Average Monthly Sunshine in Stornoway

The graphs on this page shows the average number of hours per month and per day that Stornoway receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

If you're visiting Stornoway, timing is key. In May, you can enjoy up to 205 hours of sunshine, while the shorter days of December provide just 30 hours. The total annual amount of sun is 1238 hours.

Daily hours of sunshine

For those who appreciate different seasons, Stornoway serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.8 hours of sunshine daily, and embrace the darker days in December, offering only 1 hour of daily sunlight.

Stornoway’s total hours of sunshine compared to other major cities

Stornoway enjoys an average of 1238 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

October, Stornoway’s wettest month, receives 105 mm of rainfall and has a maximum daytime temperature of 13°C. During the driest month May you can expect a temperature of 14°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Stornoway Precipitation page.