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December Weather in Harmanli, Turkey

Last updated: August 27, 2025

In December, the average temperature in Harmanli, Turkey is a crisp 5°C (41°F). Expect a chill, with minimums plummeting to -11°C (12°F), while the mercury can rise to a moderate 16°C (62°F). Be prepared for some wet weather, as 162 mm (6.4 in) of precipitation usually falls over about 12 days. With an average humidity of 78%, this month promises a distinctive blend of coolness and moisture.

December Temperature in Harmanli

In December in Harmanli, the average temperature is 5°C (41°F). Maximums can reach 16°C (62°F) and minimums can be as low as -11°C (12°F). Be prepared for a wide range of temperatures when traveling, as layering your clothing will help you stay comfortable throughout the day.

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

The chart illustrates December 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, December typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (62°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec353945556575838375634941
Data source: Temperature data for Harmanli generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Harmanli

In Harmanli in December, the total precipitation amount reaches 162 mm (6.4 in) over the course of 12 days.

December Precipitation Trends in Harmanli

The chart displays monthly precipitation patterns in Harmanli, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Harmanli, December typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1377995683560112954162
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Harmanli

In Harmanli in December, humidity is 78%. With an average temperature of 5°C (41°F), this humidity feels like walking through a chill that clings to your skin, making every breath feel damp and cold, which can be uncomfortable for traveling.

December Average Humidity in Harmanli

This chart illustrates the average monthly humidity levels in Harmanli, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Harmanli is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%73%63%62%45%32%26%35%51%66%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Harmanli

In Harmanli in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Harmanli, you can check the information here.

Maximum UV Index Levels in Harmanli for December

The chart shows the monthly maximum UV Index (UVI) for Harmanli in December, 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 December, the maximum UV index in Harmanli typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111211109743
Data source: Harmanli December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)137 mm (5.4 inches)75%moderate
February Weather4°C (39°F)79 mm (3.1 inches)75%moderate
March Weather7°C (45°F)95 mm (3.7 inches)73%very high
April Weather13°C (55°F)68 mm (2.7 inches)63%very high
May Weather18°C (65°F)35 mm (1.4 inches)62%extreme
June Weather24°C (75°F)6 mm (0.2 inches)45%extreme
July Weather29°C (84°F)0 mm (0.0 inches)32%extreme
August Weather28°C (83°F)1 mm (0.1 inches)26%very high
September Weather24°C (76°F)1 mm (0.0 inches)35%very high
October Weather17°C (63°F)29 mm (1.1 inches)51%high
November Weather9°C (49°F)54 mm (2.1 inches)66%moderate
December Weather5°C (41°F)162 mm (6.4 inches)78%moderate

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