May Weather in Ulm, United States

Last updated: June 24, 2025

In May, the average temperature in Ulm, United States hovers around 12°C (54°F). Expect a range from a chilly -5°C (22°F) to a warm 31°C (87°F). During this month, you'll experience 71 mm (2.8 in) of precipitation spread over 11 days, contributing to an average humidity of 76%.

May Temperature in Ulm

In May in Ulm, the average temperature is 12°C (54°F). Maximum temperatures can reach 31°C (87°F), while minimum temperatures can drop as low as -5°C (22°F). Be prepared for a wide range of weather when traveling during this time.

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

The chart illustrates May temperature patterns in Ulm, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulm, May typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (87°F) and lows dropping to around -5°C (22°F).

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

May Precipitation in Ulm

In Ulm in May, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.

May Precipitation Trends in Ulm

The chart displays monthly precipitation patterns in Ulm, 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 Ulm, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Ulm

In Ulm in May, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.

May Average Humidity in Ulm

This chart illustrates the average monthly humidity levels in Ulm, 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 Ulm is approximately 76%, 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 Ulm

In Ulm in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Ulm.

Maximum UV Index Levels in Ulm for May

The chart shows the monthly maximum UV Index (UVI) for Ulm 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 Ulm typically reaches 9, which falls under the very high exposure category.

Data source: Ulm 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 Ulm Compares to Other Months

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

This table compares monthly weather conditions in Ulm, 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 (26°F)	15 mm (0.6 inches)	87%	low
February Weather	-7°C (19°F)	39 mm (1.6 inches)	88%	moderate
March Weather	1°C (34°F)	25 mm (1.0 inches)	83%	moderate
April Weather	5°C (42°F)	59 mm (2.3 inches)	78%	high
May Weather	12°C (54°F)	71 mm (2.8 inches)	76%	very high
June Weather	17°C (64°F)	77 mm (3.0 inches)	78%	very high
July Weather	22°C (72°F)	12 mm (0.5 inches)	77%	very high
August Weather	21°C (69°F)	24 mm (0.9 inches)	71%	very high
September Weather	15°C (59°F)	38 mm (1.5 inches)	68%	high
October Weather	7°C (44°F)	37 mm (1.5 inches)	72%	moderate
November Weather	2°C (36°F)	29 mm (1.2 inches)	84%	moderate
December Weather	-2°C (29°F)	26 mm (1.0 inches)	90%	low