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May Weather in Katwijk aan den Rijn, Netherlands

Last updated: August 27, 2025

In May, the average temperature in Katwijk aan den Rijn, Netherlands hovers around 13°C (55°F), with daily variations between a cool 4°C (40°F) and a warm 27°C (80°F). Precipitation levels are notable, with about 58 mm (2.3 in) of rain spread across 11 days, while the air remains quite humid, averaging 84%.

May Temperature in Katwijk aan den Rijn

In May in Katwijk aan den Rijn, the average temperature is 13°C (55°F), with maximums reaching 27°C (80°F) and minimums dropping as low as 4°C (40°F). This varied climate makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Katwijk aan den Rijn, 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 den Rijn, May typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (80°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414144485562646560554844
Data source: Temperature data for Katwijk aan den Rijn 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 Katwijk aan den Rijn

In Katwijk aan den Rijn in May, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

May Precipitation Trends in Katwijk aan den Rijn

The chart displays monthly precipitation patterns in Katwijk aan den Rijn, 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 den Rijn, May typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec66727143587068959612070110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Katwijk aan den Rijn

In Katwijk aan den Rijn in May humidity is 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining for traveling.

May Average Humidity in Katwijk aan den Rijn

This chart illustrates the average monthly humidity levels in Katwijk aan den Rijn, 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 den Rijn 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 Katwijk aan den Rijn

In Katwijk aan den Rijn 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 Katwijk aan den Rijn.

Maximum UV Index Levels in Katwijk aan den Rijn for May

The chart shows the monthly maximum UV Index (UVI) for Katwijk aan den Rijn 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 den Rijn typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Katwijk aan den Rijn 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 Katwijk aan den Rijn Compares to Other Months

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

This table compares monthly weather conditions in Katwijk aan den Rijn, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)66 mm (2.6 inches)87%low
February Weather5°C (42°F)72 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 Weather13°C (55°F)58 mm (2.3 inches)84%high
June Weather17°C (62°F)70 mm (2.8 inches)81%very high
July Weather18°C (65°F)68 mm (2.7 inches)80%very high
August Weather19°C (66°F)95 mm (3.7 inches)78%high
September Weather16°C (61°F)96 mm (3.8 inches)83%moderate
October Weather13°C (56°F)120 mm (4.7 inches)86%moderate
November Weather9°C (48°F)70 mm (2.8 inches)87%low
December Weather6°C (44°F)110 mm (4.3 inches)86%low

Compare Katwijk aan den Rijn's Climate with Cities Worldwide