Penarth Weather in August

August in Penarth brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 91 mm (3.6 in), so pack an umbrella.

Rainfall in Penarth in August

Typically around 15 days of rainfall are expected, averaging 91 mm (3.6 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 Penarth in August

If you're visiting Penarth in August, expect excellent temperatures with highs of 21°C (70°F) and overnight lows of 14°C (57°F). The summer season is characteristic of August. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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.

Sunshine in Penarth in August

The month experiences a moderate amount of sunlight, with 184 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Penarth in August

August sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in August

The water temperature is 16°C (61°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. July and August typically offer the best weather for Penarth.