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December Weather in Nassau Bay, United States

Last updated: June 24, 2025

In December, the average temperature in Nassau Bay, United States is a pleasant 15°C (59°F). However, temperatures can swing from a chilly -1°C (31°F) to a warm 27°C (81°F). The region experiences an average precipitation of 104 mm (4.1 in) over 9 days, resulting in a high average humidity of 84%. Make sure to pack accordingly!

December Temperature in Nassau Bay

In December in Nassau Bay, the average temperature is 15°C (59°F). Maximum temperatures can reach up to 27°C (81°F), while minimums can drop as low as -1°C (31°F). This makes Nassau Bay a great destination for travelers seeking mild weather with the possibility of varied experiences in climate.

December Weather in Nassau Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nassau Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nassau Bay, December typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec555866707782838380736359
Data source: Temperature data for Nassau Bay 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 Nassau Bay

In Nassau Bay in December, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

December Precipitation Trends in Nassau Bay

The chart displays monthly precipitation patterns in Nassau Bay, 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 Nassau Bay, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7886689816816615020821612178104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nassau Bay

In Nassau Bay in December, humidity is 84%. With an average temperature of 15°C (59°F), this humidity feels like an oppressive blanket wrapping around you, making it challenging to enjoy outdoor activities and travel comfortably.

December Average Humidity in Nassau Bay

This chart illustrates the average monthly humidity levels in Nassau Bay, 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 Nassau Bay is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%76%79%79%74%72%68%73%75%78%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nassau Bay

In Nassau Bay 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 Nassau Bay.

Maximum UV Index Levels in Nassau Bay for December

The chart shows the monthly maximum UV Index (UVI) for Nassau Bay 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 Nassau Bay typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110975
Data source: Nassau Bay 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 Nassau Bay Compares to Other Months

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

This table compares monthly weather conditions in Nassau Bay, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)78 mm (3.1 inches)78%moderate
February Weather15°C (59°F)86 mm (3.4 inches)81%very high
March Weather19°C (66°F)68 mm (2.7 inches)76%very high
April Weather21°C (70°F)98 mm (3.9 inches)79%extreme
May Weather25°C (77°F)168 mm (6.6 inches)79%extreme
June Weather28°C (82°F)166 mm (6.5 inches)74%extreme
July Weather28°C (83°F)150 mm (5.9 inches)71%extreme
August Weather29°C (84°F)208 mm (8.2 inches)68%extreme
September Weather27°C (81°F)216 mm (8.5 inches)73%very high
October Weather23°C (73°F)121 mm (4.7 inches)75%very high
November Weather17°C (63°F)78 mm (3.1 inches)78%high
December Weather15°C (59°F)104 mm (4.1 inches)84%moderate

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