Average Monthly Sunshine in Randalstown

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

Monthly hours of sunshine

Seasonal sunshine in Randalstown varies. It peaks at 184 hours in May and drops to 39 hours in December. The total annual amount of sun is 1297 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Randalstown. While May receives considerable daily sunshine with up to 6.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.

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

Randalstown enjoys an average of 1297 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, Brussels, Belgium, receives only about 1590 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

August, Randalstown’s wettest month, receives 92 mm of rainfall and has a maximum daytime temperature of 19°C. During the driest month March you can expect a temperature of 11°C.

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