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January Weather in Castle Douglas, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Castle Douglas, United Kingdom hovers around 5°C (41°F). During this month, temperatures can range from a chilly -11°C (12°F) to a mild 13°C (55°F). Visitors should prepare for frequent showers, with an average precipitation of 84 mm (3.3 in) spread across 11 days. Don't forget to bundle up, as humidity levels can be quite high at 90%!

January Temperature in Castle Douglas

In January in Castle Douglas, the average temperature is 5°C (41°F), with maximums reaching 13°C (55°F) and minimums dipping as low as -11°C (12°F). Travelers should be prepared for chilly weather and pack accordingly to stay comfortable during their visit.

January Weather in Castle Douglas: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Castle Douglas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castle Douglas, January typically has an average temperature of 5°C (41°F), with highs reaching up to 13°C (55°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143465157605955504541
Data source: Temperature data for Castle Douglas 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.

January Precipitation in Castle Douglas

In Castle Douglas, in January, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

January Precipitation Trends in Castle Douglas

The chart displays monthly precipitation patterns in Castle Douglas, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Castle Douglas, January typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec841551075070104102137101149130126
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Castle Douglas

In Castle Douglas in January, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.

January Average Humidity in Castle Douglas

This chart illustrates the average monthly humidity levels in Castle Douglas, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Castle Douglas is approximately 90%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Castle Douglas

In Castle Douglas in January, 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 Castle Douglas.

Maximum UV Index Levels in Castle Douglas for January

The chart shows the monthly maximum UV Index (UVI) for Castle Douglas in January, 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 January, the maximum UV index in Castle Douglas typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Castle Douglas January 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 January Weather in Castle Douglas Compares to Other Months

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

This table compares monthly weather conditions in Castle Douglas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)84 mm (3.3 inches)90%low
February Weather5°C (41°F)155 mm (6.1 inches)88%low
March Weather6°C (43°F)107 mm (4.2 inches)86%moderate
April Weather8°C (46°F)50 mm (1.9 inches)85%moderate
May Weather11°C (52°F)70 mm (2.8 inches)80%high
June Weather14°C (57°F)104 mm (4.1 inches)83%very high
July Weather15°C (60°F)102 mm (4.0 inches)82%very high
August Weather15°C (59°F)137 mm (5.4 inches)82%high
September Weather13°C (55°F)101 mm (4.0 inches)88%moderate
October Weather10°C (50°F)148 mm (5.8 inches)90%moderate
November Weather7°C (45°F)130 mm (5.1 inches)92%low
December Weather5°C (42°F)126 mm (5.0 inches)89%low

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