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 (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
45°F maximum daytime temperature in January in Coleraine45
45°F maximum daytime temperature in February in Coleraine45
48°F maximum daytime temperature in March in Coleraine48
52°F maximum daytime temperature in April in Coleraine52
57°F maximum daytime temperature in May in Coleraine57
63°F maximum daytime temperature in June in Coleraine63
64°F maximum daytime temperature in July in Coleraine64
64°F maximum daytime temperature in August in Coleraine64
61°F maximum daytime temperature in September in Coleraine61
55°F maximum daytime temperature in October in Coleraine55
48°F maximum daytime temperature in November in Coleraine48
46°F maximum daytime temperature in December in Coleraine46
Min temperature (night-time)
34°F minimum night-time temperature in January in Coleraine34
34°F minimum night-time temperature in February in Coleraine34
36°F minimum night-time temperature in March in Coleraine36
39°F minimum night-time temperature in April in Coleraine39
43°F minimum night-time temperature in May in Coleraine43
46°F minimum night-time temperature in June in Coleraine46
50°F minimum night-time temperature in July in Coleraine50
50°F minimum night-time temperature in August in Coleraine50
48°F minimum night-time temperature in September in Coleraine48
45°F minimum night-time temperature in October in Coleraine45
37°F minimum night-time temperature in November in Coleraine37
36°F minimum night-time temperature in December in Coleraine36
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 (inches)
4.3 inches monthly rainfall in January in Coleraine4.3
2.9 inches monthly rainfall in February in Coleraine2.9
3.3 inches monthly rainfall in March in Coleraine3.3
2.4 inches monthly rainfall in April in Coleraine2.4
2.6 inches monthly rainfall in May in Coleraine2.6
2.6 inches monthly rainfall in June in Coleraine2.6
2.8 inches monthly rainfall in July in Coleraine2.8
3.3 inches monthly rainfall in August in Coleraine3.3
3.8 inches monthly rainfall in September in Coleraine3.8
4.4 inches monthly rainfall in October in Coleraine4.4
4.1 inches monthly rainfall in November in Coleraine4.1
4.0 inches monthly rainfall in December in Coleraine4.0

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 45°F 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 4.3 inches of rainfall in the month.

  • 45°F maximum daytime temperature in January in Coleraine45
    45°F max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in January in Coleraine22
    22 days with some rainfall
  • 34°F minimum night-time temperature in January in Coleraine34
    34°F 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
  • 4.3 inches monthly rainfall in January in Coleraine4.3
    4.3 inches 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 45°F 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 2.9 inches of rainfall in the month.

  • 45°F maximum daytime temperature in February in Coleraine45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in February in Coleraine17
    17 days with some rainfall
  • 34°F minimum night-time temperature in February in Coleraine34
    34°F 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
  • 2.9 inches monthly rainfall in February in Coleraine2.9
    2.9 inches 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 48°F 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 3.3 inches of rainfall in the month.

  • 48°F maximum daytime temperature in March in Coleraine48
    48°F max day temperature
  • 3 hours of sunshine per day
  • 20 days with some rainfall in March in Coleraine20
    20 days with some rainfall
  • 36°F minimum night-time temperature in March in Coleraine36
    36°F 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
  • 3.3 inches monthly rainfall in March in Coleraine3.3
    3.3 inches 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 52°F 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 2.4 inches of rainfall in the month.

  • 52°F maximum daytime temperature in April in Coleraine52
    52°F max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in April in Coleraine16
    16 days with some rainfall
  • 39°F minimum night-time temperature in April in Coleraine39
    39°F 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
  • 2.4 inches monthly rainfall in April in Coleraine2.4
    2.4 inches 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 57°F 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 2.6 inches of rainfall in the month.

  • 57°F maximum daytime temperature in May in Coleraine57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Coleraine17
    17 days with some rainfall
  • 43°F minimum night-time temperature in May in Coleraine43
    43°F 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
  • 2.6 inches monthly rainfall in May in Coleraine2.6
    2.6 inches 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 63°F 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 2.6 inches of rainfall in the month.

  • 63°F maximum daytime temperature in June in Coleraine63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in June in Coleraine16
    16 days with some rainfall
  • 46°F minimum night-time temperature in June in Coleraine46
    46°F 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
  • 2.6 inches monthly rainfall in June in Coleraine2.6
    2.6 inches 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 64°F 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 2.8 inches of rainfall in the month.

  • 64°F maximum daytime temperature in July in Coleraine64
    64°F max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in July in Coleraine18
    18 days with some rainfall
  • 50°F minimum night-time temperature in July in Coleraine50
    50°F 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
  • 2.8 inches monthly rainfall in July in Coleraine2.8
    2.8 inches 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 64°F 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 3.3 inches of rainfall in the month.

  • 64°F maximum daytime temperature in August in Coleraine64
    64°F max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in August in Coleraine19
    19 days with some rainfall
  • 50°F minimum night-time temperature in August in Coleraine50
    50°F 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
  • 3.3 inches monthly rainfall in August in Coleraine3.3
    3.3 inches 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 61°F 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 3.8 inches of rainfall in the month.

  • 61°F maximum daytime temperature in September in Coleraine61
    61°F max day temperature
  • 3 hours of sunshine per day
  • 20 days with some rainfall in September in Coleraine20
    20 days with some rainfall
  • 48°F minimum night-time temperature in September in Coleraine48
    48°F 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
  • 3.8 inches monthly rainfall in September in Coleraine3.8
    3.8 inches 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 55°F 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 4.4 inches of rainfall in the month.

  • 55°F maximum daytime temperature in October in Coleraine55
    55°F max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in October in Coleraine22
    22 days with some rainfall
  • 45°F minimum night-time temperature in October in Coleraine45
    45°F 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
  • 4.4 inches monthly rainfall in October in Coleraine4.4
    4.4 inches 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 48°F 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 4.1 inches of rainfall in the month.

  • 48°F maximum daytime temperature in November in Coleraine48
    48°F max day temperature
  • 2 hours of sunshine per day
  • 21 days with some rainfall in November in Coleraine21
    21 days with some rainfall
  • 37°F minimum night-time temperature in November in Coleraine37
    37°F 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
  • 4.1 inches monthly rainfall in November in Coleraine4.1
    4.1 inches 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 46°F 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 4.0 inches of rainfall in the month.

  • 46°F maximum daytime temperature in December in Coleraine46
    46°F max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in December in Coleraine22
    22 days with some rainfall
  • 36°F minimum night-time temperature in December in Coleraine36
    36°F 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
  • 4.0 inches monthly rainfall in December in Coleraine4.0
    4.0 inches 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)  |  Imperial (°F)

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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 (°F)

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

Metric (°C)  |  Imperial (°F)

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