Treharris weather

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

Treharris weather averages

Check the Treharris 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 Treharris, Caerphilly 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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Treharris weather by month

Check the weather for Treharris, Caerphilly 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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Treharris weather in January

The average maximum daytime temperature in Treharris 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 2 hours of sunshine a day in Treharris during January.

  • 6°C maximum daytime temperature in January in Treharris6
    6°C max day temperature
  • 2 hours of sunshine per day in January in Treharris2
    2 hours of sunshine per day
  • 20 days with some rainfall in January in Treharris20
    20 days with some rainfall
  • 1°C minimum night-time temperature in January in Treharris1
    1°C min night temperature
  • 165 mm monthly rainfall in January in Treharris165
    165 mm of monthly rainfall

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

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Treharris weather in February

The average maximum daytime temperature in Treharris 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 Treharris during February.

  • 7°C maximum daytime temperature in February in Treharris7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Treharris2
    2 hours of sunshine per day
  • 16 days with some rainfall in February in Treharris16
    16 days with some rainfall
  • 1°C minimum night-time temperature in February in Treharris1
    1°C min night temperature
  • 120 mm monthly rainfall in February in Treharris120
    120 mm of monthly rainfall

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

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Treharris weather in March

The average maximum daytime temperature in Treharris 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 4 hours of sunshine a day in Treharris during March.

  • 9°C maximum daytime temperature in March in Treharris9
    9°C max day temperature
  • 4 hours of sunshine per day in March in Treharris4
    4 hours of sunshine per day
  • 18 days with some rainfall in March in Treharris18
    18 days with some rainfall
  • 2°C minimum night-time temperature in March in Treharris2
    2°C min night temperature
  • 114 mm monthly rainfall in March in Treharris114
    114 mm of monthly rainfall

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

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Treharris weather in April

The average maximum daytime temperature in Treharris 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 Treharris during April.

  • 11°C maximum daytime temperature in April in Treharris11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Treharris5
    5 hours of sunshine per day
  • 15 days with some rainfall in April in Treharris15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Treharris4
    4°C min night temperature
  • 86 mm monthly rainfall in April in Treharris86
    86 mm of monthly rainfall

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

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Treharris weather in May

The average maximum daytime temperature in Treharris 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 Treharris during May.

  • 15°C maximum daytime temperature in May in Treharris15
    15°C max day temperature
  • 6 hours of sunshine per day in May in Treharris6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Treharris14
    14 days with some rainfall
  • 6°C minimum night-time temperature in May in Treharris6
    6°C min night temperature
  • 80 mm monthly rainfall in May in Treharris80
    80 mm of monthly rainfall

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

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Treharris weather in June

The average maximum daytime temperature in Treharris 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 7 hours of sunshine a day in Treharris during June.

  • 18°C maximum daytime temperature in June in Treharris18
    18°C max day temperature
  • 7 hours of sunshine per day in June in Treharris7
    7 hours of sunshine per day
  • 14 days with some rainfall in June in Treharris14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Treharris9
    9°C min night temperature
  • 80 mm monthly rainfall in June in Treharris80
    80 mm of monthly rainfall

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

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Treharris weather in July

The average maximum daytime temperature in Treharris 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 Treharris during July.

  • 20°C maximum daytime temperature in July in Treharris20
    20°C max day temperature
  • 6 hours of sunshine per day in July in Treharris6
    6 hours of sunshine per day
  • 13 days with some rainfall in July in Treharris13
    13 days with some rainfall
  • 11°C minimum night-time temperature in July in Treharris11
    11°C min night temperature
  • 68 mm monthly rainfall in July in Treharris68
    68 mm of monthly rainfall

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

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Treharris weather in August

The average maximum daytime temperature in Treharris 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 6 hours of sunshine a day in Treharris during August.

  • 20°C maximum daytime temperature in August in Treharris20
    20°C max day temperature
  • 6 hours of sunshine per day in August in Treharris6
    6 hours of sunshine per day
  • 15 days with some rainfall in August in Treharris15
    15 days with some rainfall
  • 11°C minimum night-time temperature in August in Treharris11
    11°C min night temperature
  • 97 mm monthly rainfall in August in Treharris97
    97 mm of monthly rainfall

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

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Treharris weather in September

The average maximum daytime temperature in Treharris 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 Treharris during September.

  • 17°C maximum daytime temperature in September in Treharris17
    17°C max day temperature
  • 4 hours of sunshine per day in September in Treharris4
    4 hours of sunshine per day
  • 15 days with some rainfall in September in Treharris15
    15 days with some rainfall
  • 9°C minimum night-time temperature in September in Treharris9
    9°C min night temperature
  • 112 mm monthly rainfall in September in Treharris112
    112 mm of monthly rainfall

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

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Treharris weather in October

The average maximum daytime temperature in Treharris 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 Treharris during October.

  • 13°C maximum daytime temperature in October in Treharris13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Treharris3
    3 hours of sunshine per day
  • 18 days with some rainfall in October in Treharris18
    18 days with some rainfall
  • 7°C minimum night-time temperature in October in Treharris7
    7°C min night temperature
  • 138 mm monthly rainfall in October in Treharris138
    138 mm of monthly rainfall

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

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Treharris weather in November

The average maximum daytime temperature in Treharris 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 Treharris during November.

  • 9°C maximum daytime temperature in November in Treharris9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Treharris2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Treharris19
    19 days with some rainfall
  • 4°C minimum night-time temperature in November in Treharris4
    4°C min night temperature
  • 146 mm monthly rainfall in November in Treharris146
    146 mm of monthly rainfall

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

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Treharris weather in December

The average maximum daytime temperature in Treharris 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 2 hours of sunshine a day in Treharris during December.

  • 7°C maximum daytime temperature in December in Treharris7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Treharris2
    2 hours of sunshine per day
  • 19 days with some rainfall in December in Treharris19
    19 days with some rainfall
  • 2°C minimum night-time temperature in December in Treharris2
    2°C min night temperature
  • 168 mm monthly rainfall in December in Treharris168
    168 mm of monthly rainfall

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

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