Boston is the hard mode, and she's OK with Philly?
Boston population (roughly): 7,600,000, crime index (out of 100): 76.8. The hottest month is July, with a mean temperature of 73.4 °F. The coldest month is January, with a mean of 29.0 °F. The city averages 43.8 inches of precipitation a year, with 43.8 inches of snowfall per season.
Philly population (roughly): 7,146,706, crime index (out of 100): 86.5. The January daily average is 33.0 °F though, in a normal winter, the temperature frequently rises to 50 °F during thaws and dips to 10 °F. July averages 78.1 °F. Snowfall is highly variable, with some winters bringing only light snow and others bringing several major snowstorms, with the normal seasonal snowfall standing at 22.4 in. Precipitation is generally spread throughout the year, at an average annual rate of 41.5 inches.