The weather on Lewis and Harris is mild, damp and changeable rather than cold. The Gulf Stream keeps winter temperatures well above what the latitude would suggest, but the islands are exposed on every side and the wind is the single biggest factor in how a day feels. Expect four seasons in an afternoon and plan around it rather than against it.
The Weather on the Western Isles
The weather on the Western Isles can be quite variable throughout the year, with influences from the North Atlantic and the Gulf Stream.
In general, the weather in the Outer Hebrides is mild and damp, with temperatures typically ranging from 5-15°C (41-59°F) in the winter months (December-February) and 10-20°C (50-68°F) in the summer months (June-August). However, it is worth noting that temperatures can occasionally drop below freezing in the winter, and warm spells in the summer can sometimes push temperatures towards the mid-20s°C (mid-70s°F).
Rainfall is common throughout the year on the Isles of Lewis and Harris, with the wettest months being October to January. However, the islands also experience plenty of sunny days throughout the year.
Winds can also be a significant factor in the weather on the Western Isles, with strong gusts being quite common, particularly during the winter months.
Overall, the weather on Lewis and Harris can be somewhat unpredictable, so it’s always a good idea to check the latest forecast before planning a day out.
For real time weather visit: http://hebweather.net.
In short
Weather on the Isles of Lewis and Harris is mild, damp and highly changeable, with winter usually between 5 and 15C and summer between 10 and 20C. Wind is the dominant factor rather than temperature. October to January are wettest; May and June are often the brightest. Waterproofs, windproofs, layers and midge repellent in summer are the essentials.
Frequently asked questions
What is the weather like in the Outer Hebrides?
Mild, damp and very changeable. Winter temperatures usually sit between 5 and 15C and summer between 10 and 20C, so it is rarely extreme in either direction. Wind matters more than temperature: it is exposed coastline and gusts are common, particularly from October to March.
When is the best time to visit Lewis and Harris?
May and June are often the driest and brightest months, with long daylight and the machair coming into flower. July and August are warmest but busiest. September can be beautiful. October to January is the wettest stretch.
Does it rain all the time in the Outer Hebrides?
No. Rain falls throughout the year, with October to January the wettest months, but the islands also get a great many bright days, and showers usually pass quickly because the wind moves weather through fast.
What should I pack for the Western Isles?
Waterproofs and windproofs in every month, layers rather than one heavy coat, proper footwear, and midge repellent between June and August. Sunglasses and sun cream are worth having too: the light off white sand is strong even when it is cool.
Does it snow on Lewis and Harris?
Rarely at sea level, and it does not usually lie long, because the Gulf Stream keeps the coast mild. The hills of North Harris hold snow considerably longer than the coast does.