Ballycastle weather

The Ballycastle weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Ballycastle, Northern Ireland.

Ballycastle weather averages

Check the Ballycastle 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 Ballycastle, Northern Ireland.

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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Ballycastle weather by month

Check the weather for Ballycastle, Northern Ireland 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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Ballycastle weather in January

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

  • 7°C maximum daytime temperature in January in Ballycastle7
    7°C max day temperature
  • 1 hours of sunshine per day in January in Ballycastle1
    1 hour of sunshine per day
  • 22 days with some rainfall in January in Ballycastle22
    22 days with some rainfall
  • 2°C minimum night-time temperature in January in Ballycastle2
    2°C min night temperature
  • 125 mm monthly rainfall in January in Ballycastle125
    125 mm of monthly rainfall

On average 125 mm (4.9 inches) of rain normally falls in Ballycastle during January with rain falling on 22 days of the month. Average sea temperature around Ballycastle is 8°C (46°F) during January.

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Ballycastle weather in February

The average maximum daytime temperature in Ballycastle in February 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 Ballycastle during February.

  • 7°C maximum daytime temperature in February in Ballycastle7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Ballycastle2
    2 hours of sunshine per day
  • 18 days with some rainfall in February in Ballycastle18
    18 days with some rainfall
  • 2°C minimum night-time temperature in February in Ballycastle2
    2°C min night temperature
  • 85 mm monthly rainfall in February in Ballycastle85
    85 mm of monthly rainfall

On average 85 mm (3.3 inches) of rain normally falls in Ballycastle during February with rain falling on 18 days of the month. Average sea temperature around Ballycastle is 8°C (46°F) during February.

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Ballycastle weather in March

The average maximum daytime temperature in Ballycastle in March 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 Ballycastle during March.

  • 8°C maximum daytime temperature in March in Ballycastle8
    8°C max day temperature
  • 3 hours of sunshine per day in March in Ballycastle3
    3 hours of sunshine per day
  • 20 days with some rainfall in March in Ballycastle20
    20 days with some rainfall
  • 3°C minimum night-time temperature in March in Ballycastle3
    3°C min night temperature
  • 96 mm monthly rainfall in March in Ballycastle96
    96 mm of monthly rainfall

On average 96 mm (3.8 inches) of rain normally falls in Ballycastle during March with rain falling on 20 days of the month. Average sea temperature around Ballycastle is 8°C (46°F) during March.

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Ballycastle weather in April

The average maximum daytime temperature in Ballycastle 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 Ballycastle during April.

  • 11°C maximum daytime temperature in April in Ballycastle11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Ballycastle5
    5 hours of sunshine per day
  • 16 days with some rainfall in April in Ballycastle16
    16 days with some rainfall
  • 4°C minimum night-time temperature in April in Ballycastle4
    4°C min night temperature
  • 70 mm monthly rainfall in April in Ballycastle70
    70 mm of monthly rainfall

On average 70 mm (2.8 inches) of rain normally falls in Ballycastle during April with rain falling on 16 days of the month. Average sea temperature around Ballycastle is 8°C (46°F) during April.

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Ballycastle weather in May

The average maximum daytime temperature in Ballycastle in May is a cool 13°C (55°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 Ballycastle during May.

  • 13°C maximum daytime temperature in May in Ballycastle13
    13°C max day temperature
  • 6 hours of sunshine per day in May in Ballycastle6
    6 hours of sunshine per day
  • 16 days with some rainfall in May in Ballycastle16
    16 days with some rainfall
  • 6°C minimum night-time temperature in May in Ballycastle6
    6°C min night temperature
  • 55 mm monthly rainfall in May in Ballycastle55
    55 mm of monthly rainfall

On average 55 mm (2.2 inches) of rain normally falls in Ballycastle during May with rain falling on 16 days of the month. Average sea temperature around Ballycastle is 10°C (50°F) during May.

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Ballycastle weather in June

The average maximum daytime temperature in Ballycastle in June is a comfortable 15°C (59°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 Ballycastle during June.

  • 15°C maximum daytime temperature in June in Ballycastle15
    15°C max day temperature
  • 6 hours of sunshine per day in June in Ballycastle6
    6 hours of sunshine per day
  • 16 days with some rainfall in June in Ballycastle16
    16 days with some rainfall
  • 9°C minimum night-time temperature in June in Ballycastle9
    9°C min night temperature
  • 69 mm monthly rainfall in June in Ballycastle69
    69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Ballycastle during June with rain falling on 16 days of the month. Average sea temperature around Ballycastle is 12°C (54°F) during June.

