Final answer:
The average monthly temperature in Edinburgh is 4. 10°C, reflecting its temperate maritime climate with generally mild weather year-round.
Step-by-step explanation:
The average monthly temperature in Edinburgh is neither extremely cold nor extremely hot. The correct answer from the provided options is 4. 10°C.
Edinburgh has a temperate maritime climate, meaning it typically experiences mild weather throughout the year. While it can be quite chilly in winter with possible snowfall, and warmer during summer, the temperature is generally moderate compared to other locations at similar latitudes.