Cwm-y-glo Weather in December

Cwm-y-glo in December sees low daytime temperatures of 9°C (48°F) and nighttime lows of 4°C (39°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Cwm-y-glo in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Climate statistics over the past 30 years suggest around 21 days of rain, with 139 mm (5.5 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Cwm-y-glo in December

If you're visiting Cwm-y-glo in December, expect highs of 9°C (48°F) and overnight lows around 4°C (39°F). December marks the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Cwm-y-glo in December

The month has fewer sunny days, with around 26 hours of sunshine.

December in Cwm-y-glo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.