Here's a breakdown:
* Average Winter Temperatures: -20°F to -40°F (-29°C to -40°C)
* Extreme Winter Temperatures: -70°F (-57°C) or lower
* Summer Temperatures: 30°F to 50°F (-1°C to 10°C)
Keep in mind that these are just averages, and the actual temperature can vary greatly depending on the specific location and time of year.