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May Weather in Hanover, United States

Last updated: June 24, 2025

In May, the average temperature in Hanover, United States hovers around 17°C (64°F), making it a mild treat for visitors. However, be prepared for temperature swings, as it can dip as low as -1°C (31°F) and soar up to 32°C (90°F). With 133 mm (5.3 in) of precipitation spread over 15 days, it's wise to carry an umbrella. Don't forget, the air is quite humid, with an average humidity level of 82%, adding a tropical touch to your adventures!

May Temperature in Hanover

In May in Hanover, the average temperature is 17°C (64°F). The maximum can reach 32°C (90°F), while the minimum can drop as low as -1°C (31°F). Be prepared for both warm days and chilly nights during your travels!

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

The chart illustrates May temperature patterns in Hanover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanover, May typically has an average temperature of 17°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313543526371767369584237
Data source: Temperature data for Hanover 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 Hanover

In Hanover in May, the precipitation amount is 133 mm (5.3 in) over a span of 15 days.

May Precipitation Trends in Hanover

The chart displays monthly precipitation patterns in Hanover, 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 Hanover, May typically receives around 133 mm (5.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec881121141291341571229810110399105
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hanover

In Hanover in May, humidity is 82%. With an average temperature of 17°C (64°F), this humidity feels like a damp embrace that can make traveling quite uncomfortable, as the sticky air clings to your skin and leaves you yearning for a cool breeze.

May Average Humidity in Hanover

This chart illustrates the average monthly humidity levels in Hanover, 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 Hanover is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hanover

In Hanover in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hanover.

Maximum UV Index Levels in Hanover for May

The chart shows the monthly maximum UV Index (UVI) for Hanover 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 Hanover typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Hanover 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 Hanover Compares to Other Months

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

This table compares monthly weather conditions in Hanover, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)88%moderate
February Weather2°C (35°F)112 mm (4.4 inches)88%moderate
March Weather6°C (43°F)114 mm (4.5 inches)88%high
April Weather11°C (52°F)129 mm (5.1 inches)86%very high
May Weather17°C (64°F)133 mm (5.3 inches)82%very high
June Weather22°C (72°F)157 mm (6.2 inches)84%very high
July Weather24°C (76°F)122 mm (4.8 inches)82%very high
August Weather23°C (74°F)98 mm (3.8 inches)73%very high
September Weather20°C (69°F)101 mm (4.0 inches)73%very high
October Weather14°C (58°F)103 mm (4.1 inches)81%high
November Weather6°C (42°F)99 mm (3.9 inches)89%moderate
December Weather3°C (37°F)105 mm (4.1 inches)86%moderate

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