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December Weather in Rosalia, United States

Last updated: June 24, 2025

In December, the average temperature in Rosalia, United States hovers around 0°C (33°F), with a minimum dipping to -16°C (3°F) and a maximum reaching 17°C (62°F). Expect 78 mm (3.1 in) of precipitation over 14 days, coupled with a high average humidity of 90%, creating a chilly yet captivating atmosphere.

December Temperature in Rosalia

In December in Rosalia, the average temperature is 0°C (33°F). Maximums can reach 17°C (62°F), while minimums can drop as low as -16°C (3°F). Be prepared for chilly conditions and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Rosalia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosalia, December typically has an average temperature of 0°C (33°F), with highs reaching up to 17°C (62°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec333240475765747362483933
Data source: Temperature data for Rosalia 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 Rosalia

In Rosalia in December, the precipitation amount is 78 mm (3.1 in) over a period of 14 days.

December Precipitation Trends in Rosalia

The chart displays monthly precipitation patterns in Rosalia, 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 Rosalia, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7379635755253928618778
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rosalia

In Rosalia in December humidity is 90%. With average temperature 0°C (33°F) this humidity feels like a damp chill that clings to your skin, making every step outside feel heavier and more exhausting for traveling.

December Average Humidity in Rosalia

This chart illustrates the average monthly humidity levels in Rosalia, 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 Rosalia is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rosalia

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

Maximum UV Index Levels in Rosalia for December

The chart shows the monthly maximum UV Index (UVI) for Rosalia 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 Rosalia typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457891097532
Data source: Rosalia 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 Rosalia Compares to Other Months

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

This table compares monthly weather conditions in Rosalia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)72 mm (2.9 inches)89%low
February Weather0°C (32°F)79 mm (3.1 inches)89%moderate
March Weather5°C (41°F)63 mm (2.5 inches)87%moderate
April Weather9°C (48°F)57 mm (2.2 inches)84%high
May Weather14°C (57°F)55 mm (2.1 inches)77%very high
June Weather18°C (65°F)25 mm (1.0 inches)78%very high
July Weather23°C (74°F)3 mm (0.1 inches)77%very high
August Weather23°C (73°F)9 mm (0.4 inches)64%very high
September Weather17°C (63°F)27 mm (1.1 inches)62%high
October Weather9°C (48°F)61 mm (2.4 inches)79%moderate
November Weather4°C (40°F)87 mm (3.4 inches)87%moderate
December Weather0°C (33°F)78 mm (3.1 inches)90%low

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