Cardiff Area weather

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

Cardiff Area weather averages

Check the Cardiff Area 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 Cardiff Area, Wales. The Cardiff Area weather averages shown below are for Cardiff.

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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Cardiff Area weather by month

Check the weather for Cardiff Area, Wales for a particular month by selecting from the list below. The Cardiff Area monthly weather averages are for Cardiff. This gives the best indication of what to expect from the weather months in advance.

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Cardiff Area weather in January

The average maximum daytime temperature in Cardiff Area (Cardiff) in January is a cool 8°C (46°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 Cardiff Area (Cardiff) during January.

  • 8°C maximum daytime temperature in January in Cardiff Area (Cardiff)8
    8°C max day temperature
  • 2 hours of sunshine per day in January in Cardiff Area2
    2 hours of sunshine per day
  • 19 days with some rainfall in January in Cardiff Area (Cardiff)19
    19 days with some rainfall
  • 2°C minimum night-time temperature in January in Cardiff Area (Cardiff)2
    2°C min night temperature
  • 105 mm monthly rainfall in January in Cardiff Area (Cardiff)105
    105 mm of monthly rainfall

On average 105 mm (4.1 inches) of rain normally falls in Cardiff Area (Cardiff) during January with rain falling on 19 days of the month.

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Cardiff Area weather in February

The average maximum daytime temperature in Cardiff Area (Cardiff) in February is a cool 8°C (46°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 Cardiff Area (Cardiff) during February.

  • 8°C maximum daytime temperature in February in Cardiff Area (Cardiff)8
    8°C max day temperature
  • 3 hours of sunshine per day in February in Cardiff Area3
    3 hours of sunshine per day
  • 15 days with some rainfall in February in Cardiff Area (Cardiff)15
    15 days with some rainfall
  • 2°C minimum night-time temperature in February in Cardiff Area (Cardiff)2
    2°C min night temperature
  • 79 mm monthly rainfall in February in Cardiff Area (Cardiff)79
    79 mm of monthly rainfall

On average 79 mm (3.1 inches) of rain normally falls in Cardiff Area (Cardiff) during February with rain falling on 15 days of the month.

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Cardiff Area weather in March

The average maximum daytime temperature in Cardiff Area (Cardiff) in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 4 hours of sunshine a day in Cardiff Area (Cardiff) during March.

  • 10°C maximum daytime temperature in March in Cardiff Area (Cardiff)10
    10°C max day temperature
  • 4 hours of sunshine per day in March in Cardiff Area4
    4 hours of sunshine per day
  • 17 days with some rainfall in March in Cardiff Area (Cardiff)17
    17 days with some rainfall
  • 3°C minimum night-time temperature in March in Cardiff Area (Cardiff)3
    3°C min night temperature
  • 76 mm monthly rainfall in March in Cardiff Area (Cardiff)76
    76 mm of monthly rainfall

On average 76 mm (3 inches) of rain normally falls in Cardiff Area (Cardiff) during March with rain falling on 17 days of the month.

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Cardiff Area weather in April

The average maximum daytime temperature in Cardiff Area (Cardiff) in April is a cool 12°C (54°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 Cardiff Area (Cardiff) during April.

  • 12°C maximum daytime temperature in April in Cardiff Area (Cardiff)12
    12°C max day temperature
  • 5 hours of sunshine per day in April in Cardiff Area5
    5 hours of sunshine per day
  • 14 days with some rainfall in April in Cardiff Area (Cardiff)14
    14 days with some rainfall
  • 4°C minimum night-time temperature in April in Cardiff Area (Cardiff)4
    4°C min night temperature
  • 60 mm monthly rainfall in April in Cardiff Area (Cardiff)60
    60 mm of monthly rainfall

On average 60 mm (2.4 inches) of rain normally falls in Cardiff Area (Cardiff) during April with rain falling on 14 days of the month.

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Cardiff Area weather in May

The average maximum daytime temperature in Cardiff Area (Cardiff) in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 6 hours of sunshine a day in Cardiff Area (Cardiff) during May.

  • 16°C maximum daytime temperature in May in Cardiff Area (Cardiff)16
    16°C max day temperature
  • 6 hours of sunshine per day in May in Cardiff Area6
    6 hours of sunshine per day
  • 13 days with some rainfall in May in Cardiff Area (Cardiff)13
    13 days with some rainfall
  • 7°C minimum night-time temperature in May in Cardiff Area (Cardiff)7
    7°C min night temperature
  • 61 mm monthly rainfall in May in Cardiff Area (Cardiff)61
    61 mm of monthly rainfall

On average 61 mm (2.4 inches) of rain normally falls in Cardiff Area (Cardiff) during May with rain falling on 13 days of the month.

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Cardiff Area weather in June

The average maximum daytime temperature in Cardiff Area (Cardiff) in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 7 hours of sunshine a day in Cardiff Area (Cardiff) during June.

  • 18°C maximum daytime temperature in June in Cardiff Area (Cardiff)18
    18°C max day temperature
  • 7 hours of sunshine per day in June in Cardiff Area7
    7 hours of sunshine per day
  • 13 days with some rainfall in June in Cardiff Area (Cardiff)13
    13 days with some rainfall
  • 10°C minimum night-time temperature in June in Cardiff Area (Cardiff)10
    10°C min night temperature
  • 61 mm monthly rainfall in June in Cardiff Area (Cardiff)61
    61 mm of monthly rainfall

On average 61 mm (2.4 inches) of rain normally falls in Cardiff Area (Cardiff) during June with rain falling on 13 days of the month.

