When planning a visit to Isle of Arran in the United Kingdom, it helps to know that temperatures typically range from 8°C (46°F) in February up to 17°C (63°F) during the peak of August. Our detailed climate overview is based on data from Lamlash, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Isle of Arran changes throughout the year, with no distinct months of consistently pleasant temperatures.
The cooler season is during the months of January, February, March and December.
Precipitation in Isle of Arran varies considerably throughout the year. The wettest conditions occur in December with 189 mm (7.4 in) of rain, while May stays relatively dry with 81 mm (3.2 in).
May is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
