Charlestown Weather in May

During May, Charlestown experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 9°C (48°F). Expect quite a bit of rainfall. Around 72 mm (2.8 in) is typical.

Rainfall in Charlestown in May

Past climate data indicates that roughly 14 days will see rain, totalling around 72 mm (2.8 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Charlestown in May

Charlestown in May gets highs of 16°C (61°F) during the day and drops to 9°C (48°F) at night. Conditions are often most pleasant around the middle of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Charlestown in May

The month enjoys around 222 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.