On Thursday, May 5, 2016 at 12:10:13 PM UTC+1, oriel36 wrote:

If the Earth's inclination was 0° inclination or an Equatorial climate then the temperature graph for London would show a flat line across the year

Wrong as usual: the elliptical shape of the Earth's orbit means that the Earth receives 7% more energy from the Sun around Jan 4th vs. July 4th.