Wellfleet Weather in May

During May, Wellfleet experiences moderate daytime temperatures of 18°C (64°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 90 mm (3.5 in) is typical.

Rainfall in Wellfleet in May

Expect around 12 days of rain based on historical data, with 90 mm (3.5 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Wellfleet in May

In May, Wellfleet gets moderate temperatures, with highs of 18°C (64°F). Nights cool to around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Wellfleet in May

With approximately 261 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Should you favor a climate that's both dry and comfortably warm, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.