Last updated: August 27, 2025
In August, the average temperature in Castle Douglas, United Kingdom is a comfortable 15°C (59°F), with a minimum of 6°C (43°F) and a maximum of 26°C (78°F). Expect 137 mm (5.4 in) of precipitation spread over 19 days, contributing to an average humidity of 82%. Prepare for a month that balances warmth with the refreshing embrace of occasional rain!
In August in Castle Douglas, the average temperature is 15°C (59°F). The maximum can reach 26°C (78°F), while the minimum can drop as low as 6°C (43°F). This mild climate makes Castle Douglas an excellent destination for outdoor activities and sightseeing during this time.
In Castle Douglas in August, the total precipitation amount is 137 mm (5.4 in), distributed over 19 days.
In Castle Douglas in August, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.
In Castle Douglas in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Castle Douglas, you can refer to this Hourly UV Index in Castle Douglas.
UV Risk Categories
Weather in Castle Douglas varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Castle Douglas, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 84 mm (3.3 inches) | 90% | low |
February Weather | 5°C (41°F) | 155 mm (6.1 inches) | 88% | low |
March Weather | 6°C (43°F) | 107 mm (4.2 inches) | 86% | moderate |
April Weather | 8°C (46°F) | 50 mm (1.9 inches) | 85% | moderate |
May Weather | 11°C (52°F) | 70 mm (2.8 inches) | 80% | high |
June Weather | 14°C (57°F) | 104 mm (4.1 inches) | 83% | very high |
July Weather | 15°C (60°F) | 102 mm (4.0 inches) | 82% | very high |
August Weather | 15°C (59°F) | 137 mm (5.4 inches) | 82% | high |
September Weather | 13°C (55°F) | 101 mm (4.0 inches) | 88% | moderate |
October Weather | 10°C (50°F) | 148 mm (5.8 inches) | 90% | moderate |
November Weather | 7°C (45°F) | 130 mm (5.1 inches) | 92% | low |
December Weather | 5°C (42°F) | 126 mm (5.0 inches) | 89% | low |