May Weather in Petrich, Bulgaria

Last updated: August 22, 2025

In May, the average temperature in Petrich, Bulgaria is a pleasant 17°C (62°F), with a comfortable range of 4°C (39°F) minimum to a warm 30°C (86°F) maximum. Expect an average of 73 mm (2.9 in) of precipitation spread over about 11 days, contributing to a humidity level of approximately 74%. Enjoy the mild climate, but don't forget your umbrella!

May Temperature in Petrich

In May in Petrich, the average temperature is 17°C (62°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 4°C (39°F). This makes it an ideal time for travelers to enjoy a mix of pleasant warm days and cooler evenings, perfect for exploring the area.

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

The chart illustrates May temperature patterns in Petrich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petrich, May typically has an average temperature of 17°C (62°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (39°F).

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

May Precipitation in Petrich

In Petrich in May, the precipitation amount is 73 mm (2.9 in), spread over 11 days.

May Precipitation Trends in Petrich

The chart displays monthly precipitation patterns in Petrich, 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 Petrich, May typically receives around 73 mm (2.9 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 Petrich

In Petrich in May, humidity is 74%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making travel slightly uncomfortable as it can cause perspiration and a heavy feeling in the air, especially during outdoor activities.

May Average Humidity in Petrich

This chart illustrates the average monthly humidity levels in Petrich, 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 Petrich is approximately 74%, 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 Petrich

In Petrich 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 Petrich.

Maximum UV Index Levels in Petrich for May

The chart shows the monthly maximum UV Index (UVI) for Petrich 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 Petrich typically reaches 10, which falls under the very high exposure category.

Data source: Petrich 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 Petrich Compares to Other Months

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

This table compares monthly weather conditions in Petrich, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	68 mm (2.7 inches)	88%	low
February Weather	5°C (41°F)	64 mm (2.5 inches)	83%	moderate
March Weather	7°C (45°F)	92 mm (3.6 inches)	81%	high
April Weather	12°C (53°F)	69 mm (2.7 inches)	71%	very high
May Weather	17°C (62°F)	73 mm (2.9 inches)	74%	very high
June Weather	20°C (69°F)	70 mm (2.8 inches)	63%	extreme
July Weather	23°C (74°F)	50 mm (2.0 inches)	60%	very high
August Weather	24°C (75°F)	31 mm (1.2 inches)	47%	very high
September Weather	19°C (67°F)	32 mm (1.3 inches)	57%	very high
October Weather	13°C (57°F)	56 mm (2.2 inches)	76%	high
November Weather	9°C (48°F)	76 mm (3.0 inches)	85%	moderate
December Weather	4°C (40°F)	111 mm (4.4 inches)	87%	low