Normally the average weather in Mountain Ash throughout December is 7 with a general average high of 8 and low being 3 degrees. For more context we have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 8 |
| Low Temperature | 3 |
Mountain Ash, UK Weather in December FAQs
What is the weather like?
You should expect to see 7 degrees on average
What is the weather like during summer?
On average the summer weather is about 19 degrees celsius.
What is the average weather in winter?
On average winter weather is roughly 8 celsius.
Useful Links: Mountain Ash Weather: Average Weather & Yearly Climate