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December Weather in Mielnik, Poland

Last updated: August 27, 2025

In December, the average temperature in Mielnik, Poland hovers around 1°C (34°F). Expect chilly days, with a minimum dipping to -13°C (8°F) and a maximum reaching 12°C (54°F). During this month, you can anticipate about 52 mm (2.0 in) of precipitation spread over 12 days, contributing to an average humidity level of 93%. Prepare for a wet and cool experience!

December Temperature in Mielnik

In December in Mielnik, the average temperature is 1°C (34°F), with maximums reaching 12°C (54°F) and minimums dropping as low as -13°C (8°F). Travelers should prepare for chilly weather and dress in layers to stay comfortable while exploring the area.

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

The chart illustrates December temperature patterns in Mielnik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mielnik, December typically has an average temperature of 1°C (34°F), with highs reaching up to 12°C (54°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec293137475667686758494133
Data source: Temperature data for Mielnik 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 Mielnik

In Mielnik in December, the precipitation amount is 52 mm (2.0 in) over a span of 12 days.

December Precipitation Trends in Mielnik

The chart displays monthly precipitation patterns in Mielnik, 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 Mielnik, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec434237447575779568653552
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mielnik

In Mielnik in December humidity is 93%. With an average temperature of 1°C (34°F), this humidity feels like an icy blanket enveloping you, making every step outdoors a challenge as the cold air clings to your skin, intensifying the chill and dampness.

December Average Humidity in Mielnik

This chart illustrates the average monthly humidity levels in Mielnik, 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 Mielnik is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%77%59%59%60%60%72%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mielnik

In Mielnik in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Mielnik.

Maximum UV Index Levels in Mielnik for December

The chart shows the monthly maximum UV Index (UVI) for Mielnik 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 Mielnik typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Mielnik 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 Mielnik Compares to Other Months

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

This table compares monthly weather conditions in Mielnik, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)43 mm (1.7 inches)93%low
February Weather0°C (32°F)42 mm (1.7 inches)90%low
March Weather3°C (38°F)37 mm (1.5 inches)88%moderate
April Weather8°C (47°F)44 mm (1.7 inches)77%moderate
May Weather14°C (57°F)75 mm (2.9 inches)59%high
June Weather20°C (68°F)75 mm (3.0 inches)59%very high
July Weather20°C (68°F)77 mm (3.0 inches)60%very high
August Weather19°C (67°F)95 mm (3.8 inches)60%high
September Weather14°C (58°F)68 mm (2.7 inches)72%moderate
October Weather10°C (50°F)65 mm (2.5 inches)88%moderate
November Weather5°C (41°F)35 mm (1.4 inches)91%low
December Weather1°C (34°F)52 mm (2.0 inches)93%low

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