Southampton Weather in August

August in Southampton brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 72 mm (2.8 in), so pack an umbrella.

Rainfall in Southampton in August

On average, there are about 12 days with rain during this month, averaging 72 mm (2.8 in). 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 August

August is one of the better months to visit Southampton. Expect 22°C (72°F) during the day and 14°C (57°F) at night. The summer season takes place during August. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Southampton in August

The days are predominantly sunny, with an estimated total of around 208 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Average water temperature in August

The water temperature is 17°C (63°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

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.

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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 August

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Water Temperature 17°C (63°F)  

Chance of Rain 38%  

Precipitation 72 mm (2.8 in)  

Rainy days 12 days  

Humidity 76%  

Sunshine 208 hours  

Percentage Sunshine 46%  

What to Wear in Southampton in August

Pleasant temperatures in August 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 17°C (63°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 August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Southampton's climate page.

More climate data for Southampton

Temperature Rainfall Sunshine Humidity Water Temp

See the full Southampton climate overview or explore weather in the United Kingdom.