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Weather in August in Gwynedd

Planning a journey to Gwynedd this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Gwynedd in August?

Gwynedd is a region in the United Kingdom. August in Gwynedd generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high. August falls during the summer season.

Temperatures

During the day temperatures vary from mild in Aberdaron at 18°C to pleasant in Llangefni at 20°C. At night it cools down to 13°C in Llangefni and 15°C in Aberdaron.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Cemaes Bay with an average of 80 mm to high rainfall in Trevor with 130 mm.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 145 hours of sunlight expected in Llandudno. This makes it neither too gloomy nor overly bright.

To learn more about the conditions in specific areas of Gwynedd in August, check out the map below. For more details on the yearly weather, visit our Gwynedd climate page.

Where to go in Gwynedd in August

Find more information for the most popular destinations in the Gwynedd on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in August for the 5 most popular destinations in Gwynedd?

Llandudno

In August Llandudno generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Llandudno
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
20°C 
13°C 
155 hours 
83 mm 
14 days 
19°C 
13°C 
145 hours 
89 mm 
16 days 
18°C 
11°C 
111 hours 
90 mm 
17 days 
Climate in Llandudno

Betws-y-coed

In August Betws-y-coed generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are tolerable that month.

Betws-y-coed
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
19°C 
12°C 
155 hours 
95 mm 
14 days 
19°C 
12°C 
145 hours 
100 mm 
17 days 
17°C 
10°C 
111 hours 
95 mm 
17 days 
Climate in Betws-y-coed

Criccieth

In August Criccieth generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 13°C and high monthly rainfall. So on average the conditions are tolerable that month.

Criccieth
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
18°C 
13°C 
155 hours 
108 mm 
14 days 
18°C 
13°C 
145 hours 
123 mm 
16 days 
17°C 
12°C 
111 hours 
129 mm 
17 days 
Climate in Criccieth

Conwy

In August Conwy generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Conwy
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
20°C 
13°C 
155 hours 
85 mm 
14 days 
20°C 
13°C 
145 hours 
89 mm 
16 days 
18°C 
11°C 
111 hours 
87 mm 
17 days 
Climate in Conwy

Dolgellau

In August Dolgellau generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are tolerable that month.

Dolgellau
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
19°C 
12°C 
155 hours 
95 mm 
15 days 
19°C 
12°C 
145 hours 
105 mm 
17 days 
17°C 
10°C 
111 hours 
103 mm 
17 days 
Climate in Dolgellau

Is your destination not in the list? Have a look at other destinations in Gwynedd, in the United Kingdom.

Is August the best time to visit Gwynedd?

In our opinion, August is a good time to visit Gwynedd with overall pleasant weather in Llandudno. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in July offering mostly perfect weather in Llandudno. In contrast, January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Gwynedd. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.