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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Southampton's climate page.
Southampton Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
17°C (63°F)
Water Temperature
12°C (54°F)
Chance of Rain
44%
Precipitation
62 mm (2.4 in)
Rainy days
13 days
Humidity
74%
Sunshine
215 hours
Percentage Sunshine
44%
Best Places in the United Kingdom in May
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in May →
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What to Wear in Southampton in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 12°C (54°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Southampton in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Southampton's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Southampton climate overview or explore weather in the United Kingdom.
