Porthmadog Weather in August

August in Porthmadog brings pleasant temperatures around 19°C (66°F) during the day, dropping to 12°C (54°F) at night, with quite a bit of rainfall expected, averaging around 120 mm (4.7 in) for the month.

Rainfall in Porthmadog in August

Typically, about 16 days will experience rainfall, with an average of 120 mm (4.7 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Porthmadog in August

Porthmadog in August gets highs of 19°C (66°F) during the day and drops to 12°C (54°F) at night. During August, the summer season is in full swing. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it is the month with the highest temperature of the year.

Sunshine in Porthmadog in August

With about 145 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Porthmadog.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Porthmadog's climate page.

Porthmadog Temperature in August

Min Temperature 12°C (54°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 55%  

Precipitation 120 mm (4.7 in)  

Rainy days 16 days  

Sunshine 145 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (35 KM, 22 Miles).

What to Wear in Porthmadog in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Porthmadog in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Porthmadog's climate page.

More climate data for Porthmadog

Temperature Rainfall Sunshine

See the full Porthmadog climate overview or explore weather in the United Kingdom.