Llanwddyn Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Llanwddyn.
Climate overview of Llanwddyn
Llanwddyn, Powys, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 19°C (66°F) in July, while winters cool to 7°C (45°F) in January.
The city has a wet climate, receiving around 1097 mm (43 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and cold winters. December is the wettest month. The most sunshine falls in May, with an average of 5.6 hours of daily sunshine.
Llanwddyn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Llanwddyn - and find the best time to visit.
Monthly Temperature in Llanwddyn
Depending on the time of the year, temperatures range from pleasant to chilly in Llanwddyn. On average, daytime temperatures range from a pleasant 19°C (66°F) in July to a chilly 7°C (45°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Llanwddyn
Llanwddyn has a relatively rain/snowy climate with high precipitation levels, averaging 1097 mm (43 in) of rain/snowfall annually. The wettest period in Llanwddyn occurs in December, which receives around 114 mm (4.5 in) of precipitation. During the driest month, September, Llanwddyn experiences moderate rainfall, totaling 80 mm (3.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Llanwddyn 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 Llanwddyn
In Llanwddyn, summer days are longer and more sunny, with daily sunshine hours peaking at 5.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Llanwddyn
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, 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 Llanwddyn
What is the best time to visit Llanwddyn?
June, July and August typically offer the most optimal weather in Llanwddyn. In contrast, January, February, March, November and December tend to have less optimal conditions. Llanwddyn has pleasant summers and cold winters.
What temperatures can I expect in Llanwddyn?
Daytime highs range from 7°C (45°F) in January to 19°C (66°F) in July. Nighttime lows range from 2°C (36°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Llanwddyn get?
Annual rainfall is around 1097 mm (43 in). December is the wettest month with 114 mm (4.5 in), while September is the driest with 80 mm (3.1 in).
How sunny is Llanwddyn?
Llanwddyn 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.
Llanwddyn 3-Day Forecast
Llanwddyn 3-Day Forecast
Llanwddyn on the map
Llanwddyn is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
London
23°C (73°F) Bath22°C (72°F) York22°C (72°F) Manchester
21°C (70°F) Edinburgh
19°C (66°F) Glasgow19°C (66°F) Torquay20°C (68°F) Blackpool19°C (66°F) 
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