Capel-Curig Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Capel-Curig.

Climate overview of Capel-Curig

The climate in Capel-Curig, Gwynedd, United Kingdom, is marked by large temperature swings across the seasons, ranging from 19°C (66°F) in July to 8°C (46°F) in February.

With around 1287 mm (51 in) of annual rain/snowfall, Capel-Curig has a notably wet climate. The wettest month is December. The sunniest month is May, with 5.6 hours of sunshine per day on average.

Capel-Curig Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Capel-Curig — and find the best time to visit.

Monthly Temperature in Capel-Curig

In Capel-Curig, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 19°C (66°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 8°C (46°F).

At night, temperatures range from around 12°C (54°F) in July to 2°C (36°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Capel-Curig

Capel-Curig experiences significant rain/snowfall throughout the year, averaging 1287 mm (51 in) of precipitation annually. Despite minor fluctuations, Capel-Curig enjoys fairly consistent precipitation throughout the year. In December, you can expect around 132 mm (5.2 in) of precipitation, while in May, Capel-Curig receives about 91 mm (3.6 in). For more details, please visit our Capel-Curig Precipitation page.

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

Sunshine Hours in Capel-Curig

Capel-Curig 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

Data from: Bala, the United Kingdom (29 KM, 18 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (29 KM, 18 Miles).

Best Time to Visit Capel-Curig

The best time to visit Capel-Curig is during June, July, August and September, when the weather provides comfortable temperatures between 17°C (63°F) and 19°C (67°F). With rainfall of 98 mm (3.9 in) to 105 mm (4.1 in), you can expect pleasant weather during your visit in these months.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Capel-Curig

What is the best time to visit Capel-Curig?

July typically offers the most optimal weather in Capel-Curig. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Capel-Curig?

Daytime highs range from 8°C (46°F) in February to 19°C (66°F) in July. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Capel-Curig get?

Annual rainfall is around 1287 mm (51 in). December is the wettest month with 132 mm (5.2 in), while May is the driest with 91 mm (3.6 in).

How sunny is Capel-Curig?

Capel-Curig 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.

Capel-Curig 3-Day Forecast

Capel-Curig 3-Day Forecast

Capel-Curig on the map

Capel-Curig is highlighted — select any city to see its climate.

Popular this month

Where to go in June — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.