Best time to visit Porthmadog

Find the best time to visit Porthmadog and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Porthmadog by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Porthmadog?

The best time to visit Porthmadog is June, July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 7°C maximum daytime temperature in January in Porthmadog7
    Jan
  • 7°C maximum daytime temperature in February in Porthmadog7
    Feb
  • 8°C maximum daytime temperature in March in Porthmadog8
    Mar
  • 11°C maximum daytime temperature in April in Porthmadog11
    Apr
  • 14°C maximum daytime temperature in May in Porthmadog14
    May
  • 17°C maximum daytime temperature in June in Porthmadog17
    Jun
  • 18°C maximum daytime temperature in July in Porthmadog18
    Jul
  • 18°C maximum daytime temperature in August in Porthmadog18
    Aug
  • 16°C maximum daytime temperature in September in Porthmadog16
    Sep
  • 13°C maximum daytime temperature in October in Porthmadog13
    Oct
  • 9°C maximum daytime temperature in November in Porthmadog9
    Nov
  • 8°C maximum daytime temperature in December in Porthmadog8
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Best time to visit

The weather guide for Wales (Porthmadog) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in Porthmadog?

The hottest time of year in Porthmadog is normally July. Expect maximum daytime temperatures to reach 18°C.

Which month has the most rain in Porthmadog?

In terms of rainfall, December is usually the wettest month in Porthmadog with 202mm on average. There are normally 20 days in December with some rain.

When is it sunniest in Porthmadog?

The sunniest time of year in Porthmadog is normally May with bright sunshine on average for 38% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Porthmadog?

The sea is usually at its warmest in Porthmadog in August when the water temperature reaches 17°C.

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