May Weather in Ulmu, Romania

Last updated: August 27, 2025

In May, the average temperature in Ulmu, Romania hovers around 18°C (64°F), with a comfortable range that sees a minimum of 5°C (41°F) and a maximum of 30°C (86°F). Expect about 53 mm (2.1 in) of precipitation spread over 9 days, contributing to an average humidity level of 71%. Whether you're exploring the sights or relaxing outdoors, be prepared for a pleasantly mild climate!

May Temperature in Ulmu

In May, in Ulmu, the average temperature is 18°C (64°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop as low as 5°C (41°F). Layered clothing is recommended for travelers to accommodate the varying temperatures throughout the day.

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

The chart illustrates May temperature patterns in Ulmu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulmu, May typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Ulmu

In Ulmu in May, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

May Precipitation Trends in Ulmu

The chart displays monthly precipitation patterns in Ulmu, 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 Ulmu, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 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 Ulmu

In Ulmu in May, humidity is 71%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making traveling a bit sticky but still pleasant as the warmth envelops you, urging you to explore the vibrant surroundings while staying hydrated.

May Average Humidity in Ulmu

This chart illustrates the average monthly humidity levels in Ulmu, 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 Ulmu is approximately 71%, 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 Ulmu

In Ulmu in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ulmu.

Maximum UV Index Levels in Ulmu for May

The chart shows the monthly maximum UV Index (UVI) for Ulmu 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 Ulmu typically reaches 8, which falls under the very high exposure category.

Data source: Ulmu 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 Ulmu Compares to Other Months

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

This table compares monthly weather conditions in Ulmu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	40 mm (1.6 inches)	88%	low
February Weather	3°C (39°F)	47 mm (1.9 inches)	85%	moderate
March Weather	7°C (44°F)	62 mm (2.5 inches)	82%	moderate
April Weather	12°C (54°F)	35 mm (1.4 inches)	73%	high
May Weather	18°C (64°F)	53 mm (2.1 inches)	71%	very high
June Weather	22°C (72°F)	93 mm (3.7 inches)	70%	very high
July Weather	24°C (76°F)	73 mm (2.9 inches)	66%	very high
August Weather	25°C (77°F)	19 mm (0.8 inches)	48%	very high
September Weather	20°C (69°F)	20 mm (0.8 inches)	57%	high
October Weather	14°C (57°F)	64 mm (2.5 inches)	79%	moderate
November Weather	8°C (47°F)	37 mm (1.5 inches)	87%	moderate
December Weather	3°C (39°F)	66 mm (2.6 inches)	88%	low