Castlemartin weather

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

Castlemartin weather averages

Check the Castlemartin 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 Castlemartin, Pembrokeshire, 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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Castlemartin weather by month

Check the weather for Castlemartin, Pembrokeshire, 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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Castlemartin weather in January

The average maximum daytime temperature in Castlemartin in January 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 Castlemartin during January.

  • 8°C maximum daytime temperature in January in Castlemartin8
    8°C max day temperature
  • 2 hours of sunshine per day in January in Castlemartin2
    2 hours of sunshine per day
  • 21 days with some rainfall in January in Castlemartin21
    21 days with some rainfall
  • 3°C minimum night-time temperature in January in Castlemartin3
    3°C min night temperature
  • 181 mm monthly rainfall in January in Castlemartin181
    181 mm of monthly rainfall

On average 181 mm (7.1 inches) of rain normally falls in Castlemartin during January with rain falling on 21 days of the month.

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Castlemartin weather in February

The average maximum daytime temperature in Castlemartin in February 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 3 hours of sunshine a day in Castlemartin during February.

  • 8°C maximum daytime temperature in February in Castlemartin8
    8°C max day temperature
  • 3 hours of sunshine per day in February in Castlemartin3
    3 hours of sunshine per day
  • 17 days with some rainfall in February in Castlemartin17
    17 days with some rainfall
  • 3°C minimum night-time temperature in February in Castlemartin3
    3°C min night temperature
  • 131 mm monthly rainfall in February in Castlemartin131
    131 mm of monthly rainfall

On average 131 mm (5.2 inches) of rain normally falls in Castlemartin during February with rain falling on 17 days of the month.

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Castlemartin weather in March

The average maximum daytime temperature in Castlemartin in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 4 hours of sunshine a day in Castlemartin during March.

  • 10°C maximum daytime temperature in March in Castlemartin10
    10°C max day temperature
  • 4 hours of sunshine per day in March in Castlemartin4
    4 hours of sunshine per day
  • 18 days with some rainfall in March in Castlemartin18
    18 days with some rainfall
  • 4°C minimum night-time temperature in March in Castlemartin4
    4°C min night temperature
  • 129 mm monthly rainfall in March in Castlemartin129
    129 mm of monthly rainfall

On average 129 mm (5.1 inches) of rain normally falls in Castlemartin during March with rain falling on 18 days of the month.

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Castlemartin weather in April

The average maximum daytime temperature in Castlemartin in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 6 hours of sunshine a day in Castlemartin during April.

  • 12°C maximum daytime temperature in April in Castlemartin12
    12°C max day temperature
  • 6 hours of sunshine per day in April in Castlemartin6
    6 hours of sunshine per day
  • 15 days with some rainfall in April in Castlemartin15
    15 days with some rainfall
  • 5°C minimum night-time temperature in April in Castlemartin5
    5°C min night temperature
  • 88 mm monthly rainfall in April in Castlemartin88
    88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Castlemartin during April with rain falling on 15 days of the month.

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Castlemartin weather in May

The average maximum daytime temperature in Castlemartin in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 7 hours of sunshine a day in Castlemartin during May.

  • 15°C maximum daytime temperature in May in Castlemartin15
    15°C max day temperature
  • 7 hours of sunshine per day in May in Castlemartin7
    7 hours of sunshine per day
  • 15 days with some rainfall in May in Castlemartin15
    15 days with some rainfall
  • 7°C minimum night-time temperature in May in Castlemartin7
    7°C min night temperature
  • 86 mm monthly rainfall in May in Castlemartin86
    86 mm of monthly rainfall

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

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Castlemartin weather in June

The average maximum daytime temperature in Castlemartin 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 Castlemartin during June.

  • 18°C maximum daytime temperature in June in Castlemartin18
    18°C max day temperature
  • 7 hours of sunshine per day in June in Castlemartin7
    7 hours of sunshine per day
  • 14 days with some rainfall in June in Castlemartin14
    14 days with some rainfall
  • 10°C minimum night-time temperature in June in Castlemartin10
    10°C min night temperature
  • 89 mm monthly rainfall in June in Castlemartin89
    89 mm of monthly rainfall

On average 89 mm (3.5 inches) of rain normally falls in Castlemartin during June with rain falling on 14 days of the month.

