May Weather in Simitli, Bulgaria

Last updated: August 22, 2025

In May, the average temperature in Simitli, Bulgaria hovers around 15°C (59°F), with the minimum dipping to 2°C (35°F) and the maximum peaking at 29°C (85°F). Expect about 57 mm (2.3 in) of precipitation spread over 10 days, contributing to an average humidity of 74%.

May Temperature in Simitli

In May in Simitli, the average temperature is 15°C (59°F), with a maximum that can reach 29°C (85°F) and a minimum that can be as low as 2°C (35°F). Be prepared for a range of temperatures during your travels, making it essential to pack layers for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Simitli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simitli, May typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (35°F).

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

May Precipitation in Simitli

In Simitli in May, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.

May Precipitation Trends in Simitli

The chart displays monthly precipitation patterns in Simitli, 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 Simitli, May typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 10 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 Simitli

In Simitli in May, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

May Average Humidity in Simitli

This chart illustrates the average monthly humidity levels in Simitli, 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 Simitli 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 Simitli

In Simitli 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 Simitli.

Maximum UV Index Levels in Simitli for May

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

Data source: Simitli 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 Simitli Compares to Other Months

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

This table compares monthly weather conditions in Simitli, 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 (33°F)	63 mm (2.5 inches)	88%	low
February Weather	4°C (39°F)	55 mm (2.2 inches)	83%	moderate
March Weather	6°C (43°F)	93 mm (3.6 inches)	81%	high
April Weather	10°C (51°F)	64 mm (2.5 inches)	71%	very high
May Weather	15°C (59°F)	57 mm (2.3 inches)	74%	very high
June Weather	19°C (66°F)	58 mm (2.3 inches)	63%	very high
July Weather	21°C (71°F)	37 mm (1.4 inches)	60%	very high
August Weather	22°C (72°F)	23 mm (0.9 inches)	47%	very high
September Weather	18°C (64°F)	28 mm (1.1 inches)	57%	very high
October Weather	12°C (54°F)	54 mm (2.1 inches)	76%	high
November Weather	7°C (46°F)	53 mm (2.1 inches)	85%	moderate
December Weather	3°C (38°F)	98 mm (3.9 inches)	87%	low