Southampton Weather in December

December in Southampton brings low temperatures, with highs of 10°C (50°F) and nights dropping to 4°C (39°F). Rainfall is on the higher side this month, averaging around 82 mm (3.2 in), so keep a rain jacket handy.

Rainfall in Southampton in December

Typically around 16 days of rainfall are expected, averaging 82 mm (3.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Southampton in December

In December, Southampton gets low temperatures, with highs of 10°C (50°F). Nights cool to around 4°C (39°F). December is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Southampton in December

The month has fewer sunny days, with around 54 hours of sunshine.

Average water temperature in December

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.

December in Southampton has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.