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Llangollen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Llangollen.
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Climate overview of Llangollen
The climate in Llangollen, Clwyd, United Kingdom, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in July to 8°C (46°F) in January.
With around 929 mm (37 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and March the driest. It also has pleasant summers and cold winters. The most sunshine falls in May, with an average of 5.6 hours of daily sunshine.
Llangollen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Llangollen - and find the best time to visit.
Monthly Temperature in Llangollen
In Llangollen, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 12°C (54°F) in July to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Llangollen
On average, Llangollen receives a reasonable amount of rain/snowfall, with an annual precipitation of 929 mm (37 in). Precipitation levels in Llangollen remain relatively steady throughout the year. December has the most rain, with 87 mm (3.4 in) over 20 days. In the driest month March, this drops slightly to 69 mm (2.7 in), making the city's climate fairly predictable. For more details, please visit our Llangollen Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Llangollen
For those who appreciate different seasons, Llangollen serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 5.6 hours of sunshine daily, and embrace the darker days in December, offering only 0.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Bala, the United Kingdom (29 KM, 18 Miles).
Daily hours of sunshine
Data from: Bala, the United Kingdom (29 KM, 18 Miles).
Best Time to Visit Llangollen
For comfortable weather, consider visiting Llangollen in July and August. Conditions are usually least favourable in January, February, March and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
cold
Apr
mixed
May
good
Jun
very good
Jul
excellent
Aug
excellent
Sep
very good
Oct
good
Nov
mixed
Dec
cold
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Llangollen
What is the best time to visit Llangollen?
July and August typically offer the most optimal weather in Llangollen. In contrast, January, February, March and December tend to have less optimal conditions. Llangollen has pleasant summers and cold winters.
What temperatures can I expect in Llangollen?
Daytime highs range from 8°C (46°F) in January to 20°C (68°F) in July. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Llangollen get?
Annual rainfall is around 929 mm (37 in). December is the wettest month with 87 mm (3.4 in), while March is the driest with 69 mm (2.7 in).
How sunny is Llangollen?
Llangollen receives around 1,192 hours of sunshine per year. May is the sunniest month with 169 hours, while December is the cloudiest with just 26 hours.
Llangollen 3-Day Forecast
Llangollen on the map
Llangollen is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
London
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15°C (59°F) Edinburgh13°C (55°F) Glasgow14°C (57°F) Bucket list
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