Tregarth Weather & Climate: Best Time to Visit

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

Climate overview of Tregarth

Tregarth, Gwynedd, United Kingdom, sees big temperature differences between seasons, with July peaking at 20°C (68°F) and January dropping to 9°C (48°F).

With around 1228 mm (48 in) of annual rain/snowfall, Tregarth has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has pleasant summers and cold winters. The wettest month is December. Sunshine peaks in May, when the city sees around 5.6 hours of sunshine per day.

Tregarth Weather by Month

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

Monthly Temperature in Tregarth

Visitors to Tregarth can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 20°C (68°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 12°C (54°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Tregarth

Tregarth is known for its substantial rain/snowfall, with annual precipitation reaching 1228 mm (48 in). Despite minor fluctuations, Tregarth enjoys fairly consistent precipitation throughout the year. In December, you can expect around 125 mm (4.9 in) of precipitation, while in May, Tregarth receives about 87 mm (3.4 in). For more details, please visit our Tregarth Precipitation page.

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

Sunshine Hours in Tregarth

Tregarth 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 (45 KM, 28 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (45 KM, 28 Miles).

Best Time to Visit Tregarth

The most comfortable overall weather for exploring Tregarth is usually found in July. Conditions are generally least comfortable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July
  • Warmest weather: July and August
  • Most sunshine: May
  • Seasonal pattern: Pleasant summers and cold winters

Frequently asked questions about the climate in Tregarth

What is the best time to visit Tregarth?

July typically offers the most optimal weather in Tregarth. In contrast, January, February, March, November and December tend to have less optimal conditions. Tregarth has pleasant summers and cold winters.

What temperatures can I expect in Tregarth?

Daytime highs range from 9°C (48°F) in January to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Tregarth get?

Annual rainfall is around 1228 mm (48 in). December is the wettest month with 125 mm (4.9 in), while May is the driest with 87 mm (3.4 in).

How sunny is Tregarth?

Tregarth 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.

Tregarth 3-Day Forecast

Tregarth 3-Day Forecast

Tregarth on the map

Tregarth is highlighted - select any city to see its climate.

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Where to go in July - average daytime high across popular destinations.

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