Colwyn Bay weather

The Colwyn Bay weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Colwyn Bay, Aberconwy and Colwyn, Wales in 2022/2023.

Colwyn Bay weather averages

Check the Colwyn Bay 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 Colwyn Bay, Aberconwy and Colwyn, Wales.

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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Colwyn Bay weather by month

Check the weather for Colwyn Bay, Aberconwy and Colwyn, Wales 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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Colwyn Bay weather in January

The average maximum daytime temperature in Colwyn Bay 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 2 hours of sunshine a day in Colwyn Bay during January.

  • 7°C maximum daytime temperature in January in Colwyn Bay7
    7°C max day temperature
  • 2 hours of sunshine per day in January in Colwyn Bay2
    2 hours of sunshine per day
  • 21 days with some rainfall in January in Colwyn Bay21
    21 days with some rainfall
  • 2°C minimum night-time temperature in January in Colwyn Bay2
    2°C min night temperature
  • 148 mm monthly rainfall in January in Colwyn Bay148
    148 mm of monthly rainfall

On average 148 mm (5.8 inches) of rain normally falls in Colwyn Bay during January with rain falling on 21 days of the month.

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Colwyn Bay weather in February

The average maximum daytime temperature in Colwyn Bay in February 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 2 hours of sunshine a day in Colwyn Bay during February.

  • 7°C maximum daytime temperature in February in Colwyn Bay7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Colwyn Bay2
    2 hours of sunshine per day
  • 18 days with some rainfall in February in Colwyn Bay18
    18 days with some rainfall
  • 2°C minimum night-time temperature in February in Colwyn Bay2
    2°C min night temperature
  • 109 mm monthly rainfall in February in Colwyn Bay109
    109 mm of monthly rainfall

On average 109 mm (4.3 inches) of rain normally falls in Colwyn Bay during February with rain falling on 18 days of the month.

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Colwyn Bay weather in March

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

  • 8°C maximum daytime temperature in March in Colwyn Bay8
    8°C max day temperature
  • 3 hours of sunshine per day in March in Colwyn Bay3
    3 hours of sunshine per day
  • 19 days with some rainfall in March in Colwyn Bay19
    19 days with some rainfall
  • 3°C minimum night-time temperature in March in Colwyn Bay3
    3°C min night temperature
  • 119 mm monthly rainfall in March in Colwyn Bay119
    119 mm of monthly rainfall

On average 119 mm (4.7 inches) of rain normally falls in Colwyn Bay during March with rain falling on 19 days of the month.

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Colwyn Bay weather in April

The average maximum daytime temperature in Colwyn Bay 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 Colwyn Bay during April.

  • 11°C maximum daytime temperature in April in Colwyn Bay11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Colwyn Bay5
    5 hours of sunshine per day
  • 16 days with some rainfall in April in Colwyn Bay16
    16 days with some rainfall
  • 4°C minimum night-time temperature in April in Colwyn Bay4
    4°C min night temperature
  • 80 mm monthly rainfall in April in Colwyn Bay80
    80 mm of monthly rainfall

On average 80 mm (3.1 inches) of rain normally falls in Colwyn Bay during April with rain falling on 16 days of the month.

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Colwyn Bay weather in May

The average maximum daytime temperature in Colwyn Bay 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 Colwyn Bay during May.

  • 14°C maximum daytime temperature in May in Colwyn Bay14
    14°C max day temperature
  • 6 hours of sunshine per day in May in Colwyn Bay6
    6 hours of sunshine per day
  • 15 days with some rainfall in May in Colwyn Bay15
    15 days with some rainfall
  • 6°C minimum night-time temperature in May in Colwyn Bay6
    6°C min night temperature
  • 75 mm monthly rainfall in May in Colwyn Bay75
    75 mm of monthly rainfall

On average 75 mm (3 inches) of rain normally falls in Colwyn Bay during May with rain falling on 15 days of the month.

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Colwyn Bay weather in June

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

  • 16°C maximum daytime temperature in June in Colwyn Bay16
    16°C max day temperature
  • 6 hours of sunshine per day in June in Colwyn Bay6
    6 hours of sunshine per day
  • 15 days with some rainfall in June in Colwyn Bay15
    15 days with some rainfall
  • 9°C minimum night-time temperature in June in Colwyn Bay9
    9°C min night temperature
  • 76 mm monthly rainfall in June in Colwyn Bay76
    76 mm of monthly rainfall

On average 76 mm (3 inches) of rain normally falls in Colwyn Bay during June with rain falling on 15 days of the month.

