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December Weather in Isperih, Bulgaria

Last updated: August 22, 2025

In Isperih, Bulgaria, the average temperature for December hovers around 4°C (39°F). Be prepared for a chilly experience, as temperatures can dip to a minimum of -16°C (4°F) while occasionally reaching a maximum of 18°C (65°F). During this month, expect about 72 mm (2.9 in) of precipitation spread over 12 days, contributing to an average humidity level of 87%.

December Temperature in Isperih

In December in Isperih, the average temperature is 4°C (39°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -16°C (4°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates December temperature patterns in Isperih, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isperih, December typically has an average temperature of 4°C (39°F), with highs reaching up to 18°C (65°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843526270747567564638
Data source: Temperature data for Isperih 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 Isperih

In Isperih in December, the precipitation amount is 72 mm (2.9 in) over the course of 12 days.

December Precipitation Trends in Isperih

The chart displays monthly precipitation patterns in Isperih, 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 Isperih, December typically receives around 72 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4750673766104622024615073
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Isperih

In Isperih in December, humidity is 87%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and gritty, as the air hangs heavy and clings to your skin.

December Average Humidity in Isperih

This chart illustrates the average monthly humidity levels in Isperih, 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 Isperih 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 Isperih

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

Maximum UV Index Levels in Isperih for December

The chart shows the monthly maximum UV Index (UVI) for Isperih 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 Isperih typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: Isperih 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 Isperih Compares to Other Months

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

This table compares monthly weather conditions in Isperih, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)47 mm (1.8 inches)88%low
February Weather4°C (39°F)50 mm (2.0 inches)84%moderate
March Weather6°C (43°F)67 mm (2.6 inches)81%high
April Weather11°C (52°F)37 mm (1.5 inches)70%high
May Weather17°C (62°F)65 mm (2.6 inches)72%very high
June Weather21°C (70°F)104 mm (4.1 inches)66%very high
July Weather23°C (74°F)62 mm (2.5 inches)62%very high
August Weather24°C (76°F)19 mm (0.8 inches)48%very high
September Weather20°C (68°F)24 mm (0.9 inches)58%high
October Weather13°C (56°F)61 mm (2.4 inches)78%moderate
November Weather8°C (47°F)50 mm (2.0 inches)85%moderate
December Weather4°C (39°F)72 mm (2.9 inches)87%low

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