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May Weather in Alfter, Germany

Last updated: August 23, 2025

In May, the average temperature in Alfter, Germany hovers around 14°C (57°F), providing a mild climate for residents and visitors alike. Expect temperature fluctuations, with a minimum dipping to 0°C (33°F) and a maximum soaring up to 33°C (91°F). This month, anticipate 70 mm (2.8 in) of precipitation over approximately 13 days, alongside an average humidity of 77%, creating a rather lush atmosphere.

May Temperature in Alfter

In May in Alfter, the average temperature is 14°C (57°F). Maximums can reach 33°C (91°F), and minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates May temperature patterns in Alfter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alfter, May typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec384144505766676760544541
Data source: Temperature data for Alfter 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 Alfter

In Alfter in May, the precipitation amount is 70 mm (2.8 in) spread over 13 days.

May Precipitation Trends in Alfter

The chart displays monthly precipitation patterns in Alfter, 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 Alfter, May typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7268723670689380557255100
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Alfter

In Alfter in May, humidity is 77%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel muggy and leaving you craving the shade while you travel.

May Average Humidity in Alfter

This chart illustrates the average monthly humidity levels in Alfter, 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 Alfter is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Alfter

In Alfter 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 Alfter.

Maximum UV Index Levels in Alfter for May

The chart shows the monthly maximum UV Index (UVI) for Alfter 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 Alfter typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Alfter 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 Alfter Compares to Other Months

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

This table compares monthly weather conditions in Alfter, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)72 mm (2.8 inches)91%low
February Weather5°C (41°F)68 mm (2.7 inches)90%low
March Weather7°C (45°F)72 mm (2.8 inches)87%moderate
April Weather10°C (50°F)36 mm (1.4 inches)84%moderate
May Weather14°C (57°F)70 mm (2.8 inches)77%high
June Weather19°C (66°F)68 mm (2.7 inches)74%very high
July Weather20°C (67°F)93 mm (3.7 inches)72%very high
August Weather20°C (67°F)80 mm (3.2 inches)71%high
September Weather16°C (60°F)55 mm (2.2 inches)81%moderate
October Weather12°C (54°F)71 mm (2.8 inches)88%moderate
November Weather7°C (45°F)54 mm (2.1 inches)91%low
December Weather5°C (41°F)100 mm (4.0 inches)92%low

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