Merthyr Vale weather

The Merthyr Vale weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Merthyr Vale, Merthyr Tydfil Area, Wales.

Merthyr Vale weather averages

Check the Merthyr Vale weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Merthyr Vale, Merthyr Tydfil Area, Wales.

Max Day Temperature (°C)

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Days with some Rainfall

Min Night Temperature (°C)

Monthly Rainfall (mm)

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Merthyr Vale weather by month

Check the weather for Merthyr Vale, Merthyr Tydfil Area, Wales for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.

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Merthyr Vale weather in January

The average maximum daytime temperature in Merthyr Vale in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 1 hours of sunshine a day in Merthyr Vale during January.

  • 6°C maximum daytime temperature in January in Merthyr Vale6
    6°C max day temperature
  • 1 hours of sunshine per day in January in Merthyr Vale1
    1 hour of sunshine per day
  • 20 days with some rainfall in January in Merthyr Vale20
    20 days with some rainfall
  • 1°C minimum night-time temperature in January in Merthyr Vale1
    1°C min night temperature
  • 165 mm monthly rainfall in January in Merthyr Vale165
    165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Merthyr Vale during January with rain falling on 20 days of the month.

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Merthyr Vale weather in February

The average maximum daytime temperature in Merthyr Vale in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Merthyr Vale during February.

  • 7°C maximum daytime temperature in February in Merthyr Vale7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Merthyr Vale2
    2 hours of sunshine per day
  • 16 days with some rainfall in February in Merthyr Vale16
    16 days with some rainfall
  • 1°C minimum night-time temperature in February in Merthyr Vale1
    1°C min night temperature
  • 120 mm monthly rainfall in February in Merthyr Vale120
    120 mm of monthly rainfall

On average 120 mm (4.7 inches) of rain normally falls in Merthyr Vale during February with rain falling on 16 days of the month.

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Merthyr Vale weather in March

The average maximum daytime temperature in Merthyr Vale in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Merthyr Vale during March.

  • 9°C maximum daytime temperature in March in Merthyr Vale9
    9°C max day temperature
  • 3 hours of sunshine per day in March in Merthyr Vale3
    3 hours of sunshine per day
  • 18 days with some rainfall in March in Merthyr Vale18
    18 days with some rainfall
  • 2°C minimum night-time temperature in March in Merthyr Vale2
    2°C min night temperature
  • 114 mm monthly rainfall in March in Merthyr Vale114
    114 mm of monthly rainfall

On average 114 mm (4.5 inches) of rain normally falls in Merthyr Vale during March with rain falling on 18 days of the month.

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Merthyr Vale weather in April

The average maximum daytime temperature in Merthyr Vale in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Merthyr Vale during April.

  • 11°C maximum daytime temperature in April in Merthyr Vale11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Merthyr Vale5
    5 hours of sunshine per day
  • 15 days with some rainfall in April in Merthyr Vale15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Merthyr Vale4
    4°C min night temperature
  • 86 mm monthly rainfall in April in Merthyr Vale86
    86 mm of monthly rainfall

On average 86 mm (3.4 inches) of rain normally falls in Merthyr Vale during April with rain falling on 15 days of the month.

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Merthyr Vale weather in May

The average maximum daytime temperature in Merthyr Vale in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Merthyr Vale during May.

  • 15°C maximum daytime temperature in May in Merthyr Vale15
    15°C max day temperature
  • 6 hours of sunshine per day in May in Merthyr Vale6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Merthyr Vale14
    14 days with some rainfall
  • 6°C minimum night-time temperature in May in Merthyr Vale6
    6°C min night temperature
  • 80 mm monthly rainfall in May in Merthyr Vale80
    80 mm of monthly rainfall

On average 80 mm (3.1 inches) of rain normally falls in Merthyr Vale during May with rain falling on 14 days of the month.

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Merthyr Vale weather in June

The average maximum daytime temperature in Merthyr Vale in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 6 hours of sunshine a day in Merthyr Vale during June.

  • 18°C maximum daytime temperature in June in Merthyr Vale18
    18°C max day temperature
  • 6 hours of sunshine per day in June in Merthyr Vale6
    6 hours of sunshine per day
  • 14 days with some rainfall in June in Merthyr Vale14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Merthyr Vale9
    9°C min night temperature
  • 80 mm monthly rainfall in June in Merthyr Vale80
    80 mm of monthly rainfall

On average 80 mm (3.1 inches) of rain normally falls in Merthyr Vale during June with rain falling on 14 days of the month.

