Because July is winter and January is summer in the southern hemisphere
New York typically experiences colder winters than Sydney due to its temperate climate, with average winter temperatures ranging from about 26°F to 39°F (-3°C to 4°C) compared to Sydney's milder winter temperatures, which generally range from 46°F to 61°F (8°C to 16°C). Overall, New York can be significantly colder, especially during the winter months, by an average of 20°F to 30°F (10°C to 15°C). However, summer temperatures in New York can also be quite hot, making the seasonal temperature differences quite pronounced.
Seasonal temperatures are particular to specific geographical regions of the earth. The average January temperature in New York will be much different than that of Phoenix Arizona, or Sydney, Australia where January is a summer month.
Because of the distance from the equator and the tropic of capricorn. Sydney is closer to both of them, therefore affecting both city's temperatures.
Sydney Chapman was born on January 29, 1888.
Sydney Chapman was born on January 29, 1888.
Sydney Brenner was born on January 13, 1927.
Sydney Brenner was born on January 13, 1927.
Sydney Biddle Barrows was born on January 14, 1952.
Sydney was colonised with the arrival of the First Fleet on 26 January 1788.
Sydney Biddle Barrows was born on January 14, 1952.
Sydney Rose was born on January 10, 1939, in England, UK.
Sydney Greenstreet died on January 18, 1954 at the age of 74.