December Weather in Petrich, Bulgaria

Last updated: August 22, 2025

In December, the average temperature in Petrich, Bulgaria hovers around 4°C (40°F). Temperatures can dip as low as -6°C (22°F), with highs reaching up to 14°C (58°F). Expect about 111 mm (4.4 in) of precipitation spread across 12 days, contributing to an average humidity of a high 87%. Be prepared for a chilly and wet month!

December Temperature in Petrich

In December in Petrich, the average temperature is 4°C (40°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -6°C (22°F). Travelers should pack layers to stay comfortable while exploring the area's chilly yet vibrant winter atmosphere.

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

The chart illustrates December 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, December typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (58°F) and lows dropping to around -6°C (22°F).

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

December Precipitation in Petrich

In Petrich, in December, the precipitation amount is 111 mm (4.4 in) over a span of 12 days.

December Precipitation Trends in Petrich

The chart displays monthly precipitation patterns in Petrich, 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 Petrich, December typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Petrich

In Petrich in December humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

December Average Humidity in Petrich

This chart illustrates the average monthly humidity levels in Petrich, 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 Petrich is approximately 87%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Petrich

In Petrich in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Petrich, you can visit Hourly UV Index in Petrich.

Maximum UV Index Levels in Petrich for December

The chart shows the monthly maximum UV Index (UVI) for Petrich 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 Petrich typically reaches 2, which falls under the low exposure category.

Data source: Petrich 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 Petrich Compares to Other Months

Weather in Petrich varies notably across the year, with each month offering distinct climate conditions. This page compares December’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 December’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