Penrhyn Bay weather

The Penrhyn Bay weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Penrhyn Bay, Aberconwy and Colwyn, Wales in 2026/2027.

• Penrhyn Bay weather averages
• Penrhyn Bay weather by month
• Back to Aberconwy and Colwyn
• Back to Wales

Penrhyn Bay weather averages

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

Back to top

Penrhyn Bay weather by month

Check the weather for Penrhyn 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.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

Back to top

Penrhyn Bay weather in January

The average maximum daytime temperature in Penrhyn 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 Penrhyn Bay during January.

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 2
  2°C min night temperature
• 148
  148 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in February

The average maximum daytime temperature in Penrhyn 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 Penrhyn Bay during February.

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 18
  18 days with some rainfall
• 2
  2°C min night temperature
• 109
  109 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in March

The average maximum daytime temperature in Penrhyn 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 Penrhyn Bay during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 19
  19 days with some rainfall
• 3
  3°C min night temperature
• 119
  119 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in April

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

• 11
  11°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 4
  4°C min night temperature
• 80
  80 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in May

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

• 14
  14°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 6
  6°C min night temperature
• 75
  75 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in June

The average maximum daytime temperature in Penrhyn 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 Penrhyn Bay during June.

• 16
  16°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 9
  9°C min night temperature
• 76
  76 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in July

The average maximum daytime temperature in Penrhyn 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 Penrhyn Bay during July.

• 18
  18°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 11
  11°C min night temperature
• 67
  67 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in August

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

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 11
  11°C min night temperature
• 88
  88 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in September

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

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 16
  16 days with some rainfall
• 9
  9°C min night temperature
• 123
  123 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in October

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

• 13
  13°C max day temperature
• 3
  3 hours of sunshine per day
• 20
  20 days with some rainfall
• 7
  7°C min night temperature
• 145
  145 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in November

The average maximum daytime temperature in Penrhyn 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 Penrhyn Bay during November.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 4
  4°C min night temperature
• 162
  162 mm of monthly rainfall

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

Back to months

Penrhyn Bay weather in December

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

• 8
  8°C max day temperature
• 1
  1 hour of sunshine per day
• 21
  21 days with some rainfall
• 3
  3°C min night temperature
• 160
  160 mm of monthly rainfall

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

Back to months