Rhyl Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from pleasant to chilly in Rhyl. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in January.

Nighttime temperatures range from 13°C (55°F) in July to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Rhyl has a moderate amount of precipitation, averaging 998 mm (39 in) of rainfall annually. The wettest period in Rhyl occurs in December, which receives around 99 mm (3.9 in) of precipitation. During the driest month, May, Rhyl experiences moderate rainfall, totaling 70 mm (2.8 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Rhyl Precipitation page.

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

The average number of days each month with precipitation

In Rhyl, summer days are longer and more sunny, with daily sunshine hours peaking at 7.0 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours per average day.

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