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December Weather in Waterford, United States

Last updated: June 24, 2025

In December, the average temperature in Waterford, United States hovers around 9°C (49°F). Expect a minimum drop to -1°C (30°F) and a pleasant maximum of 22°C (73°F). During this time, precipitation amounts reach 106 mm (4.2 in) over 8 days, with an average humidity of 80%—perfect for embracing the season's charm!

December Temperature in Waterford

In December in Waterford, the average temperature is 9°C (49°F). Maximum temperatures can reach 22°C (73°F), while minimums can drop as low as -1°C (30°F). Travelers should be prepared for a range of weather conditions during this time.

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

The chart illustrates December temperature patterns in Waterford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterford, December typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (73°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec505155626877818074655549
Data source: Temperature data for Waterford 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 Waterford

In Waterford in December, the precipitation amount is 106 mm (4.2 in) over a span of 8 days.

December Precipitation Trends in Waterford

The chart displays monthly precipitation patterns in Waterford, 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 Waterford, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec118107114503020022653106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Waterford

In Waterford in December, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

December Average Humidity in Waterford

This chart illustrates the average monthly humidity levels in Waterford, 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 Waterford is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Waterford

In Waterford in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Waterford, you can check the information here.

Maximum UV Index Levels in Waterford for December

The chart shows the monthly maximum UV Index (UVI) for Waterford 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 Waterford typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3588101111109643
Data source: Waterford 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 Waterford Compares to Other Months

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

This table compares monthly weather conditions in Waterford, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)118 mm (4.6 inches)82%moderate
February Weather11°C (51°F)107 mm (4.2 inches)84%moderate
March Weather13°C (55°F)114 mm (4.5 inches)82%very high
April Weather16°C (62°F)50 mm (2.0 inches)78%very high
May Weather20°C (69°F)30 mm (1.2 inches)71%very high
June Weather25°C (77°F)2 mm (0.1 inches)64%extreme
July Weather27°C (81°F)0 mm (0.0 inches)58%extreme
August Weather26°C (80°F)0 mm (0.0 inches)54%very high
September Weather24°C (75°F)2 mm (0.1 inches)55%very high
October Weather18°C (65°F)26 mm (1.0 inches)62%high
November Weather13°C (55°F)53 mm (2.1 inches)78%moderate
December Weather9°C (49°F)106 mm (4.2 inches)80%moderate

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