St James Weather in May

May in St James brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 72 mm (2.8 in), so pack an umbrella.

Rainfall in St James in May

Historically, the month has about 12 days of rain, averaging 72 mm (2.8 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in St James in May

In May, expect pleasant temperatures in St James, with highs of 19°C (66°F) and lows of 14°C (57°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in St James in May

There are approximately 205 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in St James in May

Wind speeds average 3 m/s (6 knots) during May. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in May

The water temperature is 16°C (61°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for St James.