Typically, the average weather in Heathrow during the time of July is 7. High temperatures are around 13 degrees with a low of 5 degrees. With the details being further below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 13 |
| Low Temperature | 5 |
| Sunshine Per Day | 6 |
Useful Links: Heathrow Weather: Average Weather & Yearly Climate