Penmaenmawr weather
The Penmaenmawr weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Penmaenmawr, Aberconwy and Colwyn, Wales in 2026/2027.
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- Penmaenmawr weather by month
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Penmaenmawr weather averages
Check the Penmaenmawr 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 Penmaenmawr, Aberconwy and Colwyn, Wales.
Penmaenmawr weather by month
Check the weather for Penmaenmawr, 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.
Penmaenmawr weather in January
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during January.
- 7°C max day temperature
7 - 1 hour of sunshine per day
1 - 21 days with some rainfall
21 - 2°C min night temperature
2 - 148 mm of monthly rainfall
148
On average 148 mm (5.8 inches) of rain normally falls in Penmaenmawr during January with rain falling on 21 days of the month.
Penmaenmawr weather in February
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during February.
- 7°C max day temperature7
- 2 hours of sunshine per day
2 - 18 days with some rainfall
18 - 2°C min night temperature2
- 109 mm of monthly rainfall
109
On average 109 mm (4.3 inches) of rain normally falls in Penmaenmawr during February with rain falling on 18 days of the month.
Penmaenmawr weather in March
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during March.
- 8°C max day temperature
8 - 3 hours of sunshine per day
3 - 19 days with some rainfall19
- 3°C min night temperature3
- 119 mm of monthly rainfall119
On average 119 mm (4.7 inches) of rain normally falls in Penmaenmawr during March with rain falling on 19 days of the month.
Penmaenmawr weather in April
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during April.
- 11°C max day temperature11
- 5 hours of sunshine per day
5 - 16 days with some rainfall16
- 4°C min night temperature4
- 80 mm of monthly rainfall
80
On average 80 mm (3.1 inches) of rain normally falls in Penmaenmawr during April with rain falling on 16 days of the month.
Penmaenmawr weather in May
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during May.
- 14°C max day temperature
14 - 6 hours of sunshine per day
6 - 15 days with some rainfall
15 - 6°C min night temperature6
- 75 mm of monthly rainfall75
On average 75 mm (3 inches) of rain normally falls in Penmaenmawr during May with rain falling on 15 days of the month.
Penmaenmawr weather in June
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during June.
- 16°C max day temperature
16 - 6 hours of sunshine per day6
- 15 days with some rainfall15
- 9°C min night temperature9
- 76 mm of monthly rainfall76
On average 76 mm (3 inches) of rain normally falls in Penmaenmawr during June with rain falling on 15 days of the month.
Penmaenmawr weather in July
The average maximum daytime temperature in Penmaenmawr 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 5 hours of sunshine a day in Penmaenmawr during July.
- 18°C max day temperature
18 - 5 hours of sunshine per day5
- 14 days with some rainfall14
- 11°C min night temperature11
- 67 mm of monthly rainfall67
On average 67 mm (2.6 inches) of rain normally falls in Penmaenmawr during July with rain falling on 14 days of the month.
Penmaenmawr weather in August
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during August.
- 18°C max day temperature18
- 5 hours of sunshine per day5
- 16 days with some rainfall16
- 11°C min night temperature11
- 88 mm of monthly rainfall
88
On average 88 mm (3.5 inches) of rain normally falls in Penmaenmawr during August with rain falling on 16 days of the month.
Penmaenmawr weather in September
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during September.
- 16°C max day temperature16
- 4 hours of sunshine per day
4 - 16 days with some rainfall16
- 9°C min night temperature9
- 123 mm of monthly rainfall
123
On average 123 mm (4.8 inches) of rain normally falls in Penmaenmawr during September with rain falling on 16 days of the month.
Penmaenmawr weather in October
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during October.
- 13°C max day temperature13
- 3 hours of sunshine per day3
- 20 days with some rainfall20
- 7°C min night temperature7
- 145 mm of monthly rainfall145
On average 145 mm (5.7 inches) of rain normally falls in Penmaenmawr during October with rain falling on 20 days of the month.
Penmaenmawr weather in November
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during November.
- 9°C max day temperature9
- 2 hours of sunshine per day2
- 21 days with some rainfall21
- 4°C min night temperature4
- 162 mm of monthly rainfall
162
On average 162 mm (6.4 inches) of rain normally falls in Penmaenmawr during November with rain falling on 21 days of the month.
Penmaenmawr weather in December
The average maximum daytime temperature in Penmaenmawr 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 Penmaenmawr during December.
- 8°C max day temperature8
- 1 hour of sunshine per day1
- 21 days with some rainfall21
- 3°C min night temperature3
- 160 mm of monthly rainfall160
On average 160 mm (6.3 inches) of rain normally falls in Penmaenmawr during December with rain falling on 21 days of the month.