Llandrillo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Llandrillo.
Climate overview of Llandrillo
The climate in Llandrillo, Gwynedd, United Kingdom, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in July to 7°C (45°F) in January.
With around 1092 mm (43 in) of annual rain/snowfall, Llandrillo has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has pleasant summers and cold winters. The wettest month is December. The most sunshine falls in May, with an average of 5.6 hours of daily sunshine.
Llandrillo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Llandrillo - and find the best time to visit.
Monthly Temperature in Llandrillo
In Llandrillo, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 20°C (68°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).
At night, temperatures range from around 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 Llandrillo
Llandrillo experiences significant rain/snowfall throughout the year, averaging 1092 mm (43 in) of precipitation annually. Despite minor fluctuations, Llandrillo enjoys fairly consistent precipitation throughout the year. In December, you can expect around 108 mm (4.3 in) of precipitation, while in September, Llandrillo receives about 81 mm (3.2 in). For more details, please visit our Llandrillo 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 Llandrillo
Llandrillo can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 0.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Llandrillo
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 Llandrillo
What is the best time to visit Llandrillo?
July typically offers the most optimal weather in Llandrillo. In contrast, January, February, March, November and December tend to have less optimal conditions. Llandrillo has pleasant summers and cold winters.
What temperatures can I expect in Llandrillo?
Daytime highs range from 7°C (45°F) in January to 20°C (68°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 Llandrillo get?
Annual rainfall is around 1092 mm (43 in). December is the wettest month with 108 mm (4.3 in), while September is the driest with 81 mm (3.2 in).
How sunny is Llandrillo?
Llandrillo 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.
Llandrillo 3-Day Forecast
Llandrillo on the map
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