August Weather in Harmanli, Bulgaria

Last updated: August 22, 2025

In August, the average temperature in Harmanli, Bulgaria reaches a pleasant 26°C (79°F). However, temperatures can vary significantly, with a minimum of 13°C (56°F) and soaring up to a sizzling 40°C (104°F). Expect a modest precipitation amount of 17 mm (0.7 in) over approximately 3 days, complemented by an average humidity of 49%.

August Temperature in Harmanli

In August in Harmanli, the average temperature is 26°C (79°F). Maximums can reach 40°C (104°F), while minimums can drop to as low as 13°C (56°F). Be prepared for warm days and cool nights if you're planning to travel during this time!

August Weather in Harmanli: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Harmanli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harmanli, August typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (104°F) and lows dropping to around 13°C (56°F).

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

August Precipitation in Harmanli

In Harmanli in August, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

August Precipitation Trends in Harmanli

The chart displays monthly precipitation patterns in Harmanli, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Harmanli, August typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Harmanli

In Harmanli in August, humidity is 49%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making the air feel soft and slightly heavy, which can be quite pleasant for outdoor adventures, but travelers should stay hydrated to enjoy their explorations fully.

August Average Humidity in Harmanli

This chart illustrates the average monthly humidity levels in Harmanli, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Harmanli is approximately 49%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Harmanli

In Harmanli in August, 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 Harmanli.

Maximum UV Index Levels in Harmanli for August

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

Data source: Harmanli August 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 August Weather in Harmanli Compares to Other Months

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

This table compares monthly weather conditions in Harmanli, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	55 mm (2.2 inches)	87%	low
February Weather	5°C (42°F)	48 mm (1.9 inches)	84%	moderate
March Weather	8°C (46°F)	68 mm (2.7 inches)	81%	high
April Weather	12°C (55°F)	51 mm (2.0 inches)	72%	high
May Weather	18°C (65°F)	61 mm (2.4 inches)	74%	very high
June Weather	22°C (71°F)	108 mm (4.2 inches)	65%	very high
July Weather	25°C (77°F)	49 mm (1.9 inches)	59%	very high
August Weather	26°C (79°F)	17 mm (0.7 inches)	49%	very high
September Weather	21°C (71°F)	23 mm (0.9 inches)	57%	high
October Weather	15°C (59°F)	81 mm (3.2 inches)	76%	high
November Weather	10°C (50°F)	58 mm (2.3 inches)	84%	moderate
December Weather	6°C (42°F)	85 mm (3.3 inches)	86%	low