Llanddona Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Llanddona.
Climate overview of Llanddona
Temperatures in Llanddona, Gwynedd, United Kingdom, shift moderately through the seasons. The warmest month is July at 20°C (68°F), and the coolest is January at 9°C (48°F).
The city has a wet climate, receiving around 1128 mm (44 in) of rainfall 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.
Llanddona Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Llanddona - and find the best time to visit.
Monthly Temperature in Llanddona
The climate in Llanddona experiences moderate temperature changes, with mild shifts between seasons. 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
Rainfall in Llanddona
Llanddona has a notably wet climate with abundant precipitation, recording 1128 mm (44 in) of rainfall per year. The wettest period in Llanddona occurs in December, which receives around 115 mm (4.5 in) of precipitation. During the driest month, May, Llanddona experiences moderate rainfall, totaling 79 mm (3.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Llanddona 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 Llanddona
In Llanddona, 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 Llanddona
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Llanddona
What is the best time to visit Llanddona?
July typically offers the most optimal weather in Llanddona. In contrast, January, February, November and December tend to have less optimal conditions. Llanddona has pleasant summers and cold winters.
What temperatures can I expect in Llanddona?
Daytime highs range from 9°C (48°F) in January to 20°C (68°F) in July. Nighttime lows range from 4°C (39°F) to 13°C (55°F).
How much rain does Llanddona get?
Annual rainfall is around 1128 mm (44 in). December is the wettest month with 115 mm (4.5 in), while May is the driest with 79 mm (3.1 in).
How sunny is Llanddona?
Llanddona 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.
Llanddona 3-Day Forecast
Llanddona 3-Day Forecast
Llanddona on the map
Llanddona 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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