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Cardiff Area weather in July

The average maximum daytime temperature in Cardiff Area (Cardiff) in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Cardiff Area (Cardiff) during July.

  • 21°C maximum daytime temperature in July in Cardiff Area (Cardiff)21
    21°C max day temperature
  • 6 hours of sunshine per day in July in Cardiff Area6
    6 hours of sunshine per day
  • 12 days with some rainfall in July in Cardiff Area (Cardiff)12
    12 days with some rainfall
  • 12°C minimum night-time temperature in July in Cardiff Area (Cardiff)12
    12°C min night temperature
  • 54 mm monthly rainfall in July in Cardiff Area (Cardiff)54
    54 mm of monthly rainfall

On average 54 mm (2.1 inches) of rain normally falls in Cardiff Area (Cardiff) during July with rain falling on 12 days of the month.

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Cardiff Area weather in August

The average maximum daytime temperature in Cardiff Area (Cardiff) in August is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Cardiff Area (Cardiff) during August.

  • 21°C maximum daytime temperature in August in Cardiff Area (Cardiff)21
    21°C max day temperature
  • 6 hours of sunshine per day in August in Cardiff Area6
    6 hours of sunshine per day
  • 14 days with some rainfall in August in Cardiff Area (Cardiff)14
    14 days with some rainfall
  • 12°C minimum night-time temperature in August in Cardiff Area (Cardiff)12
    12°C min night temperature
  • 77 mm monthly rainfall in August in Cardiff Area (Cardiff)77
    77 mm of monthly rainfall

On average 77 mm (3 inches) of rain normally falls in Cardiff Area (Cardiff) during August with rain falling on 14 days of the month.

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Cardiff Area weather in September

The average maximum daytime temperature in Cardiff Area (Cardiff) in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Cardiff Area (Cardiff) during September.

  • 18°C maximum daytime temperature in September in Cardiff Area (Cardiff)18
    18°C max day temperature
  • 5 hours of sunshine per day in September in Cardiff Area5
    5 hours of sunshine per day
  • 14 days with some rainfall in September in Cardiff Area (Cardiff)14
    14 days with some rainfall
  • 10°C minimum night-time temperature in September in Cardiff Area (Cardiff)10
    10°C min night temperature
  • 82 mm monthly rainfall in September in Cardiff Area (Cardiff)82
    82 mm of monthly rainfall

On average 82 mm (3.2 inches) of rain normally falls in Cardiff Area (Cardiff) during September with rain falling on 14 days of the month.

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Cardiff Area weather in October

The average maximum daytime temperature in Cardiff Area (Cardiff) in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 3 hours of sunshine a day in Cardiff Area (Cardiff) during October.

  • 14°C maximum daytime temperature in October in Cardiff Area (Cardiff)14
    14°C max day temperature
  • 3 hours of sunshine per day in October in Cardiff Area3
    3 hours of sunshine per day
  • 17 days with some rainfall in October in Cardiff Area (Cardiff)17
    17 days with some rainfall
  • 8°C minimum night-time temperature in October in Cardiff Area (Cardiff)8
    8°C min night temperature
  • 99 mm monthly rainfall in October in Cardiff Area (Cardiff)99
    99 mm of monthly rainfall

On average 99 mm (3.9 inches) of rain normally falls in Cardiff Area (Cardiff) during October with rain falling on 17 days of the month.

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Cardiff Area weather in November

The average maximum daytime temperature in Cardiff Area (Cardiff) in November is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 2 hours of sunshine a day in Cardiff Area (Cardiff) during November.

  • 10°C maximum daytime temperature in November in Cardiff Area (Cardiff)10
    10°C max day temperature
  • 2 hours of sunshine per day in November in Cardiff Area2
    2 hours of sunshine per day
  • 18 days with some rainfall in November in Cardiff Area (Cardiff)18
    18 days with some rainfall
  • 5°C minimum night-time temperature in November in Cardiff Area (Cardiff)5
    5°C min night temperature
  • 101 mm monthly rainfall in November in Cardiff Area (Cardiff)101
    101 mm of monthly rainfall

On average 101 mm (4 inches) of rain normally falls in Cardiff Area (Cardiff) during November with rain falling on 18 days of the month.

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Cardiff Area weather in December

The average maximum daytime temperature in Cardiff Area (Cardiff) in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Cardiff Area (Cardiff) during December.

  • 8°C maximum daytime temperature in December in Cardiff Area (Cardiff)8
    8°C max day temperature
  • 2 hours of sunshine per day in December in Cardiff Area2
    2 hours of sunshine per day
  • 19 days with some rainfall in December in Cardiff Area (Cardiff)19
    19 days with some rainfall
  • 3°C minimum night-time temperature in December in Cardiff Area (Cardiff)3
    3°C min night temperature
  • 110 mm monthly rainfall in December in Cardiff Area (Cardiff)110
    110 mm of monthly rainfall

On average 110 mm (4.3 inches) of rain normally falls in Cardiff Area (Cardiff) during December with rain falling on 19 days of the month.

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Cardiff Area destinations

Browse the destinations below to find a holiday weather guide to help you plan your next holiday to Cardiff Area. If you can't find the destination you are looking for, try the destination search.

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