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Merthyr Vale weather in July

The average maximum daytime temperature in Merthyr Vale in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 6 hours of sunshine a day in Merthyr Vale during July.

  • 20°C maximum daytime temperature in July in Merthyr Vale20
    20°C max day temperature
  • 6 hours of sunshine per day in July in Merthyr Vale6
    6 hours of sunshine per day
  • 13 days with some rainfall in July in Merthyr Vale13
    13 days with some rainfall
  • 11°C minimum night-time temperature in July in Merthyr Vale11
    11°C min night temperature
  • 68 mm monthly rainfall in July in Merthyr Vale68
    68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Merthyr Vale during July with rain falling on 13 days of the month.

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Merthyr Vale weather in August

The average maximum daytime temperature in Merthyr Vale in August is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Merthyr Vale during August.

  • 20°C maximum daytime temperature in August in Merthyr Vale20
    20°C max day temperature
  • 5 hours of sunshine per day in August in Merthyr Vale5
    5 hours of sunshine per day
  • 15 days with some rainfall in August in Merthyr Vale15
    15 days with some rainfall
  • 11°C minimum night-time temperature in August in Merthyr Vale11
    11°C min night temperature
  • 97 mm monthly rainfall in August in Merthyr Vale97
    97 mm of monthly rainfall

On average 97 mm (3.8 inches) of rain normally falls in Merthyr Vale during August with rain falling on 15 days of the month.

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Merthyr Vale weather in September

The average maximum daytime temperature in Merthyr Vale in September is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Merthyr Vale during September.

  • 17°C maximum daytime temperature in September in Merthyr Vale17
    17°C max day temperature
  • 4 hours of sunshine per day in September in Merthyr Vale4
    4 hours of sunshine per day
  • 15 days with some rainfall in September in Merthyr Vale15
    15 days with some rainfall
  • 9°C minimum night-time temperature in September in Merthyr Vale9
    9°C min night temperature
  • 112 mm monthly rainfall in September in Merthyr Vale112
    112 mm of monthly rainfall

On average 112 mm (4.4 inches) of rain normally falls in Merthyr Vale during September with rain falling on 15 days of the month.

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Merthyr Vale weather in October

The average maximum daytime temperature in Merthyr Vale in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Merthyr Vale during October.

  • 13°C maximum daytime temperature in October in Merthyr Vale13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Merthyr Vale3
    3 hours of sunshine per day
  • 18 days with some rainfall in October in Merthyr Vale18
    18 days with some rainfall
  • 7°C minimum night-time temperature in October in Merthyr Vale7
    7°C min night temperature
  • 138 mm monthly rainfall in October in Merthyr Vale138
    138 mm of monthly rainfall

On average 138 mm (5.4 inches) of rain normally falls in Merthyr Vale during October with rain falling on 18 days of the month.

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Merthyr Vale weather in November

The average maximum daytime temperature in Merthyr Vale in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Merthyr Vale during November.

  • 9°C maximum daytime temperature in November in Merthyr Vale9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Merthyr Vale2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Merthyr Vale19
    19 days with some rainfall
  • 4°C minimum night-time temperature in November in Merthyr Vale4
    4°C min night temperature
  • 146 mm monthly rainfall in November in Merthyr Vale146
    146 mm of monthly rainfall

On average 146 mm (5.7 inches) of rain normally falls in Merthyr Vale during November with rain falling on 19 days of the month.

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Merthyr Vale weather in December

The average maximum daytime temperature in Merthyr Vale in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 1 hours of sunshine a day in Merthyr Vale during December.

  • 7°C maximum daytime temperature in December in Merthyr Vale7
    7°C max day temperature
  • 1 hours of sunshine per day in December in Merthyr Vale1
    1 hour of sunshine per day
  • 19 days with some rainfall in December in Merthyr Vale19
    19 days with some rainfall
  • 2°C minimum night-time temperature in December in Merthyr Vale2
    2°C min night temperature
  • 168 mm monthly rainfall in December in Merthyr Vale168
    168 mm of monthly rainfall

On average 168 mm (6.6 inches) of rain normally falls in Merthyr Vale during December with rain falling on 19 days of the month.

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