Snowdonia National Park Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Snowdonia National Park, the United Kingdom in August.

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

What to Expect in Snowdonia National Park in August

Snowdonia National Park, the United Kingdom is a region in the United Kingdom. August in Snowdonia National Park generally has pleasant temperatures, with precipitation levels ranging from moderate to high. During August, summer is in full swing.

Temperatures

You can expect pleasant maximum daytime temperatures of around 19°C (66°F) and nighttime temperatures around 12°C (54°F) in Betws-y-coed.

For specific regional insights in Snowdonia National Park, the United Kingdom, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Trefriw with an average of 97 mm (3.8 in) to high rainfall in Beddgelert with 120 mm (4.7 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Betws-y-coed as an example - it receives around 145 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Snowdonia National Park by month

Pick a month to see the average temperature, rainfall and sunshine in Snowdonia National Park — and find the best time to visit. (based on Betws-y-coed)

Best Places to Visit in Snowdonia National Park in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Snowdonia National Park.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Snowdonia National Park

What is the weather like in August for some of the most popular destinations in Snowdonia National Park, the United Kingdom?

Temperature range in Snowdonia National Park (August)

Precipitation variation in Snowdonia National Park (August)

Betws-y-coed

In August Betws-y-coed generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
155 hours
145 hours
111 hours
Monthly rainfall
95 mm (3.7 in)
100 mm (3.9 in)
95 mm (3.7 in)
Monthly rainy days
14 days
17 days
17 days
Weather conditions

Dolgellau

In August Dolgellau generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
155 hours
145 hours
111 hours
Monthly rainfall
95 mm (3.7 in)
105 mm (4.1 in)
103 mm (4.1 in)
Monthly rainy days
15 days
17 days
17 days
Weather conditions

Blaenau-Ffestiniog

In August Blaenau-Ffestiniog generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
11°C (52°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
155 hours
145 hours
111 hours
Monthly rainfall
105 mm (4.1 in)
114 mm (4.5 in)
109 mm (4.3 in)
Monthly rainy days
15 days
17 days
18 days
Weather conditions

Beddgelert

In August Beddgelert generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
155 hours
145 hours
111 hours
Monthly rainfall
108 mm (4.3 in)
120 mm (4.7 in)
120 mm (4.7 in)
Monthly rainy days
14 days
17 days
17 days
Weather conditions

Dolwyddelan

In August Dolwyddelan generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
12°C (54°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
155 hours
145 hours
111 hours
Monthly rainfall
100 mm (3.9 in)
108 mm (4.3 in)
102 mm (4 in)
Monthly rainy days
15 days
17 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Snowdonia National Park, in the United Kingdom.

Popular cities in August

Day & night temperatures, rainfall and average weather in Snowdonia National Park in August.

City Weather Day temp Night temp Rainfall
Betws-y-coed 19°C (66°F) 12°C (54°F) 100 mm (3.9 in)
Dolgellau 19°C (66°F) 12°C (54°F) 105 mm (4.1 in)
Blaenau-Ffestiniog 19°C (66°F) 11°C (52°F) 114 mm (4.5 in)
Beddgelert 19°C (66°F) 12°C (54°F) 120 mm (4.7 in)
Dolwyddelan 19°C (66°F) 11°C (52°F) 108 mm (4.3 in)
Llanberis 19°C (66°F) 12°C (54°F) 108 mm (4.3 in)

Snowdonia National Park weather in August: frequently asked questions

What is the weather like in Snowdonia National Park, the United Kingdom in August?

In August, Snowdonia National Park, the United Kingdom generally has tolerable weather conditions. Betws-y-coed sees daytime temperatures near 19°C (66°F), with nights cooling to roughly 12°C (54°F).

What is the average temperature in Snowdonia National Park, the United Kingdom in August?

In Betws-y-coed, the average daytime high in August is 19°C (66°F), while nighttime temperatures drop to around 12°C (54°F).

Does Snowdonia National Park, the United Kingdom get a lot of rain in August?

Betws-y-coed typically receives notable rainfall in August, about 100 mm (3.9 in) on average across Snowdonia National Park, the United Kingdom.

Is August a Good Time to Visit Snowdonia National Park, the United Kingdom?

Given the typically tolerable weather conditions in Betws-y-coed, August might be a good time to visit Snowdonia National Park, the United Kingdom. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June and July offering mostly pleasant weather in Betws-y-coed. 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 Snowdonia National Park.

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.

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