Coleraine weather

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

Coleraine weather averages

Check the Coleraine 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 Coleraine, 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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Coleraine weather by month

Check the weather for Coleraine, 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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Coleraine weather in January

The average maximum daytime temperature in Coleraine 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 Coleraine during January.

  • 7°C maximum daytime temperature in January in Coleraine7
    7°C max day temperature
  • 1 hours of sunshine per day in January in Coleraine1
    1 hour of sunshine per day
  • 23 days with some rainfall in January in Coleraine23
    23 days with some rainfall
  • 2°C minimum night-time temperature in January in Coleraine2
    2°C min night temperature
  • 124 mm monthly rainfall in January in Coleraine124
    124 mm of monthly rainfall

On average 124 mm (4.9 inches) of rain normally falls in Coleraine during January with rain falling on 23 days of the month. Average sea temperature around Coleraine is 8°C (46°F) during January.

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Coleraine weather in February

The average maximum daytime temperature in Coleraine in February is a cool 8°C (46°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 Coleraine during February.

  • 8°C maximum daytime temperature in February in Coleraine8
    8°C max day temperature
  • 2 hours of sunshine per day in February in Coleraine2
    2 hours of sunshine per day
  • 19 days with some rainfall in February in Coleraine19
    19 days with some rainfall
  • 2°C minimum night-time temperature in February in Coleraine2
    2°C min night temperature
  • 88 mm monthly rainfall in February in Coleraine88
    88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Coleraine during February with rain falling on 19 days of the month. Average sea temperature around Coleraine is 8°C (46°F) during February.

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Coleraine weather in March

The average maximum daytime temperature in Coleraine 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 Coleraine during March.

  • 9°C maximum daytime temperature in March in Coleraine9
    9°C max day temperature
  • 3 hours of sunshine per day in March in Coleraine3
    3 hours of sunshine per day
  • 20 days with some rainfall in March in Coleraine20
    20 days with some rainfall
  • 3°C minimum night-time temperature in March in Coleraine3
    3°C min night temperature
  • 94 mm monthly rainfall in March in Coleraine94
    94 mm of monthly rainfall

On average 94 mm (3.7 inches) of rain normally falls in Coleraine during March with rain falling on 20 days of the month. Average sea temperature around Coleraine is 8°C (46°F) during March.

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Coleraine weather in April

The average maximum daytime temperature in Coleraine 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 Coleraine during April.

  • 11°C maximum daytime temperature in April in Coleraine11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Coleraine5
    5 hours of sunshine per day
  • 17 days with some rainfall in April in Coleraine17
    17 days with some rainfall
  • 4°C minimum night-time temperature in April in Coleraine4
    4°C min night temperature
  • 66 mm monthly rainfall in April in Coleraine66
    66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Coleraine during April with rain falling on 17 days of the month. Average sea temperature around Coleraine is 8°C (46°F) during April.

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Coleraine weather in May

The average maximum daytime temperature in Coleraine 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 Coleraine during May.

  • 14°C maximum daytime temperature in May in Coleraine14
    14°C max day temperature
  • 6 hours of sunshine per day in May in Coleraine6
    6 hours of sunshine per day
  • 16 days with some rainfall in May in Coleraine16
    16 days with some rainfall
  • 6°C minimum night-time temperature in May in Coleraine6
    6°C min night temperature
  • 58 mm monthly rainfall in May in Coleraine58
    58 mm of monthly rainfall

On average 58 mm (2.3 inches) of rain normally falls in Coleraine during May with rain falling on 16 days of the month. Average sea temperature around Coleraine is 10°C (50°F) during May.

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Coleraine weather in June

The average maximum daytime temperature in Coleraine in June 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 5 hours of sunshine a day in Coleraine during June.

  • 16°C maximum daytime temperature in June in Coleraine16
    16°C max day temperature
  • 5 hours of sunshine per day in June in Coleraine5
    5 hours of sunshine per day
  • 16 days with some rainfall in June in Coleraine16
    16 days with some rainfall
  • 9°C minimum night-time temperature in June in Coleraine9
    9°C min night temperature
  • 68 mm monthly rainfall in June in Coleraine68
    68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Coleraine during June with rain falling on 16 days of the month. Average sea temperature around Coleraine is 12°C (54°F) during June.

