Castle Douglas Weather in May

Castle Douglas in May sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 8°C (46°F). With just 84 mm (3.3 in) of rainfall on average, it's the driest month of the year.

Rainfall in Castle Douglas in May

Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Historically, May sees about 16 days of rain, with a monthly average of 84 mm (3.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Castle Douglas in May

Castle Douglas in May gets highs of 15°C (59°F) during the day and drops to 8°C (46°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Castle Douglas in May

You can expect a moderate amount of sunlight, with approximately 161 hours. This means a pleasant mix of sun and overcast.

If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Castle Douglas.