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Swansea Weather in December
December in Swansea brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.
Rainfall in Swansea in December
Expect around 13 days of rain based on historical data, with 61 mm (2.4 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Swansea in December
Expect highs of 19°C (66°F) in Swansea in December, with nights dropping to around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.If you prefer enjoying temperate temperatures and rain-free days, January, February and March typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Swansea Temperature in December
Min Temperature
11°C (52°F)
Max Temperature
19°C (66°F)
Chance of Rain
42%
Precipitation
61 mm (2.4 in)
Rainy days
13 days
Swansea Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Swansea - and find the best time to visit.
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Swansea in December
For Swansea in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Swansea in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Swansea 3-Day Forecast
More climate data for Swansea
See the full Swansea climate overview or explore weather in Australia.
Popular in December
Where to go in December - average daytime high across popular destinations.
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