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December Weather in Annan, United Kingdom

Last updated: August 27, 2025

In Annan, United Kingdom, the average temperature in December hovers around 5°C (42°F). Expect chilly conditions, with a minimum dip to -6°C (21°F) and a maximum rise to 13°C (55°F). This month also brings 101 mm (4.0 in) of precipitation spread over 16 days, contributing to an average humidity level of 89%. Be prepared for a damp and cool atmosphere!

December Temperature in Annan

In December in Annan, the average temperature is 5°C (42°F). The maximum can reach 13°C (55°F), while the minimum can be as low as -6°C (21°F). Be prepared for cool weather and pack accordingly if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Annan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Annan, December typically has an average temperature of 5°C (42°F), with highs reaching up to 13°C (55°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143475258616055504541
Data source: Temperature data for Annan 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 Annan

In Annan in December, the total precipitation amount is 101 mm (4.0 in) spread over 16 days.

December Precipitation Trends in Annan

The chart displays monthly precipitation patterns in Annan, 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 Annan, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7412196416194871178713194101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Annan

In Annan in December humidity is 89%. With an average temperature of 5°C (42°F), this humidity feels like a chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while exploring.

December Average Humidity in Annan

This chart illustrates the average monthly humidity levels in Annan, 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 Annan is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Annan

In Annan 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 Annan.

Maximum UV Index Levels in Annan for December

The chart shows the monthly maximum UV Index (UVI) for Annan 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 Annan typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Annan 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 Annan Compares to Other Months

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

This table compares monthly weather conditions in Annan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)74 mm (2.9 inches)90%low
February Weather5°C (42°F)121 mm (4.8 inches)88%low
March Weather6°C (44°F)96 mm (3.8 inches)86%moderate
April Weather8°C (47°F)41 mm (1.6 inches)85%moderate
May Weather11°C (53°F)61 mm (2.4 inches)80%high
June Weather14°C (58°F)94 mm (3.7 inches)83%very high
July Weather16°C (61°F)87 mm (3.4 inches)82%very high
August Weather15°C (60°F)117 mm (4.6 inches)82%high
September Weather13°C (56°F)87 mm (3.4 inches)88%moderate
October Weather10°C (51°F)131 mm (5.2 inches)90%moderate
November Weather7°C (45°F)94 mm (3.7 inches)92%low
December Weather5°C (42°F)101 mm (4.0 inches)89%low

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