Altarnun Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Altarnun, Cornwall, United Kingdom. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Altarnun. Expect long, bright days with 222 hours in May and darker periods with just 55 hours in December. The total annual amount of sun is 1729 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Altarnun. While May receives considerable daily sunshine with up to 7.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.

Altarnun vs Major Cities: Sunshine Compared

Altarnun enjoys an average of 1729 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.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Related Climate Data for Altarnun

December, Altarnun’s wettest month, receives 84 mm (3.3 in) of rainfall and has a maximum daytime temperature of 10°C (50°F). During the driest month September you can expect a temperature of 19°C (66°F).

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