South Yarmouth Weather in May

South Yarmouth in May sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 94 mm (3.7 in) on average, so pack waterproofs just in case.

Rainfall in South Yarmouth in May

The climate data from previous years indicates about 12 days of rain, averaging 94 mm (3.7 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in South Yarmouth in May

Expect highs of 18°C (64°F) in South Yarmouth in May, with nights dropping to around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in South Yarmouth in May

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

For South Yarmouth 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.