Antrim weather

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

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Antrim weather averages

Check the Antrim 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 Antrim, 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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Antrim weather by month

Check the weather for Antrim, 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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Antrim weather in January

The average maximum daytime temperature in Antrim 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 1 hours of sunshine a day in Antrim during January.

  • 6°C maximum daytime temperature in January in Antrim6
    6°C max day temperature
  • 1 hours of sunshine per day in January in Antrim1
    1 hour of sunshine per day
  • 21 days with some rainfall in January in Antrim21
    21 days with some rainfall
  • 1°C minimum night-time temperature in January in Antrim1
    1°C min night temperature
  • 105 mm monthly rainfall in January in Antrim105
    105 mm of monthly rainfall

On average 105 mm (4.1 inches) of rain normally falls in Antrim during January with rain falling on 21 days of the month. Average sea temperature around Antrim is 8°C (46°F) during January.

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Antrim weather in February

The average maximum daytime temperature in Antrim 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 Antrim during February.

  • 7°C maximum daytime temperature in February in Antrim7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Antrim2
    2 hours of sunshine per day
  • 18 days with some rainfall in February in Antrim18
    18 days with some rainfall
  • 1°C minimum night-time temperature in February in Antrim1
    1°C min night temperature
  • 73 mm monthly rainfall in February in Antrim73
    73 mm of monthly rainfall

On average 73 mm (2.9 inches) of rain normally falls in Antrim during February with rain falling on 18 days of the month. Average sea temperature around Antrim is 8°C (46°F) during February.

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Antrim weather in March

The average maximum daytime temperature in Antrim 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 3 hours of sunshine a day in Antrim during March.

  • 9°C maximum daytime temperature in March in Antrim9
    9°C max day temperature
  • 3 hours of sunshine per day in March in Antrim3
    3 hours of sunshine per day
  • 20 days with some rainfall in March in Antrim20
    20 days with some rainfall
  • 2°C minimum night-time temperature in March in Antrim2
    2°C min night temperature
  • 81 mm monthly rainfall in March in Antrim81
    81 mm of monthly rainfall

On average 81 mm (3.2 inches) of rain normally falls in Antrim during March with rain falling on 20 days of the month. Average sea temperature around Antrim is 8°C (46°F) during March.

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Antrim weather in April

The average maximum daytime temperature in Antrim in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 5 hours of sunshine a day in Antrim during April.

  • 11°C maximum daytime temperature in April in Antrim11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Antrim5
    5 hours of sunshine per day
  • 16 days with some rainfall in April in Antrim16
    16 days with some rainfall
  • 3°C minimum night-time temperature in April in Antrim3
    3°C min night temperature
  • 66 mm monthly rainfall in April in Antrim66
    66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Antrim during April with rain falling on 16 days of the month. Average sea temperature around Antrim is 8°C (46°F) during April.

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Antrim weather in May

The average maximum daytime temperature in Antrim in May is a comfortable 14°C (57°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 Antrim during May.

  • 14°C maximum daytime temperature in May in Antrim14
    14°C max day temperature
  • 6 hours of sunshine per day in May in Antrim6
    6 hours of sunshine per day
  • 16 days with some rainfall in May in Antrim16
    16 days with some rainfall
  • 6°C minimum night-time temperature in May in Antrim6
    6°C min night temperature
  • 62 mm monthly rainfall in May in Antrim62
    62 mm of monthly rainfall

On average 62 mm (2.4 inches) of rain normally falls in Antrim during May with rain falling on 16 days of the month. Average sea temperature around Antrim is 10°C (50°F) during May.

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Antrim weather in June

The average maximum daytime temperature in Antrim in June is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 6 hours of sunshine a day in Antrim during June.

  • 16°C maximum daytime temperature in June in Antrim16
    16°C max day temperature
  • 6 hours of sunshine per day in June in Antrim6
    6 hours of sunshine per day
  • 16 days with some rainfall in June in Antrim16
    16 days with some rainfall
  • 8°C minimum night-time temperature in June in Antrim8
    8°C min night temperature
  • 67 mm monthly rainfall in June in Antrim67
    67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Antrim during June with rain falling on 16 days of the month. Average sea temperature around Antrim is 12°C (54°F) during June.

