May Weather in Pernik, Bulgaria

Last updated: August 22, 2025

The average temperature in Pernik, Bulgaria during May is a comfortable 15°C (59°F). Expect a minimum of 1°C (34°F) and a maximum of 30°C (86°F). Throughout this month, the area receives about 47 mm (1.8 in) of precipitation spread over 11 days, with an average humidity level of 73%.

May Temperature in Pernik

In May in Pernik, the average temperature is 15°C (59°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 1°C (34°F). Make sure to pack layers to enjoy a comfortable and versatile trip!

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

The chart illustrates May temperature patterns in Pernik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pernik, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Pernik

In Pernik in May, the total precipitation amount is 47 mm (1.8 in), which falls over the course of 11 days.

May Precipitation Trends in Pernik

The chart displays monthly precipitation patterns in Pernik, 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 Pernik, May typically receives around 47 mm (1.8 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 Pernik

In Pernik in May humidity is 73%. With an average temperature of 15°C (59°F), this humidity feels like a mild discomfort, making sightseeing a bit sticky and requiring travelers to stay hydrated and take breaks in the shade.

May Average Humidity in Pernik

This chart illustrates the average monthly humidity levels in Pernik, 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 Pernik is approximately 73%, 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 Pernik

In Pernik 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 Pernik.

Maximum UV Index Levels in Pernik for May

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

Data source: Pernik 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 Pernik Compares to Other Months

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

This table compares monthly weather conditions in Pernik, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	56 mm (2.2 inches)	89%	low
February Weather	3°C (38°F)	47 mm (1.9 inches)	85%	moderate
March Weather	6°C (42°F)	75 mm (2.9 inches)	83%	high
April Weather	10°C (50°F)	53 mm (2.1 inches)	71%	very high
May Weather	15°C (59°F)	47 mm (1.8 inches)	73%	very high
June Weather	19°C (66°F)	58 mm (2.3 inches)	67%	very high
July Weather	21°C (70°F)	50 mm (2.0 inches)	68%	very high
August Weather	22°C (71°F)	24 mm (0.9 inches)	50%	very high
September Weather	17°C (63°F)	25 mm (1.0 inches)	59%	high
October Weather	11°C (53°F)	45 mm (1.8 inches)	79%	high
November Weather	6°C (44°F)	38 mm (1.5 inches)	87%	moderate
December Weather	2°C (36°F)	80 mm (3.2 inches)	89%	low