St. Agnes Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit St. Agnes .

Climate overview of St. Agnes

St. Agnes , Cornwall, United Kingdom, has a moderate seasonal temperature range, with August reaching 20°C (68°F) and February cooling to 11°C (52°F).

The city receives around 970 mm (38 in) of rainfall per year. November is the wettest month and May the driest. The sunniest month is May, with 7.4 hours of sunshine per day on average.

St. Agnes Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in St. Agnes — and find the best time to visit.

Monthly Temperature in St. Agnes

The weather in St. Agnes changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a pleasant 20°C (68°F) in August to a chilly 11°C (52°F) in February.

Nighttime temperatures range from 14°C (57°F) in August to 6°C (43°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in St. Agnes

Generally, St. Agnes experiences moderate precipitation patterns, averaging 970 mm (38 in) yearly. The wettest period in St. Agnes occurs in November, which receives around 104 mm (4.1 in) of precipitation. During the driest month, May, St. Agnes experiences moderate rainfall, totaling 66 mm (2.6 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our St. Agnes Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in St. Agnes

In St. Agnes , summer days are longer and more sunny, with daily sunshine hours peaking at 7.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.2 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Newquay, the United Kingdom (14 KM, 8 Miles).

Daily hours of sunshine

Data from: Newquay, the United Kingdom (14 KM, 8 Miles).

Best Time to Visit St. Agnes

During June, July, August and September, St. Agnes experiences its most favorable weather, with temperatures between 18°C (65°F) and 20°C (68°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 67 mm (2.6 in) and 74 mm (2.9 in).

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

Frequently asked questions about the climate in St. Agnes

What is the best time to visit St. Agnes ?

July and August typically offer the most optimal weather in St. Agnes . In contrast, November and December tend to have less optimal conditions.

What temperatures can I expect in St. Agnes ?

Daytime highs range from 11°C (52°F) in February to 20°C (68°F) in August. Nighttime lows range from 6°C (43°F) to 14°C (57°F).

How much rain does St. Agnes get?

Annual rainfall is around 970 mm (38 in). November is the wettest month with 104 mm (4.1 in), while May is the driest with 66 mm (2.6 in).

How sunny is St. Agnes ?

St. Agnes 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.

St. Agnes 3-Day Forecast

St. Agnes 3-Day Forecast

St. Agnes on the map

St. Agnes is highlighted — select any city to see its climate.

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