Average

Here's the difference in temperature averages between where I grew up (Southend on Sea, Essex, UK) and here (Ottawa, Ontario, Canada):

Lowest low average: Southend = 4 degrees C in February; Ottawa = -14 degrees C in January

Highest high average: Southend = 21 degrees C in August; Ottawa = 26 degrees C in July.

Southend difference: 17 degrees C. Ottawa: 40 degrees C.

Crikey.

Info from here and here (with pretty graphs).