Southampton Weather in May

May in Southampton brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 62 mm (2.4 in), so keep a rain jacket handy.

Rainfall in Southampton in May

Typically, about 13 days will experience rainfall, with an average of 62 mm (2.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Southampton in May

In May, Southampton gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 9°C (48°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Southampton in May

The city usually sees around 215 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Average water temperature in May

At 12°C (54°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Southampton.