Snowdonia National Park Weather in July

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

Are you planning a trip a to Snowdonia National Park, the United Kingdom in July and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Snowdonia National Park in July

Snowdonia National Park, the United Kingdom is a region in the United Kingdom. July in Snowdonia National Park generally has pleasant temperatures, with precipitation levels ranging from moderate to high. The month of July is in the summer season.

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. On average, July is the month with the highest temperature of the year in Snowdonia National Park, the United Kingdom.

For a closer look at conditions across Snowdonia National Park, the United Kingdom, refer to the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Trefriw with an average of 92 mm (3.6 in) to high rainfall in Beddgelert with 108 mm (4.3 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Betws-y-coed gets around 155 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

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 July

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 July for some of the most popular destinations in Snowdonia National Park, the United Kingdom?

Temperature range in Snowdonia National Park (July)

Precipitation variation in Snowdonia National Park (July)

Betws-y-coed

In July 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 moderate monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
18°C (64°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
151 hours
155 hours
145 hours
Monthly rainfall
99 mm (3.9 in)
95 mm (3.7 in)
100 mm (3.9 in)
Monthly rainy days
16 days
14 days
17 days
Weather conditions

Dolgellau

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

June
July
August
Max temperature
18°C (64°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
151 hours
155 hours
145 hours
Monthly rainfall
98 mm (3.9 in)
95 mm (3.7 in)
105 mm (4.1 in)
Monthly rainy days
16 days
15 days
17 days
Weather conditions

Blaenau-Ffestiniog

In July 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.

June
July
August
Max temperature
17°C (63°F)
19°C (66°F)
19°C (66°F)
Min temperature
9°C (48°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
151 hours
155 hours
145 hours
Monthly rainfall
105 mm (4.1 in)
105 mm (4.1 in)
114 mm (4.5 in)
Monthly rainy days
16 days
15 days
17 days
Weather conditions

Beddgelert

In July 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.

June
July
August
Max temperature
17°C (63°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
151 hours
155 hours
145 hours
Monthly rainfall
106 mm (4.2 in)
108 mm (4.3 in)
120 mm (4.7 in)
Monthly rainy days
16 days
14 days
17 days
Weather conditions

Dolwyddelan

In July Dolwyddelan 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.

June
July
August
Max temperature
18°C (64°F)
19°C (66°F)
19°C (66°F)
Min temperature
9°C (48°F)
12°C (54°F)
11°C (52°F)
Monthly sun hours
151 hours
155 hours
145 hours
Monthly rainfall
103 mm (4.1 in)
100 mm (3.9 in)
108 mm (4.3 in)
Monthly rainy days
16 days
15 days
17 days
Weather conditions

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

In our records: the United Kingdom July extremes

Notable July records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United Kingdom reached 39°C (102°F) in Nottingham on July 19, 2022.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Betws-y-coed 19°C (66°F) 12°C (54°F) 95 mm (3.7 in)
Dolgellau 19°C (66°F) 12°C (54°F) 95 mm (3.7 in)
Blaenau-Ffestiniog 19°C (66°F) 11°C (52°F) 105 mm (4.1 in)
Beddgelert 19°C (66°F) 12°C (54°F) 108 mm (4.3 in)
Dolwyddelan 19°C (66°F) 12°C (54°F) 100 mm (3.9 in)
Llanberis 19°C (66°F) 12°C (54°F) 98 mm (3.9 in)

Snowdonia National Park weather in July: frequently asked questions

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

Expect pleasant weather across Snowdonia National Park, the United Kingdom in July. The popular destination of Betws-y-coed averages 19°C (66°F) by day and 12°C (54°F) at night during this summer month.

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

Daytime temperatures in Betws-y-coed peak at roughly 19°C (66°F) in July, dropping to about 12°C (54°F) overnight.

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

Rain is generally moderate to light in Snowdonia National Park, the United Kingdom during July, with Betws-y-coed averaging close to 95 mm (3.7 in).

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

We believe that July is one of the best times to visit Snowdonia National Park, the United Kingdom with overall pleasant weather in Betws-y-coed. It's worth noting that weather conditions might differ depending on the location you visit.

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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