Trearddur Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Trearddur.
Climate overview of Trearddur
Trearddur, Gwynedd, United Kingdom, has a moderate seasonal temperature range, with August reaching 19°C (66°F) and February cooling to 10°C (50°F).
With around 1070 mm (42 in) of annual rainfall, Trearddur has a notably wet climate. The wettest month is November.
Trearddur Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trearddur — and find the best time to visit.
Monthly Temperature in Trearddur
The climate in Trearddur experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a pleasant 19°C (66°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 14°C (57°F) in August to 5°C (41°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Trearddur
Trearddur is known for its substantial rainfall, with annual precipitation reaching 1070 mm (42 in). Trearddur experiences moderate seasonal variation in rainfall, with monthly averages ranging from 126 mm (5 in) in November, the wettest month, and 66 mm (2.6 in) in May, the driest month. For more details, please visit our Trearddur Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Trearddur
The weather does bring rainfall during this period, between 69 mm (2.7 in) and 89 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 Trearddur
What is the best time to visit Trearddur?
July, August and September typically offer the most optimal weather in Trearddur. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Trearddur?
Daytime highs range from 10°C (50°F) in February to 19°C (66°F) in August. Nighttime lows range from 5°C (41°F) to 14°C (57°F).
How much rain does Trearddur get?
Annual rainfall is around 1070 mm (42 in). November is the wettest month with 126 mm (5 in), while May is the driest with 66 mm (2.6 in).
Trearddur 3-Day Forecast
Trearddur 3-Day Forecast
Trearddur on the map
Trearddur 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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