October Weather in Harmanli, Bulgaria

Last updated: August 22, 2025

In October, the average temperature in Harmanli, Bulgaria hovers around 15°C (59°F), providing a pleasant climate. However, be prepared for temperature fluctuations, as it can dip to a chilly 3°C (37°F) or rise to a warm 34°C (94°F). Expect some precipitation too, with an average of 81 mm (3.2 in) over 7 days. The air tends to be quite humid, with an average humidity level of 76%, making it advisable to stay hydrated during your visit!

October Temperature in Harmanli

In October in Harmanli, the average temperature is 15°C (59°F). The maximum can reach 34°C (94°F), while the minimum can dip as low as 3°C (37°F). It's advisable to pack a variety of clothing options for your travels, so you can stay comfortable through the range of temperatures.

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

The chart illustrates October 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, October typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (37°F).

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

October Precipitation in Harmanli

In Harmanli in October, the precipitation amount is 81 mm (3.2 in) over a period of 7 days.

October Precipitation Trends in Harmanli

The chart displays monthly precipitation patterns in Harmanli, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Harmanli, October typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Harmanli

In Harmanli in October humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

October Average Humidity in Harmanli

This chart illustrates the average monthly humidity levels in Harmanli, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Harmanli is approximately 76%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Harmanli

In Harmanli in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Harmanli, you can refer to this Hourly UV Index in Harmanli.

Maximum UV Index Levels in Harmanli for October

The chart shows the monthly maximum UV Index (UVI) for Harmanli in October, 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 October, the maximum UV index in Harmanli typically reaches 6, which falls under the high exposure category.

Data source: Harmanli October 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 October 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 October’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 October’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