Holywell Weather & Climate: Best Time to Visit

Visitors to Holywell can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 21°C (70°F) in July to a chilly 9°C (48°F) in January.

Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Holywell experiences moderate precipitation patterns, averaging 964 mm (38 in) yearly. The wettest period in Holywell occurs in June, which receives around 91 mm (3.6 in) of precipitation. During the driest month, March, Holywell experiences moderate rainfall, totaling 68 mm (2.7 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Holywell Precipitation page.

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

The average number of days each month with precipitation

In Holywell, 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