St Austell Weather & Climate: Best Time to Visit
St Austell, Cornwall, United Kingdom, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 20°C (68°F), while February is the coolest at 10°C (50°F).
Annual rainfall is moderate at around 997 mm (39 in), with December being the wettest month. The sunniest month is May, with 7.4 hours of sunshine per day on average.
Monthly Temperature in St Austell
In St Austell, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a pleasant 20°C (68°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 St Austell
Generally, St Austell has a moderate amount of precipitation, averaging 997 mm (39 in) of rainfall annually. Despite minor fluctuations, St Austell enjoys fairly consistent precipitation throughout the year. In December, you can expect around 102 mm (4 in) of precipitation, while in September, St Austell receives about 69 mm (2.7 in). For more details, please visit our St Austell 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 St Austell
St Austell can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
St Austell 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit St Austell
During the months of June, July, August and September, St Austell enjoys pleasant weather with average temperatures ranging from 18°C (65°F) to 20°C (68°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 69 mm (2.7 in) in September to 78 mm (3.1 in) in August. This means you can expect a mix of sunny days and occasional showers. 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.
