Caernarfon Weather in August

In Caernarfon, August brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.

Rainfall in Caernarfon in August

Typically around 16 days of rainfall are expected, averaging 106 mm (4.2 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 Caernarfon in August

In August, Caernarfon sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 13°C (55°F). August is a notable month of the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, it sees the highest temps of the year.

Sunshine in Caernarfon in August

The area enjoys a balanced 145 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Caernarfon.

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 Caernarfon's climate page.

Caernarfon Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 54%  

Precipitation 106 mm (4.2 in)  

Rainy days 16 days  

Sunshine 145 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (51 KM, 32 Miles).

What to Wear in Caernarfon in August

Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Caernarfon 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 Caernarfon's climate page.

More climate data for Caernarfon

Temperature Rainfall Sunshine

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