Dunoon Weather & Climate: Best Time to Visit

In Dunoon, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 18°C (64°F) in July to a chilly 8°C (46°F) in the coolest month, February.

Nights vary from 12°C (54°F) in July to around 3°C (37°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Dunoon has a relatively rain/snowy climate with high precipitation levels, averaging 1720 mm (68 in) of rain/snowfall annually. Dunoon offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month January (179 mm (7 in)) and the driest month May (105 mm (4.1 in)) is not too significant. For more details, please visit our Dunoon Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Dunoon serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.3 hours of sunshine daily, and embrace the darker days in January, offering only 1.2 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Dunoon.

The city experiences its highest humidity in January, reaching 87%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year