Coleraine weather by month

Check out Coleraine weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Coleraine (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Coleraine7
7°C maximum daytime temperature in February in Coleraine7
9°C maximum daytime temperature in March in Coleraine9
11°C maximum daytime temperature in April in Coleraine11
14°C maximum daytime temperature in May in Coleraine14
17°C maximum daytime temperature in June in Coleraine17
18°C maximum daytime temperature in July in Coleraine18
18°C maximum daytime temperature in August in Coleraine18
16°C maximum daytime temperature in September in Coleraine16
13°C maximum daytime temperature in October in Coleraine13
9°C maximum daytime temperature in November in Coleraine9
8°C maximum daytime temperature in December in Coleraine8
Min temperature (night-time)
1°C minimum night-time temperature in January in Coleraine1
1°C minimum night-time temperature in February in Coleraine1
2°C minimum night-time temperature in March in Coleraine2
4°C minimum night-time temperature in April in Coleraine4
6°C minimum night-time temperature in May in Coleraine6
8°C minimum night-time temperature in June in Coleraine8
10°C minimum night-time temperature in July in Coleraine10
10°C minimum night-time temperature in August in Coleraine10
9°C minimum night-time temperature in September in Coleraine9
7°C minimum night-time temperature in October in Coleraine7
3°C minimum night-time temperature in November in Coleraine3
2°C minimum night-time temperature in December in Coleraine2
Heat & Humidity
No heat & humidity in January in Coleraine0
No heat & humidity in February in Coleraine0
No heat & humidity in March in Coleraine0
No heat & humidity in April in Coleraine0
No heat & humidity in May in Coleraine0
No heat & humidity in June in Coleraine0
No heat & humidity in July in Coleraine0
No heat & humidity in August in Coleraine0
No heat & humidity in September in Coleraine0
No heat & humidity in October in Coleraine0
No heat & humidity in November in Coleraine0
No heat & humidity in December in Coleraine0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Coleraine

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Coleraine8
10 hours of daylight per day in February in Coleraine10
12 hours of daylight per day in March in Coleraine12
14 hours of daylight per day in April in Coleraine14
16 hours of daylight per day in May in Coleraine16
17 hours of daylight per day in June in Coleraine17
17 hours of daylight per day in July in Coleraine17
15 hours of daylight per day in August in Coleraine15
13 hours of daylight per day in September in Coleraine13
10 hours of daylight per day in October in Coleraine10
8 hours of daylight per day in November in Coleraine8
7 hours of daylight per day in December in Coleraine7
UV Index (Maximum)
No UV (maximum) index in January in Coleraine0
UV (maximum) index 1 (Low) in February in Coleraine1
UV (maximum) index 2 (Low) in March in Coleraine2
UV (maximum) index 3 (Moderate) in April in Coleraine3
UV (maximum) index 5 (Moderate) in May in Coleraine5
UV (maximum) index 5 (Moderate) in June in Coleraine5
UV (maximum) index 6 (High) in July in Coleraine6
UV (maximum) index 5 (Moderate) in August in Coleraine5
UV (maximum) index 3 (Moderate) in September in Coleraine3
UV (maximum) index 2 (Low) in October in Coleraine2
UV (maximum) index 1 (Low) in November in Coleraine1
No UV (maximum) index in December in Coleraine0

Rainfall in Coleraine

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
22 days with some rainfall in January in Coleraine22
17 days with some rainfall in February in Coleraine17
20 days with some rainfall in March in Coleraine20
16 days with some rainfall in April in Coleraine16
17 days with some rainfall in May in Coleraine17
16 days with some rainfall in June in Coleraine16
18 days with some rainfall in July in Coleraine18
19 days with some rainfall in August in Coleraine19
20 days with some rainfall in September in Coleraine20
22 days with some rainfall in October in Coleraine22
21 days with some rainfall in November in Coleraine21
22 days with some rainfall in December in Coleraine22
Average monthly rainfall (mm)
109 mm monthly rainfall in January in Coleraine109
74 mm monthly rainfall in February in Coleraine74
84 mm monthly rainfall in March in Coleraine84
60 mm monthly rainfall in April in Coleraine60
66 mm monthly rainfall in May in Coleraine66
65 mm monthly rainfall in June in Coleraine65
70 mm monthly rainfall in July in Coleraine70
85 mm monthly rainfall in August in Coleraine85
97 mm monthly rainfall in September in Coleraine97
113 mm monthly rainfall in October in Coleraine113
104 mm monthly rainfall in November in Coleraine104
101 mm monthly rainfall in December in Coleraine101

More about Coleraine

Coleraine by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Northern Ireland (Coleraine) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Coleraine?

