Best time to visit Swansea

Find the best time to visit Swansea and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Swansea by month

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

Recommended for Wales

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When is the best time to visit Swansea?

The best time to visit Swansea is 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 Swansea7
    Jan
  • 7°C maximum daytime temperature in February in Swansea7
    Feb
  • 9°C maximum daytime temperature in March in Swansea9
    Mar
  • 12°C maximum daytime temperature in April in Swansea12
    Apr
  • 15°C maximum daytime temperature in May in Swansea15
    May
  • 18°C maximum daytime temperature in June in Swansea18
    Jun
  • 20°C maximum daytime temperature in July in Swansea20
    Jul
  • 20°C maximum daytime temperature in August in Swansea20
    Aug
  • 17°C maximum daytime temperature in September in Swansea17
    Sep
  • 14°C maximum daytime temperature in October in Swansea14
    Oct
  • 11°C maximum daytime temperature in November in Swansea11
    Nov
  • 8°C maximum daytime temperature in December in Swansea8
    Dec

Hours of Sunshine (daily)

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

Which is the hottest month in Swansea?

The hottest time of year in Swansea is normally July. Expect maximum daytime temperatures to reach 20°C.

Which month has the most rain in Swansea?

In terms of rainfall, December is usually the wettest month in Swansea with 140mm on average. There are normally 20 days in December with some rain.

When is it sunniest in Swansea?

The sunniest time of year in Swansea is normally May with bright sunshine on average for 41% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Swansea?

The sea is usually at its warmest in Swansea in August when the water temperature reaches 18°C.

Best time to visit

The weather guide for Wales (Swansea) 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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