Llanfflewyn Weather & Climate: Best Time to Visit

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

Climate overview of Llanfflewyn

Temperatures in Llanfflewyn, Gwynedd, United Kingdom, shift moderately through the seasons. The warmest month is August at 19°C (66°F), and the coolest is February at 10°C (50°F).

Rainfall is high, totalling around 1055 mm (42 in) per year. November is the wettest month and May the driest.

Llanfflewyn Weather by Month

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

Monthly Temperature in Llanfflewyn

The climate in Llanfflewyn experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a pleasant 19°C (66°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like February.

At night, you can expect temperatures ranging from 14°C (57°F) in August to around 5°C (41°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Llanfflewyn

Llanfflewyn has a notably wet climate with abundant precipitation, recording 1055 mm (42 in) of rainfall per year. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 122 mm (4.8 in) of precipitation, spread over 20 rainy days.

In contrast, the driest month May experiences a drier climate, with about 65 mm (2.6 in) of rainfall spread across 15 rainy days. For more details, please visit our Llanfflewyn Precipitation page.

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

Best Time to Visit Llanfflewyn

The most comfortable overall weather for exploring Llanfflewyn is usually found in July, August and September. Conditions are generally least comfortable in January, February, 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, August and September
  • Warmest weather: July, August and September

Frequently asked questions about the climate in Llanfflewyn

What is the best time to visit Llanfflewyn?

July, August and September typically offer the most optimal weather in Llanfflewyn. In contrast, January, February, November and December tend to have less optimal conditions.

What temperatures can I expect in Llanfflewyn?

Daytime highs range from 10°C (50°F) in February to 19°C (66°F) in August. Nighttime lows range from 5°C (41°F) to 14°C (57°F).

How much rain does Llanfflewyn get?

Annual rainfall is around 1055 mm (42 in). November is the wettest month with 122 mm (4.8 in), while May is the driest with 65 mm (2.6 in).

Llanfflewyn 3-Day Forecast

Llanfflewyn on the map

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