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Castlemartin weather in July

The average maximum daytime temperature in Castlemartin in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 7 hours of sunshine a day in Castlemartin during July.

  • 20°C maximum daytime temperature in July in Castlemartin20
    20°C max day temperature
  • 7 hours of sunshine per day in July in Castlemartin7
    7 hours of sunshine per day
  • 14 days with some rainfall in July in Castlemartin14
    14 days with some rainfall
  • 12°C minimum night-time temperature in July in Castlemartin12
    12°C min night temperature
  • 85 mm monthly rainfall in July in Castlemartin85
    85 mm of monthly rainfall

On average 85 mm (3.3 inches) of rain normally falls in Castlemartin during July with rain falling on 14 days of the month.

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Castlemartin weather in August

The average maximum daytime temperature in Castlemartin in August is a comfortable 20°C (68°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 Castlemartin during August.

  • 20°C maximum daytime temperature in August in Castlemartin20
    20°C max day temperature
  • 6 hours of sunshine per day in August in Castlemartin6
    6 hours of sunshine per day
  • 16 days with some rainfall in August in Castlemartin16
    16 days with some rainfall
  • 12°C minimum night-time temperature in August in Castlemartin12
    12°C min night temperature
  • 117 mm monthly rainfall in August in Castlemartin117
    117 mm of monthly rainfall

On average 117 mm (4.6 inches) of rain normally falls in Castlemartin during August with rain falling on 16 days of the month.

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Castlemartin weather in September

The average maximum daytime temperature in Castlemartin in September is a comfortable 17°C (63°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 Castlemartin during September.

  • 17°C maximum daytime temperature in September in Castlemartin17
    17°C max day temperature
  • 5 hours of sunshine per day in September in Castlemartin5
    5 hours of sunshine per day
  • 17 days with some rainfall in September in Castlemartin17
    17 days with some rainfall
  • 10°C minimum night-time temperature in September in Castlemartin10
    10°C min night temperature
  • 132 mm monthly rainfall in September in Castlemartin132
    132 mm of monthly rainfall

On average 132 mm (5.2 inches) of rain normally falls in Castlemartin during September with rain falling on 17 days of the month.

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Castlemartin weather in October

The average maximum daytime temperature in Castlemartin 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 Castlemartin during October.

  • 14°C maximum daytime temperature in October in Castlemartin14
    14°C max day temperature
  • 3 hours of sunshine per day in October in Castlemartin3
    3 hours of sunshine per day
  • 19 days with some rainfall in October in Castlemartin19
    19 days with some rainfall
  • 8°C minimum night-time temperature in October in Castlemartin8
    8°C min night temperature
  • 165 mm monthly rainfall in October in Castlemartin165
    165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Castlemartin during October with rain falling on 19 days of the month.

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Castlemartin weather in November

The average maximum daytime temperature in Castlemartin in November is a cool 11°C (52°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 Castlemartin during November.

  • 11°C maximum daytime temperature in November in Castlemartin11
    11°C max day temperature
  • 2 hours of sunshine per day in November in Castlemartin2
    2 hours of sunshine per day
  • 20 days with some rainfall in November in Castlemartin20
    20 days with some rainfall
  • 5°C minimum night-time temperature in November in Castlemartin5
    5°C min night temperature
  • 165 mm monthly rainfall in November in Castlemartin165
    165 mm of monthly rainfall

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

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Castlemartin weather in December

The average maximum daytime temperature in Castlemartin in December 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 Castlemartin during December.

  • 9°C maximum daytime temperature in December in Castlemartin9
    9°C max day temperature
  • 2 hours of sunshine per day in December in Castlemartin2
    2 hours of sunshine per day
  • 21 days with some rainfall in December in Castlemartin21
    21 days with some rainfall
  • 4°C minimum night-time temperature in December in Castlemartin4
    4°C min night temperature
  • 191 mm monthly rainfall in December in Castlemartin191
    191 mm of monthly rainfall

On average 191 mm (7.5 inches) of rain normally falls in Castlemartin during December with rain falling on 21 days of the month.

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