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December Weather in Semlac, Romania

Last updated: August 27, 2025

In Semlac, Romania, the average temperature in December hovers around 3°C (38°F), with minimums dipping to a chilly -9°C (16°F) and maximums reaching a pleasant 16°C (61°F). During this month, expect about 64 mm (2.5 in) of precipitation spread across 11 days, contributing to an average humidity of a staggering 91%.

December Temperature in Semlac

In December in Semlac, the average temperature is 3°C (38°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -9°C (16°F). Be prepared for chilly weather and pack accordingly if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Semlac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semlac, December typically has an average temperature of 3°C (38°F), with highs reaching up to 16°C (61°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec323944546271737565554638
Data source: Temperature data for Semlac 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 Semlac

In Semlac in December, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

December Precipitation Trends in Semlac

The chart displays monthly precipitation patterns in Semlac, 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 Semlac, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec394950387786574644434864
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Semlac

In Semlac in December humidity is 91%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating layered clothing to stay warm and dry during your travels.

December Average Humidity in Semlac

This chart illustrates the average monthly humidity levels in Semlac, 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 Semlac is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%82%73%74%70%70%59%67%83%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Semlac

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

Maximum UV Index Levels in Semlac for December

The chart shows the monthly maximum UV Index (UVI) for Semlac 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 Semlac typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Semlac 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 Semlac Compares to Other Months

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

This table compares monthly weather conditions in Semlac, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)39 mm (1.5 inches)89%low
February Weather4°C (39°F)49 mm (1.9 inches)86%moderate
March Weather7°C (45°F)50 mm (2.0 inches)82%moderate
April Weather12°C (54°F)37 mm (1.5 inches)73%high
May Weather17°C (63°F)77 mm (3.0 inches)74%very high
June Weather22°C (71°F)86 mm (3.4 inches)70%very high
July Weather23°C (74°F)57 mm (2.2 inches)70%very high
August Weather24°C (75°F)46 mm (1.8 inches)59%very high
September Weather18°C (65°F)44 mm (1.7 inches)67%high
October Weather13°C (56°F)43 mm (1.7 inches)82%moderate
November Weather8°C (47°F)48 mm (1.9 inches)89%moderate
December Weather3°C (38°F)64 mm (2.5 inches)91%low

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