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December Weather in Saint Stephen, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Saint Stephen, United Kingdom hovers around 9°C (48°F). Expect a chill in the air, with lows reaching 0°C (33°F) and highs climbing to 14°C (58°F). Prepare for a bit of wet weather, as 102 mm (4.0 in) of precipitation is anticipated over 17 days, with an average humidity level of 80%. Stay cozy and bring your umbrella!

December Temperature in Saint Stephen

In December in Saint Stephen, the average temperature is 9°C (48°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as 0°C (33°F). Travelers should pack layers to stay comfortable during the varying temperatures.

December Weather in Saint Stephen: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint Stephen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Stephen, December typically has an average temperature of 9°C (48°F), with highs reaching up to 14°C (58°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec454647505460636259545048
Data source: Temperature data for Saint Stephen 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 Saint Stephen

In Saint Stephen in December, the precipitation amount is 102 mm (4.0 in) spread over 17 days.

December Precipitation Trends in Saint Stephen

The chart displays monthly precipitation patterns in Saint Stephen, 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 Saint Stephen, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec59767949678368596010283102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint Stephen

In Saint Stephen in December humidity is 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.

December Average Humidity in Saint Stephen

This chart illustrates the average monthly humidity levels in Saint Stephen, 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 Saint Stephen is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%83%84%85%86%87%86%85%85%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint Stephen

In Saint Stephen in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Saint Stephen.

Maximum UV Index Levels in Saint Stephen for December

The chart shows the monthly maximum UV Index (UVI) for Saint Stephen 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 Saint Stephen typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Saint Stephen 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 Saint Stephen Compares to Other Months

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

This table compares monthly weather conditions in Saint Stephen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)59 mm (2.3 inches)81%low
February Weather8°C (46°F)75 mm (3.0 inches)84%low
March Weather8°C (47°F)79 mm (3.1 inches)83%moderate
April Weather10°C (50°F)49 mm (1.9 inches)84%high
May Weather12°C (55°F)67 mm (2.6 inches)85%high
June Weather15°C (60°F)83 mm (3.3 inches)86%very high
July Weather17°C (63°F)68 mm (2.7 inches)87%very high
August Weather17°C (62°F)59 mm (2.3 inches)86%high
September Weather15°C (59°F)60 mm (2.3 inches)85%high
October Weather12°C (55°F)102 mm (4.0 inches)85%moderate
November Weather10°C (50°F)83 mm (3.3 inches)82%low
December Weather9°C (48°F)102 mm (4.0 inches)80%low

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