Best time to visit Caernarfon

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

Caernarfon by month

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

Recommended for Wales

  • Save EXTRA £50 on UK breaks with Luxury Cottages
  • No minimum stay. Book online with exclusive discount code
  • Offer cannot be combined with other promotions
Show discount codeShow discount code ******C50

Expires at 23:59 on Tuesday 31st Dec 2024 · View all Luxury Cottages offers

Luxury CottagesUK holiday finder

When is the best time to visit Caernarfon?

The best time to visit Caernarfon is July based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

Change criteria

Max Day Temperature (°F)

  • 45°F maximum daytime temperature in January in Caernarfon45
    Jan
  • 45°F maximum daytime temperature in February in Caernarfon45
    Feb
  • 46°F maximum daytime temperature in March in Caernarfon46
    Mar
  • 52°F maximum daytime temperature in April in Caernarfon52
    Apr
  • 57°F maximum daytime temperature in May in Caernarfon57
    May
  • 63°F maximum daytime temperature in June in Caernarfon63
    Jun
  • 64°F maximum daytime temperature in July in Caernarfon64
    Jul
  • 64°F maximum daytime temperature in August in Caernarfon64
    Aug
  • 61°F maximum daytime temperature in September in Caernarfon61
    Sep
  • 57°F maximum daytime temperature in October in Caernarfon57
    Oct
  • 50°F maximum daytime temperature in November in Caernarfon50
    Nov
  • 46°F maximum daytime temperature in December in Caernarfon46
    Dec

Hours of Sunshine (daily)

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

Which is the hottest month in Caernarfon?

The hottest time of year in Caernarfon is normally July. Expect maximum daytime temperatures to reach 64°F.

Which month has the most rain in Caernarfon?

In terms of rainfall, December is usually the wettest month in Caernarfon with 7.2 inches on average. There are normally 20 days in December with some rain.

When is it sunniest in Caernarfon?

The sunniest time of year in Caernarfon is normally May with bright sunshine on average for 40% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Caernarfon?

The sea is usually at its warmest in Caernarfon in August when the water temperature reaches 61°F.

Best time to visit

The weather guide for Wales (Caernarfon) 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)  |  Imperial (°F)

Back to top

Wales travel features

Do you want to learn more about Wales? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Wales.

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Back to Holiday Weather Top ^