Final answer:
The month that typically falls in winter in Canada is December, which is the beginning of the meteorological winter season that also includes January and February.
Step-by-step explanation:
The month that generally falls in el invierno (the winter) in Canada is December, which is option 1. However, winter in Canada includes multiple months as it extends beyond December. January (option 2), February (option 3), and even early March (option 4) are also considered winter months in Canada. Specifically, in terms of meteorological winter, it includes December, January, and February. Astronomically speaking, winter begins with the winter solstice towards the end of December and continues until the spring equinox in March.