Southampton Weather in July

July in Southampton averages 22°C (72°F) during the day and 14°C (57°F) at night. The excellent conditions and moderate rainfall make it a solid month to visit.

Rainfall in Southampton in July

Past climate data indicates that roughly 9 days will see rain, totalling around 60 mm (2.4 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Southampton in July

If you're visiting Southampton in July, expect excellent temperatures with highs of 22°C (72°F) and overnight lows of 14°C (57°F). The month of July belongs to the summer season. This kind of day-to-night contrast is typical for this time of year. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, it sees the highest temps of the year.

Sunshine in Southampton in July

The month enjoys around 222 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in July

At 15°C (59°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

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.