Penarth Weather in December

December in Penarth brings low temperatures, with daytime highs of 10°C (50°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 107 mm (4.2 in), so pack an umbrella.

Rainfall in Penarth in December

On average, there are about 19 days with rain during this month, averaging 107 mm (4.2 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Penarth in December

If you're visiting Penarth in December, expect highs of 10°C (50°F) and overnight lows around 4°C (39°F). December marks the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Penarth in December

This month is characterized by fewer sunny days, with about 49 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Penarth in December

Wind speeds average 5 m/s (10 knots) during December. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in December

At 10°C (50°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. July and August typically offer the best weather for Penarth.