in Castricum

In May in Castricum, the average temperature is 12°C (55°F). Maximums can reach 27°C (81°F), and minimums can be as low as 4°C (40°F). This makes Castricum an ideal destination for travelers seeking mild weather and pleasant experiences during this time of year.

May Weather in Castricum: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castricum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castricum, May typically has an average temperature of 12°C (55°F), with highs reaching up to 27°C (81°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414144485462646560554743
Data source: Temperature data for Castricum 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.

May Precipitation in Castricum

In Castricum in May, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.

May Precipitation Trends in Castricum

The chart displays monthly precipitation patterns in Castricum, 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 Castricum, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec62717143547473999311565105
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castricum

In Castricum in May, humidity is 84%. With an average temperature of 12°C (55°F), this humidity feels like a thick blanket wrapping around you, making it a challenge for traveling as you might feel sticky and uncomfortable while exploring the sights.

May Average Humidity in Castricum

This chart illustrates the average monthly humidity levels in Castricum, 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 Castricum is approximately 84%, 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 Castricum

In Castricum in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Castricum.

Maximum UV Index Levels in Castricum for May

The chart shows the monthly maximum UV Index (UVI) for Castricum 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 Castricum typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Castricum 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.

How May Weather in Castricum Compares to Other Months

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

This table compares monthly weather conditions in Castricum, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)62 mm (2.4 inches)87%low
February Weather5°C (42°F)71 mm (2.8 inches)87%low
March Weather7°C (44°F)71 mm (2.8 inches)86%moderate
April Weather9°C (49°F)43 mm (1.7 inches)85%moderate
May Weather12°C (55°F)54 mm (2.1 inches)84%high
June Weather17°C (62°F)74 mm (2.9 inches)81%very high
July Weather18°C (64°F)73 mm (2.9 inches)80%very high
August Weather18°C (65°F)99 mm (3.9 inches)78%high
September Weather16°C (60°F)93 mm (3.7 inches)83%moderate
October Weather13°C (55°F)115 mm (4.5 inches)86%moderate
November Weather9°C (48°F)65 mm (2.6 inches)87%low
December Weather6°C (44°F)105 mm (4.1 inches)86%low

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