South Wellfleet Weather in May

During May, South 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 South Wellfleet in May

The climate data from previous years indicates about 12 days of rain, averaging 90 mm (3.5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in South Wellfleet in May

In May, expect moderate temperatures in South Wellfleet, with highs of 18°C (64°F) and lows of 10°C (50°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 South Wellfleet in May

Expect a lot of sunshine this month, with about 261 hours of sun. These sunny conditions add to the overall experience.

For South Wellfleet itself, June, July, August and September generally stand out with 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.