Merthyr Tydfil Weather in August

August in Merthyr Tydfil sees daytime temperatures around 20°C (68°F) and lows of 12°C (54°F) at night. With around 100 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Merthyr Tydfil in August

Past climate data indicates that roughly 16 days will see rain, totalling around 100 mm (3.9 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 Merthyr Tydfil in August

Daytime highs in Merthyr Tydfil in August reach 20°C (68°F), with nights around 12°C (54°F). During August, the summer season is in full swing. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Merthyr Tydfil in August

The month brings about 184 hours of sunlight, offering a comfortable mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Merthyr Tydfil.