May Weather in Sumal, Romania

Last updated: August 27, 2025

In May, the average temperature in Sumal, Romania hovers around 16°C (60°F), with a minimum dipping to 1°C (34°F) and a maximum soaring to 29°C (84°F). Expect about 95 mm (3.7 in) of precipitation spread over 17 days, contributing to an average humidity level of 72%. Prepare for a mix of mild and wet days!

May Temperature in Sumal

In May in Sumal, the average temperature is 16°C (60°F). The maximum can reach up to 29°C (84°F), and the minimum can drop as low as 1°C (34°F). This range of temperatures makes Sumal an ideal destination for travelers looking to experience a mix of warm days and cooler nights.

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

The chart illustrates May temperature patterns in Sumal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumal, May typically has an average temperature of 16°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Sumal

In Sumal in May, the total precipitation amount is 95 mm (3.7 in) spread over 17 days.

May Precipitation Trends in Sumal

The chart displays monthly precipitation patterns in Sumal, 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 Sumal, May typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 17 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 Sumal

In Sumal in May, humidity is 72%. With an average temperature of 16°C (60°F), this humidity feels like a warm, damp blanket enveloping you as you travel, making it essential to stay hydrated and take breaks in shaded areas to enjoy your journey comfortably.

May Average Humidity in Sumal

This chart illustrates the average monthly humidity levels in Sumal, 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 Sumal is approximately 72%, 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 Sumal

In Sumal 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 Sumal.

Maximum UV Index Levels in Sumal for May

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

Data source: Sumal 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 Sumal Compares to Other Months

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

This table compares monthly weather conditions in Sumal, 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 (31°F)	46 mm (1.8 inches)	89%	low
February Weather	3°C (37°F)	57 mm (2.3 inches)	87%	moderate
March Weather	6°C (43°F)	50 mm (2.0 inches)	83%	moderate
April Weather	11°C (52°F)	49 mm (1.9 inches)	75%	high
May Weather	16°C (60°F)	95 mm (3.7 inches)	72%	very high
June Weather	20°C (69°F)	103 mm (4.1 inches)	72%	very high
July Weather	21°C (71°F)	82 mm (3.2 inches)	71%	very high
August Weather	22°C (73°F)	42 mm (1.7 inches)	62%	very high
September Weather	17°C (63°F)	49 mm (1.9 inches)	68%	high
October Weather	12°C (54°F)	49 mm (1.9 inches)	84%	moderate
November Weather	7°C (45°F)	47 mm (1.9 inches)	90%	low
December Weather	2°C (37°F)	74 mm (2.9 inches)	92%	low