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December Weather in Chirpan, Bulgaria

Last updated: August 22, 2025

In December, the average temperature in Chirpan, Bulgaria hovers around 5°C (40°F). Temperatures can dip as low as -7°C (20°F) and rise to a pleasant 19°C (67°F). Expect a total precipitation of 73 mm (2.9 in) spread over 10 days, along with an average humidity level of 87%, making for a notably damp atmosphere.

December Temperature in Chirpan

In December in Chirpan, the average temperature is 5°C (40°F). Maximum temperatures can reach 19°C (67°F), while the minimum can drop as low as -7°C (20°F). Be prepared for a mix of mild and chilly weather during your travels.

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

The chart illustrates December temperature patterns in Chirpan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chirpan, December typically has an average temperature of 5°C (40°F), with highs reaching up to 19°C (67°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec354046546471777870584840
Data source: Temperature data for Chirpan 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 Chirpan

In Chirpan in December, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

December Precipitation Trends in Chirpan

The chart displays monthly precipitation patterns in Chirpan, 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 Chirpan, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec424266465396502119686073
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chirpan

In Chirpan in December, humidity is 87%. With an average temperature of 5°C (40°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions less enjoyable and requiring extra layers to stay comfortable while exploring.

December Average Humidity in Chirpan

This chart illustrates the average monthly humidity levels in Chirpan, 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 Chirpan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chirpan

In Chirpan 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 Chirpan, you can visit Hourly UV Index in Chirpan.

Maximum UV Index Levels in Chirpan for December

The chart shows the monthly maximum UV Index (UVI) for Chirpan 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 Chirpan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Chirpan 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 Chirpan Compares to Other Months

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

This table compares monthly weather conditions in Chirpan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)42 mm (1.7 inches)88%low
February Weather5°C (41°F)42 mm (1.7 inches)84%moderate
March Weather8°C (46°F)66 mm (2.6 inches)81%high
April Weather12°C (55°F)46 mm (1.8 inches)70%very high
May Weather18°C (65°F)53 mm (2.1 inches)72%very high
June Weather22°C (71°F)96 mm (3.8 inches)66%very high
July Weather25°C (77°F)49 mm (1.9 inches)62%very high
August Weather26°C (78°F)21 mm (0.8 inches)48%very high
September Weather21°C (70°F)18 mm (0.7 inches)58%high
October Weather14°C (58°F)68 mm (2.7 inches)78%high
November Weather9°C (48°F)60 mm (2.4 inches)85%moderate
December Weather5°C (40°F)73 mm (2.9 inches)87%low

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