Castleton weather

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

Castleton weather averages

Check the Castleton 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 Castleton, Newport 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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Castleton weather by month

Check the weather for Castleton, Newport 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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Castleton weather in January

The average maximum daytime temperature in Castleton 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 Castleton during January.

  • 6°C maximum daytime temperature in January in Castleton6
    6°C max day temperature
  • 2 hours of sunshine per day in January in Castleton2
    2 hours of sunshine per day
  • 20 days with some rainfall in January in Castleton20
    20 days with some rainfall
  • 1°C minimum night-time temperature in January in Castleton1
    1°C min night temperature
  • 165 mm monthly rainfall in January in Castleton165
    165 mm of monthly rainfall

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

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Castleton weather in February

The average maximum daytime temperature in Castleton 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 Castleton during February.

  • 7°C maximum daytime temperature in February in Castleton7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Castleton2
    2 hours of sunshine per day
  • 16 days with some rainfall in February in Castleton16
    16 days with some rainfall
  • 1°C minimum night-time temperature in February in Castleton1
    1°C min night temperature
  • 120 mm monthly rainfall in February in Castleton120
    120 mm of monthly rainfall

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

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Castleton weather in March

The average maximum daytime temperature in Castleton 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 Castleton during March.

  • 9°C maximum daytime temperature in March in Castleton9
    9°C max day temperature
  • 4 hours of sunshine per day in March in Castleton4
    4 hours of sunshine per day
  • 18 days with some rainfall in March in Castleton18
    18 days with some rainfall
  • 2°C minimum night-time temperature in March in Castleton2
    2°C min night temperature
  • 114 mm monthly rainfall in March in Castleton114
    114 mm of monthly rainfall

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

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Castleton weather in April

The average maximum daytime temperature in Castleton 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 Castleton during April.

  • 11°C maximum daytime temperature in April in Castleton11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Castleton5
    5 hours of sunshine per day
  • 15 days with some rainfall in April in Castleton15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Castleton4
    4°C min night temperature
  • 86 mm monthly rainfall in April in Castleton86
    86 mm of monthly rainfall

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

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Castleton weather in May

The average maximum daytime temperature in Castleton 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 Castleton during May.

  • 15°C maximum daytime temperature in May in Castleton15
    15°C max day temperature
  • 6 hours of sunshine per day in May in Castleton6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Castleton14
    14 days with some rainfall
  • 6°C minimum night-time temperature in May in Castleton6
    6°C min night temperature
  • 80 mm monthly rainfall in May in Castleton80
    80 mm of monthly rainfall

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

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Castleton weather in June

The average maximum daytime temperature in Castleton 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 Castleton during June.

  • 18°C maximum daytime temperature in June in Castleton18
    18°C max day temperature
  • 7 hours of sunshine per day in June in Castleton7
    7 hours of sunshine per day
  • 14 days with some rainfall in June in Castleton14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Castleton9
    9°C min night temperature
  • 80 mm monthly rainfall in June in Castleton80
    80 mm of monthly rainfall

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

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Castleton weather in July

The average maximum daytime temperature in Castleton 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 Castleton during July.

  • 20°C maximum daytime temperature in July in Castleton20
    20°C max day temperature
  • 6 hours of sunshine per day in July in Castleton6
    6 hours of sunshine per day
  • 13 days with some rainfall in July in Castleton13
    13 days with some rainfall
  • 11°C minimum night-time temperature in July in Castleton11
    11°C min night temperature
  • 68 mm monthly rainfall in July in Castleton68
    68 mm of monthly rainfall

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

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Castleton weather in August

The average maximum daytime temperature in Castleton 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 Castleton during August.

  • 20°C maximum daytime temperature in August in Castleton20
    20°C max day temperature
  • 6 hours of sunshine per day in August in Castleton6
    6 hours of sunshine per day
  • 15 days with some rainfall in August in Castleton15
    15 days with some rainfall
  • 11°C minimum night-time temperature in August in Castleton11
    11°C min night temperature
  • 97 mm monthly rainfall in August in Castleton97
    97 mm of monthly rainfall

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

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Castleton weather in September

The average maximum daytime temperature in Castleton 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 5 hours of sunshine a day in Castleton during September.

  • 17°C maximum daytime temperature in September in Castleton17
    17°C max day temperature
  • 5 hours of sunshine per day in September in Castleton5
    5 hours of sunshine per day
  • 15 days with some rainfall in September in Castleton15
    15 days with some rainfall
  • 9°C minimum night-time temperature in September in Castleton9
    9°C min night temperature
  • 112 mm monthly rainfall in September in Castleton112
    112 mm of monthly rainfall

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

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Castleton weather in October

The average maximum daytime temperature in Castleton 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 Castleton during October.

  • 13°C maximum daytime temperature in October in Castleton13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Castleton3
    3 hours of sunshine per day
  • 18 days with some rainfall in October in Castleton18
    18 days with some rainfall
  • 7°C minimum night-time temperature in October in Castleton7
    7°C min night temperature
  • 138 mm monthly rainfall in October in Castleton138
    138 mm of monthly rainfall

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

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Castleton weather in November

The average maximum daytime temperature in Castleton 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 Castleton during November.

  • 9°C maximum daytime temperature in November in Castleton9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Castleton2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Castleton19
    19 days with some rainfall
  • 4°C minimum night-time temperature in November in Castleton4
    4°C min night temperature
  • 146 mm monthly rainfall in November in Castleton146
    146 mm of monthly rainfall

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

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Castleton weather in December

The average maximum daytime temperature in Castleton 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 Castleton during December.

  • 7°C maximum daytime temperature in December in Castleton7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Castleton2
    2 hours of sunshine per day
  • 19 days with some rainfall in December in Castleton19
    19 days with some rainfall
  • 2°C minimum night-time temperature in December in Castleton2
    2°C min night temperature
  • 168 mm monthly rainfall in December in Castleton168
    168 mm of monthly rainfall

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

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