Larne weather

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

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Larne weather averages

Check the Larne 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 Larne, 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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Larne weather by month

Check the weather for Larne, 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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Larne weather in January

The average maximum daytime temperature in Larne in January is a cold 7°C (45°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 Larne during January.

  • 7°C maximum daytime temperature in January in Larne7
    7°C max day temperature
  • 1 hours of sunshine per day in January in Larne1
    1 hour of sunshine per day
  • 20 days with some rainfall in January in Larne20
    20 days with some rainfall
  • 3°C minimum night-time temperature in January in Larne3
    3°C min night temperature
  • 103 mm monthly rainfall in January in Larne103
    103 mm of monthly rainfall

On average 103 mm (4.1 inches) of rain normally falls in Larne during January with rain falling on 20 days of the month. Average sea temperature around Larne is 8°C (46°F) during January.

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Larne weather in February

The average maximum daytime temperature in Larne in February is a cold 7°C (45°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 Larne during February.

  • 7°C maximum daytime temperature in February in Larne7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Larne2
    2 hours of sunshine per day
  • 17 days with some rainfall in February in Larne17
    17 days with some rainfall
  • 3°C minimum night-time temperature in February in Larne3
    3°C min night temperature
  • 73 mm monthly rainfall in February in Larne73
    73 mm of monthly rainfall

On average 73 mm (2.9 inches) of rain normally falls in Larne during February with rain falling on 17 days of the month. Average sea temperature around Larne is 7°C (45°F) during February.

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Larne weather in March

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

  • 9°C maximum daytime temperature in March in Larne9
    9°C max day temperature
  • 3 hours of sunshine per day in March in Larne3
    3 hours of sunshine per day
  • 19 days with some rainfall in March in Larne19
    19 days with some rainfall
  • 3°C minimum night-time temperature in March in Larne3
    3°C min night temperature
  • 78 mm monthly rainfall in March in Larne78
    78 mm of monthly rainfall

On average 78 mm (3.1 inches) of rain normally falls in Larne during March with rain falling on 19 days of the month. Average sea temperature around Larne is 7°C (45°F) during March.

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Larne weather in April

The average maximum daytime temperature in Larne 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 Larne during April.

  • 11°C maximum daytime temperature in April in Larne11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Larne5
    5 hours of sunshine per day
  • 15 days with some rainfall in April in Larne15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Larne4
    4°C min night temperature
  • 59 mm monthly rainfall in April in Larne59
    59 mm of monthly rainfall

On average 59 mm (2.3 inches) of rain normally falls in Larne during April with rain falling on 15 days of the month. Average sea temperature around Larne is 8°C (46°F) during April.

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Larne weather in May

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

  • 14°C maximum daytime temperature in May in Larne14
    14°C max day temperature
  • 6 hours of sunshine per day in May in Larne6
    6 hours of sunshine per day
  • 15 days with some rainfall in May in Larne15
    15 days with some rainfall
  • 7°C minimum night-time temperature in May in Larne7
    7°C min night temperature
  • 55 mm monthly rainfall in May in Larne55
    55 mm of monthly rainfall

On average 55 mm (2.2 inches) of rain normally falls in Larne during May with rain falling on 15 days of the month. Average sea temperature around Larne is 10°C (50°F) during May.

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Larne weather in June

The average maximum daytime temperature in Larne in June 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 6 hours of sunshine a day in Larne during June.

  • 17°C maximum daytime temperature in June in Larne17
    17°C max day temperature
  • 6 hours of sunshine per day in June in Larne6
    6 hours of sunshine per day
  • 14 days with some rainfall in June in Larne14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Larne9
    9°C min night temperature
  • 65 mm monthly rainfall in June in Larne65
    65 mm of monthly rainfall

On average 65 mm (2.6 inches) of rain normally falls in Larne during June with rain falling on 14 days of the month. Average sea temperature around Larne is 12°C (54°F) during June.

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Larne weather in July

The average maximum daytime temperature in Larne 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 Larne during July.

  • 18°C maximum daytime temperature in July in Larne18
    18°C max day temperature
  • 5 hours of sunshine per day in July in Larne5
    5 hours of sunshine per day
  • 16 days with some rainfall in July in Larne16
    16 days with some rainfall
  • 11°C minimum night-time temperature in July in Larne11
    11°C min night temperature
  • 54 mm monthly rainfall in July in Larne54
    54 mm of monthly rainfall

On average 54 mm (2.1 inches) of rain normally falls in Larne during July with rain falling on 16 days of the month. Average sea temperature around Larne is 14°C (57°F) during July.

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Larne weather in August

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

  • 18°C maximum daytime temperature in August in Larne18
    18°C max day temperature
  • 5 hours of sunshine per day in August in Larne5
    5 hours of sunshine per day
  • 17 days with some rainfall in August in Larne17
    17 days with some rainfall
  • 11°C minimum night-time temperature in August in Larne11
    11°C min night temperature
  • 81 mm monthly rainfall in August in Larne81
    81 mm of monthly rainfall

On average 81 mm (3.2 inches) of rain normally falls in Larne during August with rain falling on 17 days of the month. Average sea temperature around Larne is 15°C (59°F) during August.

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Larne weather in September

The average maximum daytime temperature in Larne in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Larne during September.

  • 16°C maximum daytime temperature in September in Larne16
    16°C max day temperature
  • 4 hours of sunshine per day in September in Larne4
    4 hours of sunshine per day
  • 17 days with some rainfall in September in Larne17
    17 days with some rainfall
  • 9°C minimum night-time temperature in September in Larne9
    9°C min night temperature
  • 84 mm monthly rainfall in September in Larne84
    84 mm of monthly rainfall

On average 84 mm (3.3 inches) of rain normally falls in Larne during September with rain falling on 17 days of the month. Average sea temperature around Larne is 14°C (57°F) during September.

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Larne weather in October

The average maximum daytime temperature in Larne 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 Larne during October.

  • 13°C maximum daytime temperature in October in Larne13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Larne3
    3 hours of sunshine per day
  • 19 days with some rainfall in October in Larne19
    19 days with some rainfall
  • 7°C minimum night-time temperature in October in Larne7
    7°C min night temperature
  • 99 mm monthly rainfall in October in Larne99
    99 mm of monthly rainfall

On average 99 mm (3.9 inches) of rain normally falls in Larne during October with rain falling on 19 days of the month. Average sea temperature around Larne is 13°C (55°F) during October.

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Larne weather in November

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

  • 9°C maximum daytime temperature in November in Larne9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Larne2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Larne19
    19 days with some rainfall
  • 5°C minimum night-time temperature in November in Larne5
    5°C min night temperature
  • 92 mm monthly rainfall in November in Larne92
    92 mm of monthly rainfall

On average 92 mm (3.6 inches) of rain normally falls in Larne during November with rain falling on 19 days of the month. Average sea temperature around Larne is 12°C (54°F) during November.

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Larne weather in December

The average maximum daytime temperature in Larne 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 Larne during December.

  • 8°C maximum daytime temperature in December in Larne8
    8°C max day temperature
  • 1 hours of sunshine per day in December in Larne1
    1 hour of sunshine per day
  • 20 days with some rainfall in December in Larne20
    20 days with some rainfall
  • 3°C minimum night-time temperature in December in Larne3
    3°C min night temperature
  • 94 mm monthly rainfall in December in Larne94
    94 mm of monthly rainfall

On average 94 mm (3.7 inches) of rain normally falls in Larne during December with rain falling on 20 days of the month. Average sea temperature around Larne is 10°C (50°F) during December.

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