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December Weather in Simisna, Romania

Last updated: August 27, 2025

In December, the average temperature in Simisna, Romania hovers around 1°C (35°F). Be prepared for chilly days, as temperatures can dip to a minimum of -14°C (8°F) and rise to a maximum of 14°C (57°F). Expect approximately 75 mm (2.9 in) of precipitation over 14 days, alongside a high average humidity of 92%.

December Temperature in Simisna

In December, in Simisna, the average temperature is 1°C (35°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -14°C (8°F). Travelers should prepare for a wide range of temperatures and ensure they pack accordingly for both chilly and mild conditions.

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

The chart illustrates December temperature patterns in Simisna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simisna, December typically has an average temperature of 1°C (35°F), with highs reaching up to 14°C (57°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec283541515967697161524334
Data source: Temperature data for Simisna 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 Simisna

In Simisna in December, the total precipitation amount is 75 mm (2.9 in) accumulated over a period of 14 days.

December Precipitation Trends in Simisna

The chart displays monthly precipitation patterns in Simisna, 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 Simisna, December typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec44615552109102864358554675
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Simisna

In Simisna in December, humidity is 92%. With an average temperature of 1°C (35°F), this humidity feels like a chilly dampness that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

December Average Humidity in Simisna

This chart illustrates the average monthly humidity levels in Simisna, 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 Simisna is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Simisna

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

Maximum UV Index Levels in Simisna for December

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

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

This table compares monthly weather conditions in Simisna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)44 mm (1.7 inches)93%low
February Weather2°C (35°F)61 mm (2.4 inches)88%moderate
March Weather5°C (41°F)55 mm (2.2 inches)86%moderate
April Weather10°C (51°F)52 mm (2.0 inches)79%high
May Weather15°C (59°F)109 mm (4.3 inches)71%very high
June Weather20°C (68°F)102 mm (4.0 inches)71%very high
July Weather20°C (69°F)86 mm (3.4 inches)64%very high
August Weather22°C (71°F)43 mm (1.7 inches)55%very high
September Weather16°C (62°F)58 mm (2.3 inches)64%high
October Weather11°C (52°F)55 mm (2.2 inches)83%moderate
November Weather6°C (43°F)46 mm (1.8 inches)91%low
December Weather1°C (35°F)75 mm (2.9 inches)92%low

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