Average Monthly Sunshine in Castries

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

Monthly hours of sunshine

Year-round, Castries offers consistent sunshine. The difference between the sunniest month, May, with 249 hours, and October, the least sunny month, with 214, is minimal. The total annual sunshine amounts to 2890 hours.

Daily hours of sunshine

The sunniest days in Castries occur in May, with around 8.3 hours of daily sunshine. Even in October, the least sunny month, Castries doesn't shy away from the sun, still enjoying a comfortable 7.1 hours of daily sunlight.

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

Castries enjoys an average of 2890 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.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

October, Castries’s wettest month, receives 122 mm of rainfall and has a maximum daytime temperature of 31°C. During the driest month February you can expect a temperature of 29°C.

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