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December Weather in Roseland, United States

Last updated: June 24, 2025

In December, the average temperature in Roseland, United States hovers around 13°C (55°F), with a notable range spanning from a chilly -4°C (25°F) to a warm 28°C (82°F). Expect a fair amount of rain, with total precipitation reaching 135 mm (5.3 in) over 12 days. The weather is typically characterized by high humidity, averaging at a damp 88%.

December Temperature in Roseland

In December in Roseland, the average temperature is 13°C (55°F). Maximums can reach 28°C (82°F), while minimums can dip as low as -4°C (25°F). Be prepared for a wide range of temperatures when planning your travel to Roseland during this month.

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

The chart illustrates December temperature patterns in Roseland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roseland, December typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec525763677579818178715855
Data source: Temperature data for Roseland 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 Roseland

In Roseland in December, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.

December Precipitation Trends in Roseland

The chart displays monthly precipitation patterns in Roseland, 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 Roseland, December typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231269615217017618121813611885135
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Roseland

In Roseland in December humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.

December Average Humidity in Roseland

This chart illustrates the average monthly humidity levels in Roseland, 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 Roseland is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Roseland

In Roseland in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Roseland for better planning.

Maximum UV Index Levels in Roseland for December

The chart shows the monthly maximum UV Index (UVI) for Roseland 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 Roseland typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110864
Data source: Roseland 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 Roseland Compares to Other Months

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

This table compares monthly weather conditions in Roseland, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)123 mm (4.9 inches)83%moderate
February Weather14°C (58°F)126 mm (5.0 inches)83%very high
March Weather17°C (64°F)96 mm (3.8 inches)80%very high
April Weather19°C (67°F)152 mm (6.0 inches)81%extreme
May Weather24°C (75°F)170 mm (6.7 inches)81%extreme
June Weather26°C (80°F)176 mm (6.9 inches)78%extreme
July Weather27°C (81°F)181 mm (7.1 inches)79%extreme
August Weather27°C (81°F)218 mm (8.6 inches)79%extreme
September Weather26°C (79°F)136 mm (5.4 inches)79%very high
October Weather22°C (71°F)118 mm (4.7 inches)77%very high
November Weather15°C (59°F)85 mm (3.3 inches)85%high
December Weather13°C (55°F)135 mm (5.3 inches)88%moderate

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