Coleraine has a temperate climate with warm summers and some rainfall in all months.

Coleraine weather in January

Expect daytime maximum temperatures of 7°C in Coleraine, Northern Ireland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 22 days with some rainfall and typically 109 mm of rainfall in the month.

  • 7°C maximum daytime temperature in January in Coleraine7
    7°C max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in January in Coleraine22
    22 days with some rainfall
  • 1°C minimum night-time temperature in January in Coleraine1
    1°C min night temperature
  • 8 hours of daylight per day in January in Coleraine8
    8 hours of daylight per day
  • No heat & humidity in January in Coleraine0
    No heat & humidity
  • 109 mm monthly rainfall in January in Coleraine109
    109 mm of monthly rainfall
  • No UV (maximum) index in January in Coleraine0
    No UV (Maximum) Index UV index

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Coleraine weather in February

Expect daytime maximum temperatures of 7°C in Coleraine, Northern Ireland in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 74 mm of rainfall in the month.

  • 7°C maximum daytime temperature in February in Coleraine7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in February in Coleraine17
    17 days with some rainfall
  • 1°C minimum night-time temperature in February in Coleraine1
    1°C min night temperature
  • 10 hours of daylight per day in February in Coleraine10
    10 hours of daylight per day
  • No heat & humidity in February in Coleraine0
    No heat & humidity
  • 74 mm monthly rainfall in February in Coleraine74
    74 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Coleraine1
    1 (Low) UV index

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Coleraine weather in March

Expect daytime maximum temperatures of 9°C in Coleraine, Northern Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 20 days with some rainfall and typically 84 mm of rainfall in the month.

  • 9°C maximum daytime temperature in March in Coleraine9
    9°C max day temperature
  • 3 hours of sunshine per day
  • 20 days with some rainfall in March in Coleraine20
    20 days with some rainfall
  • 2°C minimum night-time temperature in March in Coleraine2
    2°C min night temperature
  • 12 hours of daylight per day in March in Coleraine12
    12 hours of daylight per day
  • No heat & humidity in March in Coleraine0
    No heat & humidity
  • 84 mm monthly rainfall in March in Coleraine84
    84 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Coleraine2
    2 (Low) UV index

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Coleraine weather in April

Expect daytime maximum temperatures of 11°C in Coleraine, Northern Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 60 mm of rainfall in the month.

  • 11°C maximum daytime temperature in April in Coleraine11
    11°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in April in Coleraine16
    16 days with some rainfall
  • 4°C minimum night-time temperature in April in Coleraine4
    4°C min night temperature
  • 14 hours of daylight per day in April in Coleraine14
    14 hours of daylight per day
  • No heat & humidity in April in Coleraine0
    No heat & humidity
  • 60 mm monthly rainfall in April in Coleraine60
    60 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in April in Coleraine3
    3 (Moderate) UV index

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Coleraine weather in May

Expect daytime maximum temperatures of 14°C in Coleraine, Northern Ireland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 66 mm of rainfall in the month.

  • 14°C maximum daytime temperature in May in Coleraine14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Coleraine17
    17 days with some rainfall
  • 6°C minimum night-time temperature in May in Coleraine6
    6°C min night temperature
  • 16 hours of daylight per day in May in Coleraine16
    16 hours of daylight per day
  • No heat & humidity in May in Coleraine0
    No heat & humidity
  • 66 mm monthly rainfall in May in Coleraine66
    66 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Coleraine5
    5 (Moderate) UV index

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Coleraine weather in June

Expect daytime maximum temperatures of 17°C in Coleraine, Northern Ireland in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 65 mm of rainfall in the month.

  • 17°C maximum daytime temperature in June in Coleraine17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in June in Coleraine16
    16 days with some rainfall
  • 8°C minimum night-time temperature in June in Coleraine8
    8°C min night temperature
  • 17 hours of daylight per day in June in Coleraine17
    17 hours of daylight per day
  • No heat & humidity in June in Coleraine0
    No heat & humidity
  • 65 mm monthly rainfall in June in Coleraine65
    65 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in June in Coleraine5
    5 (Moderate) UV index

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Coleraine weather in July

Expect daytime maximum temperatures of 18°C in Coleraine, Northern Ireland in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 70 mm of rainfall in the month.