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Ballycastle weather in July

The average maximum daytime temperature in Ballycastle in July is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 4 hours of sunshine a day in Ballycastle during July.

  • 17°C maximum daytime temperature in July in Ballycastle17
    17°C max day temperature
  • 4 hours of sunshine per day in July in Ballycastle4
    4 hours of sunshine per day
  • 18 days with some rainfall in July in Ballycastle18
    18 days with some rainfall
  • 11°C minimum night-time temperature in July in Ballycastle11
    11°C min night temperature
  • 76 mm monthly rainfall in July in Ballycastle76
    76 mm of monthly rainfall

On average 76 mm (3 inches) of rain normally falls in Ballycastle during July with rain falling on 18 days of the month. Average sea temperature around Ballycastle is 13°C (55°F) during July.

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Ballycastle weather in August

The average maximum daytime temperature in Ballycastle in August is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 4 hours of sunshine a day in Ballycastle during August.

  • 17°C maximum daytime temperature in August in Ballycastle17
    17°C max day temperature
  • 4 hours of sunshine per day in August in Ballycastle4
    4 hours of sunshine per day
  • 19 days with some rainfall in August in Ballycastle19
    19 days with some rainfall
  • 11°C minimum night-time temperature in August in Ballycastle11
    11°C min night temperature
  • 95 mm monthly rainfall in August in Ballycastle95
    95 mm of monthly rainfall

On average 95 mm (3.7 inches) of rain normally falls in Ballycastle during August with rain falling on 19 days of the month. Average sea temperature around Ballycastle is 14°C (57°F) during August.

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Ballycastle weather in September

The average maximum daytime temperature in Ballycastle in September is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 3 hours of sunshine a day in Ballycastle during September.

  • 15°C maximum daytime temperature in September in Ballycastle15
    15°C max day temperature
  • 3 hours of sunshine per day in September in Ballycastle3
    3 hours of sunshine per day
  • 20 days with some rainfall in September in Ballycastle20
    20 days with some rainfall
  • 9°C minimum night-time temperature in September in Ballycastle9
    9°C min night temperature
  • 104 mm monthly rainfall in September in Ballycastle104
    104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Ballycastle during September with rain falling on 20 days of the month. Average sea temperature around Ballycastle is 14°C (57°F) during September.

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Ballycastle weather in October

The average maximum daytime temperature in Ballycastle in October is a cool 12°C (54°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 Ballycastle during October.

  • 12°C maximum daytime temperature in October in Ballycastle12
    12°C max day temperature
  • 3 hours of sunshine per day in October in Ballycastle3
    3 hours of sunshine per day
  • 21 days with some rainfall in October in Ballycastle21
    21 days with some rainfall
  • 7°C minimum night-time temperature in October in Ballycastle7
    7°C min night temperature
  • 123 mm monthly rainfall in October in Ballycastle123
    123 mm of monthly rainfall

On average 123 mm (4.8 inches) of rain normally falls in Ballycastle during October with rain falling on 21 days of the month. Average sea temperature around Ballycastle is 13°C (55°F) during October.

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Ballycastle weather in November

The average maximum daytime temperature in Ballycastle 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 Ballycastle during November.

  • 9°C maximum daytime temperature in November in Ballycastle9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Ballycastle2
    2 hours of sunshine per day
  • 21 days with some rainfall in November in Ballycastle21
    21 days with some rainfall
  • 4°C minimum night-time temperature in November in Ballycastle4
    4°C min night temperature
  • 122 mm monthly rainfall in November in Ballycastle122
    122 mm of monthly rainfall

On average 122 mm (4.8 inches) of rain normally falls in Ballycastle during November with rain falling on 21 days of the month. Average sea temperature around Ballycastle is 11°C (52°F) during November.

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Ballycastle weather in December

The average maximum daytime temperature in Ballycastle 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 1 hours of sunshine a day in Ballycastle during December.

  • 8°C maximum daytime temperature in December in Ballycastle8
    8°C max day temperature
  • 1 hours of sunshine per day in December in Ballycastle1
    1 hour of sunshine per day
  • 22 days with some rainfall in December in Ballycastle22
    22 days with some rainfall
  • 3°C minimum night-time temperature in December in Ballycastle3
    3°C min night temperature
  • 118 mm monthly rainfall in December in Ballycastle118
    118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Ballycastle during December with rain falling on 22 days of the month. Average sea temperature around Ballycastle is 10°C (50°F) during December.

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