Porthmadog Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Porthmadog, Gwynedd, United Kingdom. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Porthmadog varies greatly throughout the year. The sunniest month, May, reaches an impressive 169 hours, while December, the darkest month, offers only 26 hours. The total annual amount of sun is 1192 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Porthmadog. While May receives considerable daily sunshine with up to 5.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 0.9 hours of sunlight per day.

Porthmadog vs Major Cities: Sunshine Compared

Porthmadog enjoys an average of 1192 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.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

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

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Related Climate Data for Porthmadog

December, Porthmadog’s wettest month, receives 107 mm (4.2 in) of rainfall and has a maximum daytime temperature of 9°C (48°F). During the driest month May you can expect a temperature of 15°C (59°F).

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