Merthyr Tydfil Weather in August

What's the weather like in Merthyr Tydfil (Wales) in August 2024?

The climate in Merthyr Tydfil during August can be summarized as mild and wet.

August is in the summer in Merthyr Tydfil and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (51°F) is normal.

Merthyr Tydfil weather averages (imperial / metric)
Daytime temperature 18.2°C 64.8°F
Nightly temperature 10.6°C 51.1°F
Average temperature 14.4°C 57.9°F
Daily sunshine 5.8 hrs
Avg rainfall 123 mm 4.9 ins
Rainy days 16 days
Sea temperature 16.2°C 61.2°F
Humidity 86%
Windspeed 15.8kph 10 mph

On average August is the 5th driest month of the year in Merthyr Tydfil with around 123mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.8 hours of sunshine per day.

August temperatures in Merthyr Tydfil

Merthyr Tydfil average temperature in August

August rainfall

Merthyr Tydfil average rain in August

August hourly sunshine

Merthyr Tydfil average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Merthyr Tydfil in August 2024.

Other monthly averages

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Merthyr Tydfil weather stats

Merthyr Tydfil weather statistics
Hottest month: July 18.3°C 64.9°F
Driest month: July 93mm 3.7ins
Sunniest month: June 6.6hrs
Coldest month: February 5.2°C 41.4°F
Wettest month: December 212mm 8.3ins
Map showing location of Merthyr Tydfil (51.74794, -3.37779) Merthyr Tydfil map pin © Google

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