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December Weather in Atlantic, United States

Last updated: June 24, 2025

In Atlantic, United States, the average temperature in December hovers around 13°C (55°F), with a minimum dipping to 1°C (35°F) and a maximum soaring to 21°C (70°F). Be prepared for 11 days of rain, totaling 154 mm (6.1 in) of precipitation throughout the month. With an average humidity of 84%, it’s a month where you might want to keep that umbrella handy!

December Temperature in Atlantic

In December in Atlantic, the average temperature is 13°C (55°F), with maximums reaching 21°C (70°F) and minimums dropping as low as 1°C (35°F). This mild climate makes Atlantic an ideal destination for travelers seeking a comfortable experience during this time of year.

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

The chart illustrates December temperature patterns in Atlantic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atlantic, December typically has an average temperature of 13°C (55°F), with highs reaching up to 21°C (70°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec505355637177808077716055
Data source: Temperature data for Atlantic 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 Atlantic

In Atlantic in December, the precipitation amount is 154 mm (6.1 in), falling over the course of 11 days.

December Precipitation Trends in Atlantic

The chart displays monthly precipitation patterns in Atlantic, 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 Atlantic, December typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec91148899810614615918816491122154
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Atlantic

In Atlantic in December humidity is 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining for traveling.

December Average Humidity in Atlantic

This chart illustrates the average monthly humidity levels in Atlantic, 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 Atlantic is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Atlantic

In Atlantic 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 Atlantic for better planning.

Maximum UV Index Levels in Atlantic for December

The chart shows the monthly maximum UV Index (UVI) for Atlantic 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 Atlantic typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Atlantic 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 Atlantic Compares to Other Months

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

This table compares monthly weather conditions in Atlantic, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)91 mm (3.6 inches)84%moderate
February Weather12°C (53°F)148 mm (5.8 inches)81%high
March Weather13°C (56°F)89 mm (3.5 inches)80%very high
April Weather17°C (63°F)98 mm (3.9 inches)80%very high
May Weather21°C (71°F)106 mm (4.2 inches)81%extreme
June Weather25°C (77°F)145 mm (5.7 inches)82%extreme
July Weather27°C (81°F)159 mm (6.3 inches)83%extreme
August Weather27°C (80°F)188 mm (7.4 inches)82%very high
September Weather25°C (78°F)164 mm (6.4 inches)80%very high
October Weather22°C (71°F)91 mm (3.6 inches)79%very high
November Weather16°C (61°F)122 mm (4.8 inches)83%moderate
December Weather13°C (55°F)154 mm (6.1 inches)84%moderate

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