  • 18°C maximum daytime temperature in July in Coleraine18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in July in Coleraine18
    18 days with some rainfall
  • 10°C minimum night-time temperature in July in Coleraine10
    10°C min night temperature
  • 17 hours of daylight per day in July in Coleraine17
    17 hours of daylight per day
  • No heat & humidity in July in Coleraine0
    No heat & humidity
  • 70 mm monthly rainfall in July in Coleraine70
    70 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Coleraine6
    6 (High) UV index

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Coleraine weather in August

Expect daytime maximum temperatures of 18°C in Coleraine, Northern Ireland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 85 mm of rainfall in the month.

  • 18°C maximum daytime temperature in August in Coleraine18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in August in Coleraine19
    19 days with some rainfall
  • 10°C minimum night-time temperature in August in Coleraine10
    10°C min night temperature
  • 15 hours of daylight per day in August in Coleraine15
    15 hours of daylight per day
  • No heat & humidity in August in Coleraine0
    No heat & humidity
  • 85 mm monthly rainfall in August in Coleraine85
    85 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Coleraine5
    5 (Moderate) UV index

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Coleraine weather in September

Expect daytime maximum temperatures of 16°C in Coleraine, Northern Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 20 days with some rainfall and typically 97 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Coleraine16
    16°C max day temperature
  • 3 hours of sunshine per day
  • 20 days with some rainfall in September in Coleraine20
    20 days with some rainfall
  • 9°C minimum night-time temperature in September in Coleraine9
    9°C min night temperature
  • 13 hours of daylight per day in September in Coleraine13
    13 hours of daylight per day
  • No heat & humidity in September in Coleraine0
    No heat & humidity
  • 97 mm monthly rainfall in September in Coleraine97
    97 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Coleraine3
    3 (Moderate) UV index

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Coleraine weather in October

Expect daytime maximum temperatures of 13°C in Coleraine, Northern Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 113 mm of rainfall in the month.

  • 13°C maximum daytime temperature in October in Coleraine13
    13°C max day temperature
  • 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
  • 10 hours of daylight per day in October in Coleraine10
    10 hours of daylight per day
  • No heat & humidity in October in Coleraine0
    No heat & humidity
  • 113 mm monthly rainfall in October in Coleraine113
    113 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Coleraine2
    2 (Low) UV index

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Coleraine weather in November

Expect daytime maximum temperatures of 9°C in Coleraine, Northern Ireland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 21 days with some rainfall and typically 104 mm of rainfall in the month.

  • 9°C maximum daytime temperature in November in Coleraine9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 21 days with some rainfall in November in Coleraine21
    21 days with some rainfall
  • 3°C minimum night-time temperature in November in Coleraine3
    3°C min night temperature
  • 8 hours of daylight per day in November in Coleraine8
    8 hours of daylight per day
  • No heat & humidity in November in Coleraine0
    No heat & humidity
  • 104 mm monthly rainfall in November in Coleraine104
    104 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Coleraine1
    1 (Low) UV index

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Coleraine weather in December

Expect daytime maximum temperatures of 8°C in Coleraine, Northern Ireland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 22 days with some rainfall and typically 101 mm of rainfall in the month.

  • 8°C maximum daytime temperature in December in Coleraine8
    8°C max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in December in Coleraine22
    22 days with some rainfall
  • 2°C minimum night-time temperature in December in Coleraine2
    2°C min night temperature
  • 7 hours of daylight per day in December in Coleraine7
    7 hours of daylight per day
  • No heat & humidity in December in Coleraine0
    No heat & humidity
  • 101 mm monthly rainfall in December in Coleraine101
    101 mm of monthly rainfall
  • No UV (maximum) index in December in Coleraine0
    No UV (Maximum) Index UV index

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More about Coleraine

Coleraine by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

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  • Travel before 31st December 2026 (inclusive)

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The climate guide for Northern Ireland (Coleraine) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the UK

Compare Coleraine with the UK

Below the Coleraine chart shows average maximum daytime temperature for Coleraine, Coleraine, Northern Ireland and the UK (London).

Maximum daytime temperature (°C)

Coleraine, Coleraine, Northern Ireland
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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