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Coleraine weather in July

The average maximum daytime temperature in Coleraine 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 Coleraine during July.

  • 17°C maximum daytime temperature in July in Coleraine17
    17°C max day temperature
  • 4 hours of sunshine per day in July in Coleraine4
    4 hours of sunshine per day
  • 18 days with some rainfall in July in Coleraine18
    18 days with some rainfall
  • 11°C minimum night-time temperature in July in Coleraine11
    11°C min night temperature
  • 76 mm monthly rainfall in July in Coleraine76
    76 mm of monthly rainfall

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

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Coleraine weather in August

The average maximum daytime temperature in Coleraine 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 4 hours of sunshine a day in Coleraine during August.

  • 18°C maximum daytime temperature in August in Coleraine18
    18°C max day temperature
  • 4 hours of sunshine per day in August in Coleraine4
    4 hours of sunshine per day
  • 19 days with some rainfall in August in Coleraine19
    19 days with some rainfall
  • 11°C minimum night-time temperature in August in Coleraine11
    11°C min night temperature
  • 86 mm monthly rainfall in August in Coleraine86
    86 mm of monthly rainfall

On average 86 mm (3.4 inches) of rain normally falls in Coleraine during August with rain falling on 19 days of the month. Average sea temperature around Coleraine is 14°C (57°F) during August.

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Coleraine weather in September

The average maximum daytime temperature in Coleraine 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 3 hours of sunshine a day in Coleraine during September.

  • 16°C maximum daytime temperature in September in Coleraine16
    16°C max day temperature
  • 3 hours of sunshine per day in September in Coleraine3
    3 hours of sunshine per day
  • 21 days with some rainfall in September in Coleraine21
    21 days with some rainfall
  • 9°C minimum night-time temperature in September in Coleraine9
    9°C min night temperature
  • 98 mm monthly rainfall in September in Coleraine98
    98 mm of monthly rainfall

On average 98 mm (3.9 inches) of rain normally falls in Coleraine during September with rain falling on 21 days of the month. Average sea temperature around Coleraine is 14°C (57°F) during September.

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Coleraine weather in October

The average maximum daytime temperature in Coleraine 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 Coleraine during October.

  • 13°C maximum daytime temperature in October in Coleraine13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Coleraine3
    3 hours of sunshine per day
  • 22 days with some rainfall in October in Coleraine22
    22 days with some rainfall
  • 7°C minimum night-time temperature in October in Coleraine7
    7°C min night temperature
  • 118 mm monthly rainfall in October in Coleraine118
    118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Coleraine during October with rain falling on 22 days of the month. Average sea temperature around Coleraine is 13°C (55°F) during October.

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Coleraine weather in November

The average maximum daytime temperature in Coleraine in November 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 2 hours of sunshine a day in Coleraine during November.

  • 10°C maximum daytime temperature in November in Coleraine10
    10°C max day temperature
  • 2 hours of sunshine per day in November in Coleraine2
    2 hours of sunshine per day
  • 22 days with some rainfall in November in Coleraine22
    22 days with some rainfall
  • 4°C minimum night-time temperature in November in Coleraine4
    4°C min night temperature
  • 115 mm monthly rainfall in November in Coleraine115
    115 mm of monthly rainfall

On average 115 mm (4.5 inches) of rain normally falls in Coleraine during November with rain falling on 22 days of the month. Average sea temperature around Coleraine is 11°C (52°F) during November.

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Coleraine weather in December

The average maximum daytime temperature in Coleraine 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 Coleraine during December.

  • 8°C maximum daytime temperature in December in Coleraine8
    8°C max day temperature
  • 1 hours of sunshine per day in December in Coleraine1
    1 hour of sunshine per day
  • 23 days with some rainfall in December in Coleraine23
    23 days with some rainfall
  • 3°C minimum night-time temperature in December in Coleraine3
    3°C min night temperature
  • 116 mm monthly rainfall in December in Coleraine116
    116 mm of monthly rainfall

On average 116 mm (4.6 inches) of rain normally falls in Coleraine during December with rain falling on 23 days of the month. Average sea temperature around Coleraine is 10°C (50°F) during December.

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