Tywyn Weather in December

December in Tywyn brings low temperatures around 9°C (48°F) during the day, dropping to 4°C (39°F) at night, with the most rainfall of the year.

Rainfall in Tywyn in December

Prepare for the heaviest rain of the year this month, which often comes in heavy showers. A poncho is a smart choice to stay dry. Past climate data indicates that roughly 21 days will see rain, totalling around 159 mm (6.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Tywyn in December

Tywyn in December gets highs of 9°C (48°F) during the day and drops to 4°C (39°F) at night. The winter season takes place during December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Tywyn in December

The month is characterized by fewer sunny days, with roughly 26 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Tywyn. Our weather planner can help you explore destinations with more pleasant weather conditions.