Mullion Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mullion.
Climate overview of Mullion
The climate in Mullion, Cornwall, United Kingdom, sees a moderate range of temperatures across the year, from 20°C (68°F) in August down to 11°C (52°F) in February.
With around 935 mm (37 in) of annual rainfall, the city has moderate precipitation levels. November is the wettest month and May the driest. The most sunshine falls in May, with an average of 7.4 hours of daily sunshine.
Mullion Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mullion — and find the best time to visit.
Monthly Temperature in Mullion
The climate in Mullion experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in August to a chilly 11°C (52°F) in the coolest month, February.
Nights vary from 15°C (59°F) in August to around 7°C (45°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mullion
On average, Mullion receives a reasonable amount of rainfall, with an annual precipitation of 935 mm (37 in). Mullion offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month November (103 mm (4.1 in)) and the driest month May (61 mm (2.4 in)) is not too significant. For more details, please visit our Mullion Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Mullion
For those who appreciate different seasons, Mullion serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.4 hours of sunshine daily, and embrace the darker days in December, offering only 2.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Mullion
Frequently asked questions about the climate in Mullion
What is the best time to visit Mullion?
August typically offers the most optimal weather in Mullion. In contrast, November and December tend to have less optimal conditions.
What temperatures can I expect in Mullion?
Daytime highs range from 11°C (52°F) in February to 20°C (68°F) in August. Nighttime lows range from 7°C (45°F) to 15°C (59°F).
How much rain does Mullion get?
Annual rainfall is around 935 mm (37 in). November is the wettest month with 103 mm (4.1 in), while May is the driest with 61 mm (2.4 in).
How sunny is Mullion?
Mullion receives around 1,753 hours of sunshine per year. May is the sunniest month with 222 hours, while December is the cloudiest with just 65 hours.
Mullion 3-Day Forecast
Mullion 3-Day Forecast
Mullion on the map
Mullion is highlighted — select any city to see its climate.
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