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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 20°C (68°F), making it a delightful time to explore. Expect a range from a cool 5°C (41°F) to a warm 32°C (89°F), so come prepared for varying conditions. With an average precipitation of 48 mm (1.9 in) over 7 days, and humidity levels at a notable 84%, it's a great idea to bring an umbrella and stay hydrated while enjoying this vibrant destination!

December Temperature in Roseland

In December in Roseland, the average temperature is 20°C (68°F). Maximums can reach 32°C (89°F) and minimums can be as low as 5°C (41°F). This range makes Roseland a comfortable destination for travelers seeking both warm days and cooler evenings.

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 20°C (68°F), with highs reaching up to 32°C (89°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec657071757981838382807268
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 total precipitation amount is 48 mm (1.9 in) over a span of 7 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 48 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec334923691232152462501811105648
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 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
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 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Roseland.

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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121211975
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 Weather19°C (66°F)33 mm (1.3 inches)83%high
February Weather21°C (70°F)49 mm (1.9 inches)80%very high
March Weather22°C (71°F)23 mm (0.9 inches)75%very high
April Weather24°C (75°F)69 mm (2.7 inches)68%extreme
May Weather26°C (79°F)123 mm (4.9 inches)65%extreme
June Weather27°C (82°F)215 mm (8.4 inches)73%extreme
July Weather28°C (83°F)246 mm (9.7 inches)77%extreme
August Weather28°C (83°F)250 mm (9.8 inches)80%extreme
September Weather28°C (82°F)181 mm (7.1 inches)83%extreme
October Weather26°C (80°F)110 mm (4.3 inches)83%very high
November Weather22°C (73°F)56 mm (2.2 inches)83%high
December Weather20°C (68°F)48 mm (1.9 inches)84%moderate

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