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Antrim weather in July

The average maximum daytime temperature in Antrim in July is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Antrim during July.

  • 18°C maximum daytime temperature in July in Antrim18
    18°C max day temperature
  • 5 hours of sunshine per day in July in Antrim5
    5 hours of sunshine per day
  • 18 days with some rainfall in July in Antrim18
    18 days with some rainfall
  • 11°C minimum night-time temperature in July in Antrim11
    11°C min night temperature
  • 69 mm monthly rainfall in July in Antrim69
    69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Antrim during July with rain falling on 18 days of the month. Average sea temperature around Antrim is 13°C (55°F) during July.

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Antrim weather in August

The average maximum daytime temperature in Antrim in August 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 Antrim during August.

  • 18°C maximum daytime temperature in August in Antrim18
    18°C max day temperature
  • 5 hours of sunshine per day in August in Antrim5
    5 hours of sunshine per day
  • 19 days with some rainfall in August in Antrim19
    19 days with some rainfall
  • 10°C minimum night-time temperature in August in Antrim10
    10°C min night temperature
  • 88 mm monthly rainfall in August in Antrim88
    88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Antrim during August with rain falling on 19 days of the month. Average sea temperature around Antrim is 14°C (57°F) during August.

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Antrim weather in September

The average maximum daytime temperature in Antrim in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 4 hours of sunshine a day in Antrim during September.

  • 16°C maximum daytime temperature in September in Antrim16
    16°C max day temperature
  • 4 hours of sunshine per day in September in Antrim4
    4 hours of sunshine per day
  • 19 days with some rainfall in September in Antrim19
    19 days with some rainfall
  • 8°C minimum night-time temperature in September in Antrim8
    8°C min night temperature
  • 90 mm monthly rainfall in September in Antrim90
    90 mm of monthly rainfall

On average 90 mm (3.5 inches) of rain normally falls in Antrim during September with rain falling on 19 days of the month. Average sea temperature around Antrim is 14°C (57°F) during September.

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Antrim weather in October

The average maximum daytime temperature in Antrim in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Antrim during October.

  • 12°C maximum daytime temperature in October in Antrim12
    12°C max day temperature
  • 3 hours of sunshine per day in October in Antrim3
    3 hours of sunshine per day
  • 20 days with some rainfall in October in Antrim20
    20 days with some rainfall
  • 6°C minimum night-time temperature in October in Antrim6
    6°C min night temperature
  • 104 mm monthly rainfall in October in Antrim104
    104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Antrim during October with rain falling on 20 days of the month. Average sea temperature around Antrim is 13°C (55°F) during October.

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Antrim weather in November

The average maximum daytime temperature in Antrim in November is a cool 9°C (48°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 Antrim during November.

  • 9°C maximum daytime temperature in November in Antrim9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Antrim2
    2 hours of sunshine per day
  • 20 days with some rainfall in November in Antrim20
    20 days with some rainfall
  • 3°C minimum night-time temperature in November in Antrim3
    3°C min night temperature
  • 95 mm monthly rainfall in November in Antrim95
    95 mm of monthly rainfall

On average 95 mm (3.7 inches) of rain normally falls in Antrim during November with rain falling on 20 days of the month. Average sea temperature around Antrim is 11°C (52°F) during November.

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Antrim weather in December

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

  • 7°C maximum daytime temperature in December in Antrim7
    7°C max day temperature
  • 1 hours of sunshine per day in December in Antrim1
    1 hour of sunshine per day
  • 21 days with some rainfall in December in Antrim21
    21 days with some rainfall
  • 2°C minimum night-time temperature in December in Antrim2
    2°C min night temperature
  • 101 mm monthly rainfall in December in Antrim101
    101 mm of monthly rainfall

On average 101 mm (4 inches) of rain normally falls in Antrim during December with rain falling on 21 days of the month. Average sea temperature around Antrim is 10°C (50°F) during December.

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