Llannerch-y-môr Weather & Climate: Best Time to Visit

The climate in Llannerch-y-môr is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in the coolest month, January.

Nights vary from 13°C (55°F) in July to around 3°C (37°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Llannerch-y-môr has a notably wet climate with abundant precipitation, recording 1001 mm (39 in) of rainfall per year. Precipitation levels in Llannerch-y-môr remain relatively steady throughout the year. December has the most rain, with 94 mm (3.7 in) over 19 days. In the driest month March, this drops slightly to 70 mm (2.8 in), making the city's climate fairly predictable. For more details, please visit our Llannerch-y-môr Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Llannerch-y-môr serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.0 hours of sunshine daily, and embrace the darker days in December, offering only 1.6 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in December, reaching 86%. In May, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year