Normally the average weather in Heathrow right through the month of December is 7. High average temperature is 8 and average daily low being 4 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 8 |
| Low Temperature | 4 |
| Sunshine Per Day | 2 |
Heathrow, UK Weather in December FAQs
What’s the weather looking like?
Typically you will see 7 degrees celsius
Generally what are the summer months like?
The daily average temperature in summer is 19 celsius.
What is the average weather in winter?
The weather in winter is about 7 celsius.
Useful Links: Heathrow Weather: Average Weather & Yearly Climate