Groes weather
The Groes weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Groes, Aberconwy and Colwyn, Wales in 2026/2027.
Groes weather averages
Check the Groes 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 Groes, Aberconwy and Colwyn, Wales.
Groes weather by month
Check the weather for Groes, 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.
Groes weather in January
The average maximum daytime temperature in Groes in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Groes during January.
- 6°C max day temperature
6 - 2 hours of sunshine per day
2 - 20 days with some rainfall
20 - 1°C min night temperature
1 - 98 mm of monthly rainfall
98
On average 98 mm (3.9 inches) of rain normally falls in Groes during January with rain falling on 20 days of the month.
Groes weather in February
The average maximum daytime temperature in Groes in February is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Groes during February.
- 6°C max day temperature6
- 2 hours of sunshine per day2
- 17 days with some rainfall
17 - 1°C min night temperature1
- 70 mm of monthly rainfall
70
On average 70 mm (2.8 inches) of rain normally falls in Groes during February with rain falling on 17 days of the month.
Groes weather in March
The average maximum daytime temperature in Groes in March is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Groes during March.
- 8°C max day temperature
8 - 3 hours of sunshine per day
3 - 18 days with some rainfall18
- 2°C min night temperature2
- 80 mm of monthly rainfall80
On average 80 mm (3.1 inches) of rain normally falls in Groes during March with rain falling on 18 days of the month.
Groes weather in April
The average maximum daytime temperature in Groes in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 5 hours of sunshine a day in Groes during April.
- 11°C max day temperature11
- 5 hours of sunshine per day
5 - 16 days with some rainfall16
- 3°C min night temperature3
- 65 mm of monthly rainfall65
On average 65 mm (2.6 inches) of rain normally falls in Groes during April with rain falling on 16 days of the month.
Groes weather in May
The average maximum daytime temperature in Groes 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 Groes 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
- 64 mm of monthly rainfall64
On average 64 mm (2.5 inches) of rain normally falls in Groes during May with rain falling on 15 days of the month.
Groes weather in June
The average maximum daytime temperature in Groes in June is a comfortable 17°C (63°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 Groes during June.
- 17°C max day temperature
17 - 6 hours of sunshine per day6
- 15 days with some rainfall15
- 9°C min night temperature9
- 69 mm of monthly rainfall69
On average 69 mm (2.7 inches) of rain normally falls in Groes during June with rain falling on 15 days of the month.
Groes weather in July
The average maximum daytime temperature in Groes in July is a comfortable 19°C (66°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 Groes during July.
- 19°C max day temperature
19 - 6 hours of sunshine per day6
- 14 days with some rainfall14
- 11°C min night temperature11
- 60 mm of monthly rainfall
60
On average 60 mm (2.4 inches) of rain normally falls in Groes during July with rain falling on 14 days of the month.
Groes weather in August
The average maximum daytime temperature in Groes in August is a comfortable 19°C (66°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 Groes during August.
- 19°C max day temperature19
- 5 hours of sunshine per day5
- 16 days with some rainfall16
- 11°C min night temperature11
- 77 mm of monthly rainfall77
On average 77 mm (3 inches) of rain normally falls in Groes during August with rain falling on 16 days of the month.
Groes weather in September
The average maximum daytime temperature in Groes 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 Groes during September.
- 16°C max day temperature16
- 4 hours of sunshine per day
4 - 16 days with some rainfall16
- 9°C min night temperature9
- 98 mm of monthly rainfall98
On average 98 mm (3.9 inches) of rain normally falls in Groes during September with rain falling on 16 days of the month.
Groes weather in October
The average maximum daytime temperature in Groes in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Groes during October.
- 13°C max day temperature13
- 3 hours of sunshine per day3
- 19 days with some rainfall19
- 6°C min night temperature6
- 101 mm of monthly rainfall
101
On average 101 mm (4 inches) of rain normally falls in Groes during October with rain falling on 19 days of the month.
Groes weather in November
The average maximum daytime temperature in Groes in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Groes during November.
- 9°C max day temperature9
- 2 hours of sunshine per day2
- 20 days with some rainfall20
- 3°C min night temperature3
- 110 mm of monthly rainfall110
On average 110 mm (4.3 inches) of rain normally falls in Groes during November with rain falling on 20 days of the month.
Groes weather in December
The average maximum daytime temperature in Groes in December 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 Groes during December.
- 7°C max day temperature7
- 1 hour of sunshine per day
1 - 20 days with some rainfall20
- 2°C min night temperature2
- 106 mm of monthly rainfall106
On average 106 mm (4.2 inches) of rain normally falls in Groes during December with rain falling on 20 days of the month.