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April Weather in Castle Douglas, United Kingdom

Last updated: August 27, 2025

In Castle Douglas, United Kingdom, the average temperature in April hovers around 8°C (46°F). Expect lows of -4°C (26°F) and highs reaching up to 20°C (69°F). During this month, precipitation averages at 50 mm (1.9 in) over approximately 10 days, with humidity levels around 85%. Prepare for a mix of cool weather and occasional rain!

April Temperature in Castle Douglas

In April in Castle Douglas, the average temperature is 8°C (46°F), with maximums reaching 20°C (69°F) and minimums dropping to as low as -4°C (26°F). It's advisable to pack layers to comfortably enjoy your visit to Castle Douglas during this time.

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

The chart illustrates April 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, April typically has an average temperature of 8°C (46°F), with highs reaching up to 20°C (69°F) and lows dropping to around -4°C (26°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.

April Precipitation in Castle Douglas

In Castle Douglas in April, the total precipitation amount is 50 mm (1.9 in) spread over a period of 10 days.

April Precipitation Trends in Castle Douglas

The chart displays monthly precipitation patterns in Castle Douglas, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Castle Douglas, April typically receives around 50 mm (1.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec841551075070104102137101149130126
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castle Douglas

In Castle Douglas in April humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

April Average Humidity in Castle Douglas

This chart illustrates the average monthly humidity levels in Castle Douglas, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Castle Douglas is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Castle Douglas

In Castle Douglas in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Castle Douglas.

Maximum UV Index Levels in Castle Douglas for April

The chart shows the monthly maximum UV Index (UVI) for Castle Douglas in April, 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 April, the maximum UV index in Castle Douglas typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Castle Douglas April 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 April 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 April’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 April’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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