May Weather in Hanover, United States

Last updated: June 24, 2025

In May, the average temperature in Hanover, United States is a pleasant 20°C (68°F), with temperatures ranging from a cool 2°C (35°F) to a sweltering 36°C (97°F). Expect 105 mm (4.1 in) of precipitation spread over about 11 days, contributing to an average humidity level of 80%. Perfect for those who enjoy a humid climate!

May Temperature in Hanover

In May in Hanover, the average temperature is 20°C (68°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 2°C (35°F). This wide temperature range means travelers should pack accordingly, bringing clothing suitable for both warm days and cool nights.

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 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).

Data source: Temperature data for Hanover generated using information from the Copernicus Climate Change Service.

May Precipitation in Hanover

In Hanover in May, the precipitation amount is 105 mm (4.1 in) over the course of 11 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 105 mm (4.1 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Hanover

In Hanover in May, humidity is 80%. With an average temperature of 20°C (68°F), this humidity feels like traveling through a warm, dense blanket that clings to your skin, making you feel both sticky and lethargic as you explore the sights.

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 80%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	66 mm (2.6 inches)	84%	moderate
February Weather	7°C (45°F)	97 mm (3.8 inches)	83%	high
March Weather	10°C (50°F)	79 mm (3.1 inches)	82%	high
April Weather	15°C (60°F)	107 mm (4.2 inches)	81%	very high
May Weather	20°C (68°F)	105 mm (4.1 inches)	80%	very high
June Weather	24°C (76°F)	130 mm (5.1 inches)	82%	very high
July Weather	27°C (81°F)	115 mm (4.5 inches)	81%	very high
August Weather	25°C (78°F)	175 mm (6.9 inches)	81%	very high
September Weather	23°C (73°F)	103 mm (4.1 inches)	78%	very high
October Weather	18°C (64°F)	123 mm (4.9 inches)	80%	high
November Weather	10°C (50°F)	74 mm (2.9 inches)	84%	moderate
December Weather	6°C (44°F)	91 mm (3.6 inches)	84%	moderate