St Asaph Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit St Asaph.
Climate overview of St Asaph
St Asaph, Clwyd, United Kingdom, sees big temperature differences between seasons, with July peaking at 20°C (68°F) and February dropping to 9°C (48°F).
With around 962 mm (38 in) of annual rainfall, the city has moderate precipitation levels. June is the wettest month and March the driest. The most sunshine falls in May, with an average of 7.0 hours of daily sunshine.
St Asaph Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Asaph — and find the best time to visit.
Monthly Temperature in St Asaph
Visitors to St Asaph can expect significant temperature changes throughout the year. 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, February.
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
Rainfall in St Asaph
Generally, St Asaph experiences moderate precipitation patterns, averaging 962 mm (38 in) yearly. Precipitation levels in St Asaph remain relatively steady throughout the year. June has the most rain, with 90 mm (3.5 in) over 14 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 St Asaph Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in St Asaph
For those who appreciate different seasons, St Asaph 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
Humidity in St Asaph by Month
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
Best Time to Visit St Asaph
The weather does bring rainfall during this period, between 78 mm (3.1 in) and 90 mm (3.5 in). Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in St Asaph
What is the best time to visit St Asaph?
July and August typically offer the most optimal weather in St Asaph. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in St Asaph?
Daytime highs range from 9°C (48°F) in February to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does St Asaph get?
Annual rainfall is around 962 mm (38 in). June is the wettest month with 90 mm (3.5 in), while March is the driest with 70 mm (2.8 in).
How sunny is St Asaph?
St Asaph receives around 1,507 hours of sunshine per year. May is the sunniest month with 209 hours, while December is the cloudiest with just 48 hours.
St Asaph 3-Day Forecast
St Asaph 3-Day Forecast
St Asaph on the map
St Asaph is highlighted — select any city to see its climate.
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Where to go in July — average daytime high across popular destinations.
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