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Colwyn Bay weather in July

The average maximum daytime temperature in Colwyn Bay 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 6 hours of sunshine a day in Colwyn Bay during July.

  • 18°C maximum daytime temperature in July in Colwyn Bay18
    18°C max day temperature
  • 6 hours of sunshine per day in July in Colwyn Bay6
    6 hours of sunshine per day
  • 14 days with some rainfall in July in Colwyn Bay14
    14 days with some rainfall
  • 11°C minimum night-time temperature in July in Colwyn Bay11
    11°C min night temperature
  • 67 mm monthly rainfall in July in Colwyn Bay67
    67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Colwyn Bay during July with rain falling on 14 days of the month.

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Colwyn Bay weather in August

The average maximum daytime temperature in Colwyn Bay 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 Colwyn Bay during August.

  • 18°C maximum daytime temperature in August in Colwyn Bay18
    18°C max day temperature
  • 5 hours of sunshine per day in August in Colwyn Bay5
    5 hours of sunshine per day
  • 16 days with some rainfall in August in Colwyn Bay16
    16 days with some rainfall
  • 11°C minimum night-time temperature in August in Colwyn Bay11
    11°C min night temperature
  • 88 mm monthly rainfall in August in Colwyn Bay88
    88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Colwyn Bay during August with rain falling on 16 days of the month.

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Colwyn Bay weather in September

The average maximum daytime temperature in Colwyn Bay 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 Colwyn Bay during September.

  • 16°C maximum daytime temperature in September in Colwyn Bay16
    16°C max day temperature
  • 4 hours of sunshine per day in September in Colwyn Bay4
    4 hours of sunshine per day
  • 16 days with some rainfall in September in Colwyn Bay16
    16 days with some rainfall
  • 9°C minimum night-time temperature in September in Colwyn Bay9
    9°C min night temperature
  • 123 mm monthly rainfall in September in Colwyn Bay123
    123 mm of monthly rainfall

On average 123 mm (4.8 inches) of rain normally falls in Colwyn Bay during September with rain falling on 16 days of the month.

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Colwyn Bay weather in October

The average maximum daytime temperature in Colwyn Bay 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 Colwyn Bay during October.

  • 13°C maximum daytime temperature in October in Colwyn Bay13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Colwyn Bay3
    3 hours of sunshine per day
  • 20 days with some rainfall in October in Colwyn Bay20
    20 days with some rainfall
  • 7°C minimum night-time temperature in October in Colwyn Bay7
    7°C min night temperature
  • 145 mm monthly rainfall in October in Colwyn Bay145
    145 mm of monthly rainfall

On average 145 mm (5.7 inches) of rain normally falls in Colwyn Bay during October with rain falling on 20 days of the month.

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Colwyn Bay weather in November

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

  • 9°C maximum daytime temperature in November in Colwyn Bay9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Colwyn Bay2
    2 hours of sunshine per day
  • 21 days with some rainfall in November in Colwyn Bay21
    21 days with some rainfall
  • 4°C minimum night-time temperature in November in Colwyn Bay4
    4°C min night temperature
  • 162 mm monthly rainfall in November in Colwyn Bay162
    162 mm of monthly rainfall

On average 162 mm (6.4 inches) of rain normally falls in Colwyn Bay during November with rain falling on 21 days of the month.

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Colwyn Bay weather in December

The average maximum daytime temperature in Colwyn Bay 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 Colwyn Bay during December.

  • 8°C maximum daytime temperature in December in Colwyn Bay8
    8°C max day temperature
  • 1 hours of sunshine per day in December in Colwyn Bay1
    1 hour of sunshine per day
  • 21 days with some rainfall in December in Colwyn Bay21
    21 days with some rainfall
  • 3°C minimum night-time temperature in December in Colwyn Bay3
    3°C min night temperature
  • 160 mm monthly rainfall in December in Colwyn Bay160
    160 mm of monthly rainfall

On average 160 mm (6.3 inches) of rain normally falls in Colwyn Bay during December with rain falling on 21 days of the month.

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