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December Weather in St Anne, Guernsey

Last updated: August 23, 2025

In St Anne, Guernsey, the average temperature in December hovers around 10°C (51°F), with a minimum of 5°C (41°F) and a maximum of 14°C (58°F). This month brings approximately 170 mm (6.7 in) of precipitation spread over 21 days, contributing to an average humidity of 92%. Be prepared for a season of cool, wet weather!

December Temperature in St Anne

In December in St Anne, the average temperature is 10°C (51°F), with maximums reaching 14°C (58°F) and minimums dipping as low as 5°C (41°F). It's a pleasant time for travelers who enjoy mild weather and the chance to explore the local attractions comfortably.

December Weather in St Anne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in St Anne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Anne, December typically has an average temperature of 10°C (51°F), with highs reaching up to 14°C (58°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848505357616262595451
Data source: Temperature data for St Anne 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 St Anne

In St Anne in December, the precipitation amount is 170 mm (6.7 in) over the course of 21 days.

December Precipitation Trends in St Anne

The chart displays monthly precipitation patterns in St Anne, 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 St Anne, December typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec998678335458385459144131170
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in St Anne

In St Anne in December humidity is 92%. With average temperature 10°C (51°F), this humidity feels like walking through a thick blanket of moisture, making travel uncomfortable and sticky, as each step is met with an oppressive dampness that clings to your skin and leaves you yearning for a cool breeze.

December Average Humidity in St Anne

This chart illustrates the average monthly humidity levels in St Anne, 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 St Anne is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in St Anne

In St Anne 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 St Anne.

Maximum UV Index Levels in St Anne for December

The chart shows the monthly maximum UV Index (UVI) for St Anne 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 St Anne typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679876421
Data source: St Anne 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 St Anne Compares to Other Months

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

This table compares monthly weather conditions in St Anne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)99 mm (3.9 inches)90%low
February Weather9°C (48°F)86 mm (3.4 inches)89%moderate
March Weather9°C (49°F)78 mm (3.1 inches)86%moderate
April Weather10°C (50°F)33 mm (1.3 inches)84%high
May Weather12°C (53°F)54 mm (2.1 inches)80%high
June Weather14°C (58°F)58 mm (2.3 inches)80%very high
July Weather16°C (61°F)38 mm (1.5 inches)69%very high
August Weather17°C (63°F)54 mm (2.1 inches)73%high
September Weather16°C (62°F)59 mm (2.3 inches)79%high
October Weather15°C (59°F)144 mm (5.7 inches)89%moderate
November Weather12°C (54°F)131 mm (5.2 inches)92%low
December Weather10°C (51°F)170 mm (6.7 inches)92%low

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