The seasons - what do we know?
Physics Narrative for 11-14
A European view of the temperatures over the year
The monthly average temperatures (both the monthly low and the monthly high) vary over the year. At the beginning and the end of the year, the temperatures are low. In the middle of the year, the temperatures are high.
An antipodean view of the temperatures over the year
In the southern hemisphere this pattern is reversed: at the beginning and the end of the year the temperatures are high, and in the middle of the year the temperatures are low.
This is what we know.
Now why is there this annual variation in the average temperatures?