Llanberis Weather in August

August in Llanberis brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 108 mm (4.3 in), so pack an umbrella.

Rainfall in Llanberis in August

Past climate data indicates that roughly 17 days will see rain, totalling around 108 mm (4.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Llanberis in August

Daytime highs in Llanberis in August reach 19°C (66°F), with nights around 12°C (54°F). The month of August belongs to the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Llanberis in August

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

If you prefer enjoying temperate temperatures and rain-free days, June and July typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.