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December Weather in Calacea, Romania

Last updated: August 27, 2025

In December, the average temperature in Calacea, Romania hovers around 3°C (38°F). Expect chilly conditions, with minimum lows of -9°C (17°F) and highs reaching up to 17°C (63°F). Take note of 87 mm (3.4 in) of precipitation spread over 14 days, creating a humid atmosphere with an average humidity level of 92%.

December Temperature in Calacea

In December in Calacea, the average temperature is 3°C (38°F). The maximum can reach 17°C (63°F), while the minimum can dip as low as -9°C (17°F). This weather makes it essential for travelers to pack warm layers and be prepared for chilly conditions.

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

The chart illustrates December temperature patterns in Calacea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calacea, December typically has an average temperature of 3°C (38°F), with highs reaching up to 17°C (63°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec313843536170727364554638
Data source: Temperature data for Calacea 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 Calacea

In Calacea in December, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.

December Precipitation Trends in Calacea

The chart displays monthly precipitation patterns in Calacea, 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 Calacea, December typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec536555518595634544475587
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Calacea

In Calacea in December humidity is 92%. With an average temperature of 3°C (38°F), this humidity feels like a wet chill that seeps into your bones, making outdoor activities uncomfortable and travel arrangements challenging.

December Average Humidity in Calacea

This chart illustrates the average monthly humidity levels in Calacea, 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 Calacea is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%83%75%72%72%71%62%68%84%90%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Calacea

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

Maximum UV Index Levels in Calacea for December

The chart shows the monthly maximum UV Index (UVI) for Calacea 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 Calacea typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Calacea 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 Calacea Compares to Other Months

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

This table compares monthly weather conditions in Calacea, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)53 mm (2.1 inches)89%low
February Weather3°C (38°F)65 mm (2.6 inches)87%moderate
March Weather6°C (44°F)55 mm (2.2 inches)83%moderate
April Weather12°C (53°F)51 mm (2.0 inches)75%high
May Weather16°C (61°F)85 mm (3.4 inches)72%very high
June Weather21°C (70°F)95 mm (3.7 inches)72%very high
July Weather22°C (72°F)63 mm (2.5 inches)71%very high
August Weather23°C (74°F)45 mm (1.8 inches)62%very high
September Weather18°C (64°F)44 mm (1.7 inches)68%high
October Weather13°C (55°F)47 mm (1.8 inches)84%moderate
November Weather8°C (46°F)55 mm (2.2 inches)90%low
December Weather3°C (38°F)87 mm (3.4 inches)92%low

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